Fluke 6102 User manual

6102
Micro-Bath
User’s Guide
January 2013
© 2013 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
PN 3729224
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LIMITED WARRANTY AND LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and workmanship under normal use and
service. The warranty period is one year and begins on the date of shipment. Parts, product repairs, and
services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of
a Fluke authorized reseller, and does not apply to fuses, disposable batteries, or to any product which, in
Fluke's opinion, has been misused, altered, neglected, contaminated, or damaged by accident or abnormal
conditions of operation or handling. Fluke warrants that software will operate substantially in accordance
with its functional specifications for 90 days and that it has been properly recorded on non-defective media.
Fluke does not warrant that software will be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers
only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is
available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the
applicable international price. Fluke reserves the right to invoice Buyer for importation costs of
repair/replacement parts when product purchased in one country is submitted for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair,
or replacement of a defective product which is returned to a Fluke authorized service center within the
warranty period.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain return
authorization information, then send the product to that service center, with a description of the difficulty,
postage and insurance prepaid (FOB Destination). Fluke assumes no risk for damage in transit. Following
warranty repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke
determines that failure was caused by neglect, misuse, contamination, alteration, accident, or abnormal
condition of operation or handling, including overvoltage failures caused by use outside the product’s
specified rating, or normal wear and tear of mechanical components, Fluke will provide an estimate of repair
costs and obtain authorization before commencing the work. Following repair, the product will be returned to
the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges
(FOB Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE
FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR LOSSES,
INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or
limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not
apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court or other
decision-maker of competent jurisdiction, such holding will not affect the validity or enforceability of any other
provision.
11/99
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iii
Table of Contents
1 Before You Start .......................................................................1
1.1 Symbols Used........................................................................................... 1
1.2 Safety Information .................................................................................... 2
1.2.1 Warnings .........................................................................................................2
1.2.2 Cautions ..........................................................................................................4
1.3 Authorized Service Centers ..................................................................... 5
2 Introduction .............................................................................7
3 Specications and Environmental Conditions......................9
3.1 Specifications ........................................................................................... 9
3.2 Environmental Conditions ......................................................................... 9
4 Quick Start.............................................................................. 11
4.1 Unpacking .............................................................................................. 11
4.2 Setup ...................................................................................................... 11
4.3 Power ..................................................................................................... 12
4.4 Setting the Temperature ......................................................................... 12
5 Installation .............................................................................13
5.1 Bath Environment ................................................................................... 13
5.2 “Dry-out” Period ..................................................................................... 13
5.3 Bath Preparation and Filling ................................................................... 13
5.4 Power ..................................................................................................... 14
6 Bath Use .................................................................................15
6.1 General .................................................................................................. 15
6.2 Comparison Calibration ......................................................................... 15
6.3 Calibration of Multiple Probes................................................................. 16
7 Parts and Controls ................................................................17
7.1 Back and Bottom Panel .......................................................................... 17
7.2 Front Panel.............................................................................................. 18
7.3 Accessories ........................................................................................... 19
7.3.1 Transport/Pour Lid ........................................................................................19
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7.3.2 Access Cover (Optional) ..............................................................................19
7.3.3 Probe Basket ................................................................................................19
7.3.4 Stir Bar ..........................................................................................................20
7.3.5 Tank Extender (Optional) ..............................................................................20
8 General Operation..................................................................21
8.1 Switching to 230V Operation .................................................................. 21
8.2 Bath Fluid ............................................................................................... 21
8.2.1 Temperature Range.......................................................................................21
8.2.2 Viscosity ........................................................................................................22
8.2.3 Specific Heat.................................................................................................22
8.2.4 Thermal Conductivity ....................................................................................22
8.2.5 Thermal Expansion........................................................................................22
8.2.6 Electrical Resistivity.......................................................................................22
8.2.7 Fluid Lifetime .................................................................................................23
8.2.8 Safety ............................................................................................................23
8.2.9 Cost ...............................................................................................................23
8.2.10 Commonly Used Fluids .................................................................................23
8.2.10.1 Water (Distilled) ................................................................................................... 24
8.2.10.2 Mineral Oil ............................................................................................................ 24
8.2.10.3 Silicone Oil (Dow Corning 200.10, 200.20) .......................................................... 24
8.2.11 Fluid Characteristics Charts..........................................................................24
8.2.11.1 Limitations and Disclaimer .................................................................................. 25
8.2.11.2 About the Graph .................................................................................................. 26
8.3 Stirring .................................................................................................... 27
8.4 Power ...................................................................................................... 28
