Sensidyne gilian gilibrator 2 Installation and operating instructions
850190M Rev T Page 3
PACKING LIST
The following are shipped with the Gilian Gilibrator 2 Calibration System Standard Kits:
•
Control Unit Base
•
Flow Cell Assembly
(High Flow, Standard Flow, Low Flow, or all three)
•
AC USB Charger with international blade kit
•
USB A/B cable
•
Tubing
•
Small Carrying Case
•
Soap Solution & Dispenser
•
CalibrationCertificate
•
Operation and Service Manual
ALWAYS check to make certain you have received all of the
items listed above.
If you have any questions or need assistance, contact your
Sensidyne Sales Representative, or call
(800) 451-9444
OR
(727) 530-3602
Page 4 850190M Rev T
PROPRIETARY NOTICE
This manual was prepared by Sensidyne, LP exclusively for the owner of the Gilian Gilibrator 2 Calibration
System. The material within this manual is the proprietary information of Sensidyne, LP and is to be used only
to understand, operate, and service the instrument. By receiving this document, the recipient agrees that
neither this document nor the information disclosed within nor any part shall be reproduced or transferred,
physically, electronically or in any form or used or dis- closed to others for manufacturing or for any other
purpose except as specifically authorized in writing by Sensidyne, LP.
COPYRIGHT NOTICE
© 2005, © 2008, © 2020 Sensidyne, LP. All rights reserved. Information contained in this document is protected
by copyright. No part of this document may be photocopied, reproduced, or translated to another program or
system without prior written authorization from Sensidyne, LP.
TRADEMARK NOTICE
Sensidyne, the Sensidyne logo, Gilian, and the Gilian logo are registered trademarks of Sensidyne, LPGilibrator
2 andthe Gilibrator2logo aretrademarksof Sensidyne,LP.ThetrademarksandservicemarksofSensidyne,LP
areprotected through use and registration in the United States.
DISCLAIMER
SENSIDYNE, LP ASSUMES NO RESPONSIBILITY WHATSOEVER, TO ANY PARTY WHOSOEVER, FOR
ANY PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH RECEIVED BY OR RESULTING FROM, IN
WHOLE, OR IN PART, THE IMPROPER USE, INSTALLATION, OR STORAGE OF THIS PRODUCT BY THE
USER, PERSON, FIRM, ENTITY, CORPORATION OR PARTY NOT ADHERING TO THE INSTRUCTIONS
AND WARNINGS OR NOT ADHERING TO ALL FEDERAL, STATE, AND LOCAL ENVIRONMENTAL AND
OCCUPATIONAL HEALTH AND SAFETY LAWS AND REGULATIONS.
THE SELLER SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR
OTHER DAMAGES RESULTING FROM THE SALE AND USE OF ANY GOODS AND SELLER’S LIABILITY
HEREUNDER SHALL BE LIMITED TO REPAIR OR REPLACEMENT OF ANY GOODS FOUND DEFECTIVE.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING BUT
NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR USE OR FOR
A PARTICULAR PURPOSE WHICH ARE EXPRESSLY DISCLAIMED.