8.5 Heater ..................................................................................................... 28
8.6 Fluid Drain............................................................................................... 28
8.7 Temperature Controller .......................................................................... 28
9 Controller Operation..............................................................31
9.1 Well Temperature ................................................................................... 31
9.2 Temperature Set-point ........................................................................... 31
9.2.1 Programmable Set-points ............................................................................31
9.2.2 Set-point Value .............................................................................................33
9.2.3 Temperature Scale Units ..............................................................................33
9.3 Scan ....................................................................................................... 34
9.3.1 Scan Control .................................................................................................34
9.3.2 Scan Rate .....................................................................................................34
9.4 Temperature Display Hold ..................................................................... 35
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9.4.1 Hold Temperature Display ............................................................................35
9.4.2 Mode Setting ................................................................................................35
9.4.3 Switch Wiring ................................................................................................36
9.4.4 Switch Test Example ....................................................................................36
9.5 Secondary Menu .................................................................................... 36
9.6 Heater Power .......................................................................................... 37
9.7 Proportional Band .................................................................................. 37
9.8 Cutout .................................................................................................... 38
9.9 Controller Configuration.......................................................................... 39
9.10 Operating Parameters ............................................................................ 39
9.10.1 Stir Speed......................................................................................................39
9.10.2 High Limit .....................................................................................................40
9.10.3 Cutout Reset Mode .......................................................................................40
9.11 Serial Interface Parameters ................................................................... 41
9.11.1 BAUD Rate ....................................................................................................41
9.11.2 Sample Period...............................................................................................41
9.11.3 Duplex Mode.................................................................................................42
9.11.4 Linefeed .......................................................................................................42
9.12 Calibration Parameters ........................................................................... 43
9.12.1 R0 .................................................................................................................43
9.12.2 ALPHA ..........................................................................................................43
9.12.3 DELTA ...........................................................................................................43
9.12.4 C0 and CG ....................................................................................................44
9.12.5 rCAL ..............................................................................................................44
10 Digital Communication Interface..........................................45
10.1 Serial Communications .......................................................................... 45
10.1.1 Wiring ...........................................................................................................45
10.1.2 Setup ............................................................................................................45
10.1.2.1 Baud Rate ........................................................................................................... 46
10.1.2.2 Sample Period ...................................................................................................... 46
10.1.2.3 Duplex Mode ........................................................................................................ 46
10.1.2.4 Linefeed................................................................................................................ 46
10.1.3 Serial Operation ............................................................................................46
10.2 Interface Commands .............................................................................. 47
11 Test Probe Calibration ...........................................................49
11.1 Calibrating a Single Probe ..................................................................... 49
11.2 Stabilization and Accuracy .................................................................... 49
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vi
11.3 Multiple Probe Calibration ..................................................................... 49
12 Calibration Procedure ...........................................................51
12.1 Calibration Points ................................................................................... 51
12.2 Calibration Procedure ............................................................................ 51
12.2.1 Compute DELTA ...........................................................................................52
12.2.2 Compute R0 & ALPHA ..................................................................................52
12.2.3 Accuracy & Repeatability .............................................................................53
13 Maintenance ...........................................................................55
14 Troubleshooting .....................................................................57
14.1 Troubleshooting Problems, Possible Causes, and Solutions ................. 57
14.2 CE Comments......................................................................................... 58
14.2.1 EMC Directive ...............................................................................................58
14.2.2 Low Voltage Directive (Safety) ......................................................................58
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vii
Tables
Table 1 International Electrical Symbols ........................................................... 1
Table 2 Specifications ....................................................................................... 9
Table 3 Table of Various Bath Fluids ............................................................... 25
Table 4 Nominal Stirrer Motor Settings With Different Liquids ........................ 28
Table 5 Controller Communications Commands ............................................. 48
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viii
Figures
Figure 1 6102 Back Panel and Bottom ............................................................ 17
Figure 2 6102 Front Panel................................................................................ 18
Figure 3 Bath Lids and Lid Parts ..................................................................... 19
Figure 4 Probe Basket ..................................................................................... 20
Figure 5 Stir Bar ............................................................................................... 20
Figure 6 Chart of Various Bath Fluids ............................................................. 26
Figure 7 Controller Operation Flowchart ......................................................... 32
Figure 8 Serial Cable Wiring ........................................................................... 45
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1
Before You Start
Symbols Used
Before You Start1
Symbols Used1.1
Table 1 lists the International Electrical Symbols. Some or all of these symbols may be
used on the instrument or in this manual.
Table 1 International Electrical Symbols
Symbol Description
AC (Alternating Current)
AC-DC
Battery
CE
DC
Double Insulated
Electric Shock
Fuse
PE Ground
Hot Surface (Burn Hazard)
Read the User’s Guide (Important Information)
Off
On
Canadian Standards Association
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6102 Micro-Bath User’s Guide
Safety Information
2
Symbol Description
C-TICK Australian EMC mark
The European Waste Electrical and Electronic Equipment (WEEE) Directive (2002/96/
EC) mark.
OVERVOLTAGE (Installation) CATEGORY II, Pollution Degree 2 per IEC1010-1 refers to
the level of Impulse Withstand Voltage protection provided. Equipment of OVERVOLTAGE
CATEGORY II is energy-consuming equipment to be supplied from the xed installation.
Examples include household, office, and laboratory appliances.
Safety Information1.2
Use this instrument only as specified in this manual. Otherwise, the protection
provided by the instrument may be impaired.
The following definitions apply to the terms “Warning” and “Caution”.
“Warning” identifies conditions and actions that may pose hazards to the user.
L
“Caution” identifies conditions and actions that may damage the instrument
L
being used.
Warnings1.2.1
To avoid personal injury, follow these guidelines.
GENERAL
DO NOT use the instrument for any application other than calibration work. The
instrument was designed for temperature calibration. Any other use of the unit may
cause unknown hazards to the user.
DO NOT overfill the bath. Overflowing extremely cold or hot fluid may be harmful to
the operator. See Section 5.3, Bath Preparation and Filling, for specific instructions.
DO NOT install access cover without holes onto a bath that is energized. Dangerous
pressures may result from fluids vaporizing.
Calibration Equipment should only be used by Trained Personnel.
If this equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
Before initial use, or after transport, or after storage in humid or semi-humid
environments, or anytime the instrument has not been energized for more than 10
days, the instrument needs to be energized for a “dry-out” period of 2 hours before
it can be assumed to meet all of the safety requirements of the IEC 61010-1. If the
product is wet or has been in a wet environment, take necessary measures to remove
moisture prior to applying power such as storage in a low humidity temperature
chamber operating at 50°C for 4 hours or more.
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3
Before You Start
Safety Information
Overhead clearance is required. Do not place the instrument under a cabinet or other
structure. Always leave enough clearance to allow for safe and easy insertion and
removal of probes.
The instrument is intended for indoor use only.
DO NOT use the unit in environments other than those listed in the user’s guide.
DO NOT carry the unit without the transport lid in place and properly secured.
Thoroughly wipe the inside of the well dry when changing fluids as some high
temperature fluids react violently to water or other liquid mediums.
Use of this instrument at HIGH TEMPERATURES for extended periods of time
requires caution.
Completely unattended high temperature operation in not recommended.
BURN HAZARD
High temperatures may be present in this equipment. Fires and severe burns may result
if personnel fail to observe safety precautions.
DO NOT mix water and oil when exceeding temperatures of 90°C (194°F).
ELECTRICAL HAZARD
These guidelines must be followed to ensure that the safety mechanisms in this
instrument will operate properly. This instrument must be plugged into an AC only
electric outlet as listed in Section 3.1, Specifications. The power cord of the instrument
is equipped with a three-pronged grounding plug for your protection against electrical
shock hazards. It must be plugged directly into a properly grounded three-prong
receptacle. The receptacle must be installed in accordance with local codes and
ordinances. DO NOT use an extension cord or adapter plug.
DO use a ground fault interrupt device. This unit contains a liquid.A ground fault
device is advised in case liquid is present in the electrical system and could cause an
electrical shock.
Always replace the power cord with an approved cord of the correct rating and type. If
you have questions, contact an Authorized Service Center (see Section 1.3).
High voltage is used in the operation of this equipment. Severe injury or death may
result if personnel fail to observe the safety precautions. Before working inside the
equipment, turn off the power and disconnect the power cord.
DO NOT connect this unit to a non-grounded, non-polarized outlet.
Always replace the fuse with one of the same rating, voltage, and type.
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6102 Micro-Bath User’s Guide
Safety Information
4
BATH FLUIDS
Fluids used in this unit may produce noxious or toxic fumes under certain
circumstances. Consult the fluid manufacturer’s MSDS (Material Safety Data Sheet).
Proper ventilation and safety precautions must be observed.
The unit is equipped with a soft cutout (user settable firmware) and a hard cutout.
Check the flash point, boiling point, or other fluid characteristic applicable to the
circumstances of the unit operation. Ensure that the soft cutout is adjusted to the fluid
characteristics of the application. DO NOT exceed the boiling or flash temperatures of
the fluid being used.