850190M Rev T Page 5
TABLE OF
CONTENTS
•PREFACE
•Packing List...................................................................................................................3
•Notices...........................................................................................................................4
•WARNING ......................................................................................................................7
SECTION ONE: INTRODUCTION
1.1 Overview ............................................................................................................... 8
1.2 Theory of Operation............................................................................................ 8
SECTION TWO: COMPONENTS
2.1 Control Unit .......................................................................................................... 9
2.1.1 Buttons & Indicators ................................................................................. 9
2.1.2 Display Characters.................................................................................... 9
2.1.3 Interface Components............................................................................... 9
2.2 Wet Cell Assembly..............................................................................................13
2.2.1 Bubble Generator Components.............................................................. 13
2.2.2 Sensor Block............................................................................................13
SECTION THREE: SET-UP
3.1 System Set-Up ....................................................................................................15
3.2 Cell Assembly Set-Up ........................................................................................ 15
3.2.1 Cell Assembly Mounting.......................................................................... 15
3.2.2 Cabling Connections............................................................................... 19
3.2.3 Adding Soap Solution ............................................................................. 19
3.2.4 Sampling Source Connection ................................................................. 19
Page 6 850190M Rev T
TABLE OF
CONTENTS
SECTION FOUR: OPERATION
4.1 Start Up................................................................................................................21
4.2 Bubble Generation .............................................................................................21
4.3 Flow Readout......................................................................................................21
SECTION FIVE: MAINTENANCE
5.1 Storage ................................................................................................................22
5.2 Wet Cell Maintenance.........................................................................................23
5.2.1
General Maintenance..............................................................................23
5.2.2
Damper Plate Diaphragm........................................................................23
5.2.3
Additional Wet Cell Maintenance ............................................................23
SECTION SIX: APPENDICES
•Appendix A: Parts List ......................................................................................25
•Appendix B: Specifications..............................................................................27
•Appendix C: Returned Material Authorization...............................................28
LIST OF FIGURES
2.1 Control Unit.................................................................................................11
2.2 Liquid Crystal Display .................................................................................12
2.3 Wet Cell Assembly (Exploded View)..........................................................14
3.1 Gilibrator 2 System Set-Up ........................................................................16
3.2 Cell Assembly Mounting (3-D View) ...........................................................17
3.3 Cell Assembly Mounting (Top View)...........................................................18
3.4 Adding Soap Solution .................................................................................20
5.1 Wet Cell Assembly Maintenance................................................................24
850190M Rev T Page 7
!
WARNINGS !
READ AND UNDERSTAND ALL WARNINGS BEFORE USE
IMPORTANT COMPATIBILITY NOTE
Mostflowcellsdesigned for theoriginalGilibrator baseare compatiblewith theGilibrator2 baseunit.Ifyour
existing flow cell is not compatible with the Gilibrator 2 base, the unit will display a false SAMPLE# reading
immediately after start-up. If this happens, yourflow cell needs tobe returned to Sensidyne to be upgraded.
SeeAppendixCformoreinformation.
Read and understand ALL warnings before using this product. Failure to read, understand, and comply with ALL
warnings could result in property damage, severe personal injury, or death.
Read and understand ALL applicable Federal, State, and Local environmental health and safety laws and
regulations, including OSHA. Ensure complete compliance with ALL applicable laws and regulations before and
during use of this product.
UNDER NO CIRCUMSTANCES should this product be used except by qualified, trained, technically competent
personnel and not until the warnings, Operation and Service Manual, labels, and other literature accompanying
this product have been read and understood.
The Operation and Service Manual must be read and understood by each user before operating this product or
usingitsaccessories,inordertoensureproperandsafeuseandinstallationofthisproductandtoensure familiarity
withthe proper treatmentand safetyprocedures in the eventof anaccident.
DO NOT remove, cover, or alter any label or tag on this product, its accessories, or related products.
DO NOT operate this product should it malfunction or require repair. Operation of a malfunctioning product,ora
product requiring repair may result in serious personal injury or death. DO NOT attempt to repair or modify the
instrument, except as specified in the Operation and Service Manual. If repair is needed, contacttheSensidyne
ServiceDepartmenttoarrangeforaReturnedMaterialAuthorization(RMA).
Use ONLY genuine SENSIDYNE® replacement parts when performing any maintenance procedures described
in this manual. Failure to do so may seriously impair instrument performance. Repair or alteration of the product
beyond the scope of these maintenance instructions, or by anyone other than an authorized SENSIDYNE®
service personnel, could cause the producttofail to perform as designed and persons who rely on this product for
their safety could sustain severe personal injury or death.
ALWAYS turn off the instrument before changing any batteries.
ONLY use Soap Solution Part No. 800450 with the Wet Flow Cell Assembly. Use of other soap solutions can
damage the Flow Cell.