Cautions1.2.2
DO NOT overfill the bath. Overflowing liquid may damage the electrical system. Be
sure to allow for thermal expansion of the fluid as the bath temperature increases. See
Section 5.3, Bath Preparation and Filling, for specific instructions.
Read Section 6, Bath Use, before placing the unit into service.
DO NOT change the values of the bath calibration constants from the factory set
values. The correct setting of these parameters is important to the safety and proper
operation of the unit.
The Factory Reset Sequence should be performed only by authorized personnel if
no other action is successful in correcting a malfunction. You must have a copy of the
most recent Report of Test to restore the test parameters.
Most probes have handle temperature limits. Be sure that the probe handle temperature
limit is not exceeded in the air above the instrument.
The instrument and any thermometer probes used with it are sensitive instruments that
can be easily damaged. Always handle these devices with care. Do not allow them to
be dropped, struck, stressed, or overheated.
Operate the instrument in room temperatures as listed in Section 3.2, Environmental
Conditions. Allow sufficient air circulation by leaving at least 6 inches of space be-
tween the instrument and nearby objects.
Overhead clearance needs to allow for safe and easy insertion and removal of probes
for calibration.
Use only clean fluid with the instrument.
The Micro-Bath is a precision instrument. Although it has been designed for optimum
durability and trouble free operation, it must be handled with care. Always carry the
unit in an upright position to prevent the liquid from spilling out. The convenient
fold-up handle allows one hand carrying. The instrument should not be operated in
excessively wet, oily, dusty, or dirty environments. It is important to keep the well of
the instrument clean and clear of any foreign matter. Do not operate near flammable
materials.
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5
Before You Start
Authorized Service Centers
If a mains supply power fluctuation occurs, immediately turn off the instrument.
Power bumps from brown-outs and black-outs could damage the instrument. Wait
until the power has stabilized before re-energizing the instrument.
Components and heater lifetime can be shortened by continuous high temperature
operation.
DO NOT operate the instrument without fluid.
The input voltage and heater voltage switch settings must always be set to the same
value.
1.3 Authorized Service Centers
Please contact one of the following authorized Service Centers to coordinate service
on your Hart product.
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6102 Micro-Bath User’s Guide
Authorized Service Centers
6
When contacting these Service Centers for support, please have the following
information available:
Model Number
L
Serial Number
L
Voltage
L
Complete description of the problem
L
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7
Introduction
Introduction2
The Hart Scientific 6102 Micro-Bath may be used as a portable instrument or bench
top temperature calibrator for calibrating thermocouple and RTD temperature probes.
The 6102 is small enough to use in the field, and accurate enough to use in the lab.
Calibrations may be done over a range of 35°C to 200°C (95°F to 392°F). The
resolution of the 6102 temperature display is 0.01 degrees.
The Micro-Bath calibrator features:
Convenient handle
L
RS-232 interface
L
Switchable AC Input (115 VAC or 230 VAC)
L
Built in programmable features include:
Temperature scan rate control
L
Temperature switch hold
L
Eight Set-point memory
L
Adjustable readout in °C or °F
L
The temperature is accurately controlled by Hart’s digital controller. The controller
uses a precision platinum RTD as a sensor and controls the well temperature with a
solid state relay (triac) driven heater.
The LED front panel continuously shows the current well temperature. The
temperature may be easily set with the control buttons to any desired temperature
within the specified range. The calibrator’s multiple fault protection devices insure
user and instrument safety and protection.
The 6102 Micro-Bath was designed for portability, low cost, and ease of operation.
Through proper use, the instrument will continuously provide accurate calibration
of temperature sensors and devices. The user should be familiar with the safety
guidelines and operating procedures of the calibrator as described in the instruction
manual.
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9
Specications and Environmental Conditions
Specications
Specications and Environmental Conditions3
3.1 Specications
The 6102 may not meet the specification published if a different fluid is used other
than distilled water or Dow Corning (200.10, 200.20) oil.
Do not exceed the boiling point or flash point temperatures of the fluid. To ensure that
the boiling and flash point temperatures are not exceeded adjust the High Limit and
Cutout parameters. To set these parameters, refer to Section 9, Controller Operation.
SpecificationsTable 2
Range 35 to 200°C (95 to 392°F)
Accuracy ±0.25°C
Stability ±0.02°C at 100°C
±0.03°C at 200°C
Uniformity ±0.02°C
Resolution 0.01°C/F
Operating Temperature 5 to 45°C (41 to 113°F)
Heating Time 25°C to 200°C: 40 minutes
Cooling Time 200°C to 100°C: 35 minutes
Well Size 1.9" dia. x 5.5" deep (48 x 139 mm)
Size 5.5" W x 10.38" H x 8" D (14 x 26 x 20 cm)
Weight 10 lb. (4.5 kg) with uid
Power 115 VAC (±10%), 12.3 A, or 230 VAC (±10%), 1.1 A, switchable, 50/60 Hz,
270 W
System Fuse 115 V: 250 V, 3A, F
230 V: 250 V, 1.6A, F
Safety Overvoltage (Installation) Category II, Pollution Degree 2 per IEC 61010-01
3.2 Environmental Conditions
Although the instrument has been designed for optimum durability and trouble-free
operation, it must be handled with care. The instrument should not be operated in an
excessively dusty or dirty environment. Maintenance and cleaning recommendations
can be found in the Maintenance Section of this manual.
The instrument operates safely under the following conditions:
ambient temperature range: 5 – 45°C (41 – 113°F)
L
ambient relative humidity: maximum 80% for temperature <31°C, decreasing
L
linearly to 50% at 40°C
mains voltage within ± 10% of nominal
L
vibrations in the calibration environment should be minimized
L
altitudes less than 2,000 meters
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11
Quick Start
Unpacking
Quick Start4
Caution: READ SECTION 6 ENTITLED BATH USE before placing the bath in
service. Incorrect handling can damage the bath and void the warranty.
4.1 Unpacking
Unpack the Micro-Bath carefully and inspect it for any damage that may have
occurred during shipment. If there is shipping damage, notify the carrier immediately.
Verify that the following components are present:
6102 Micro-Bath
L
Transport/Pour Lid
L
Probe Basket
L
Stir Bar
L
Power Cord
L
User’s Guide
L
Report of Calibration
L
Calibration Label
L
RS-232 Cable
L
9930 Interface-
L it Software
Access Cover (optional)
L
Extender, perf-cage, wrench (optional)
L
Setup4.2
Place the calibrator on a flat surface with at least 6 inches of free space around the
instrument. Plug the power cord into a grounded mains outlet. Observe that the
nominal voltage corresponds to that indicated on the back of the calibrator.
Carefully insert the probe basket into the tank. Fill the tank with the appropriate fluid.
The set-point temperature and the number of and size of probes determine the fluid
level. Be sure to keep the fluid level an adequate distance below the top of the well
to prevent overflowing the fluid when the probes are inserted. For example, placing
200.20 oil at room temperature (25°C) into the bath and heating the unit to 200°C,
causes a 1-inch (2.54 cm) expansion of the fluid inside the well.
Keep the fluid level at least 0.64 cm (0.25 inches) below the top of the probe basket
at all times. With the probe (probes) in the tank fill the tank 3/4 full. Heat to the
maximum temperature of the fluid. Slowly fill the well to 1.3 cm (.5 inch) below the
top of the probe basket at the maximum temperature of the fluid.
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6102 Micro-Bath User’s Guide
Power
12
Turn on the power to the calibrator by toggling the switch on the power entry module.
The fan should begin blowing air through the instrument and the controller display
should illuminate after 3 seconds. After a brief self test the controller should begin
normal operation. If the unit fails to operate please check the power connection.
The display will begin to show the fluid temperature and the tank heater will start
operating to bring the temperature of the fluid to the set-point temperature. Insure that
the fluid is being stirred.
Power4.3
Plug the Micro-Bath power cord into a mains outlet of the proper voltage, frequency,
and current capability. Refer to Section 3.1, Specifications, for power details. Turn the
bath on using the rear panel “POWER” switch. The Micro-Bath will turn on and begin
to heat to the previously programmed temperature set-point. The front panel LED
display will indicate the actual bath temperature.
Setting the Temperature4.4
Section 9.2 explains in detail how to set the temperature set-point on the calibrator
using the front panel keys. The procedure is summarized here.
Press “SET” twice to access the set-point value.1.
Press “UP” or “DOWN” to change the set-point value.2.
Press “SET” to store the new set-point.3.
Press and hold “EXIT” to return to the temperature display.4.
When the set-point temperature is changed the controller switches the tank heater on
or off to raise or lower the temperature. The displayed temperature gradually changes
until it reaches the set-point temperature. The 6102 may require 25 minutes to reach
the set-point depending on the span. Another 10 to 15 minutes is required to stabilize
within ±0.03°C of the set-point. Ultimate stability may take 20 to 30 minutes more of
stabilization time.
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