Use only Gilibrator soap solution. Substitution of other commercial soap solutions may cause damage. Use of
soap solutions containing alcohol or other solvents can cause damage to glued surfaces and discoloration of
the flow cell.
Use only latex tubing to make the connection to the Gilibrator. Use of any other types of tubing, especially vinyl
tubing, can lead to breakage of the Gilibrator fittings.
When removing or replacing the flow cell onto the base bayonet mount, hold the flow cell by the bottom.
Gripping the flow cell at the top can cause breakage of the cell’s glued section joints.
Page 8 850190M Rev T
SECTION ONE
INTRODUCTION
1.1 OVERVIEW
The Gilian Gilibrator 2 Calibration System is an easy-
to-use Primary Standard for the calibration of air
sampling equipment. The system includes a high
accuracy, electronic flowmeter that provides
instantaneous air flow readings and cumulative
averaging of multiple samples. Three Wet Cell
Assemblies provide a wide range of flow rates and
are easily interchangeable using twist-on/off
mounting.
A crystal-controlled microprocessor Control Unit is
designed for accurate data readings. A dual function
DELETE/RESET button on the Control Unit subtracts
erroneous readings to ensure accurate data, or can
cancel the current readings completely.
A 9-pin male RS-232 serial port on the Control Unit
allows you to output the sampling results to a printer,
computer, or compatible sampling pumps and
docking stations. A USB-B interface on the Control
Unit allows output to a computer. Windows™
compatible Gilibrator 2 Flow Monitoring Software is
available that allows you to collect, store, and plot
flow samples.
Features of the Gilibrator 2 Calibration System
include an easy-to-read display; simultaneous
display of flow rate, flow average, and number of
samples taken; dis- play indicators for LOW BAT,
WAIT; and automatic power shutoff when the unit is
inactive for 15 minutes. You can also specify the
number of samples to be taken (5 to 95) in 5 sample
increments.
Gilibrator 2 Calibration System Kits include a Wet
Cell Assembly, Control Unit Base (CE approved),
USB wall-power adapter, USB cable (for battery
charging and communication), Tubing, and Soap
Solution & Dispenser.
Interchangeable Flow Cell Assemblies are available
as follows:
•Low Flow Wet Cell (1 to 250 cc/m)
•Standard Flow Wet Cell (20 cc/m to 6 LPM)
•High Flow Wet Cell (2 to 30 LPM)
1.2 THEORY OF OPERATION
To be a primary standard, all values must be
absolute and measured as absolute. A primary
standard airflow measurement is a volume divided by
a time interval as performed by the Control Unit of
the Gilibrator 2. The volume (V) is measured volume
of space between two beam-break infrared
sensors. The time (t) is that interval needed for the
soap film bubble to travel between the two sensors
which bound the volume. Thus, the volume per unit
of time (V/t) becomes the flow rate. Because the
electronic clock is far more accurate than the
volume measurements, the volume measurement
accuracy determines the overall accuracy of the unit.
The Gilibrator 2 consists of two elements, the Wet
Flow Cell Assembly and the Control Unit Base. The
function of the Flow Cell Assembly is to provide a
means for measuring the soap film bubble traveling
up a flow tube through a known volume of space.
Measurement of the travel time is done by means of
“top” and “bottom” infrared sensors mounted along
the flow tube. The volume bound by these sensors
is set accurately to a primary volume standard.
As the bubble moves up the tube, it trips the bottom
sensor. As it moves further up the tube, it trips the
top sensor. The time difference between the bottom
and top sensors becomes the elapsed travel time.
This timing information (along with the volume
information) is sent to the microprocessor in the
Control Unit Base. The calculated flow and sample
information are then displayed directly on the Liquid
Crystal Display.
850190M Rev T Page 9
SECTION TWO
COMPONENTS
2.1
CONTROLUNIT
The Control Unit (refer to Figures 2.1 & 2.2) contains a
crystal-controlled microprocessor timing system. This
type of microprocessor, used in conjunction with the
built-in software, provides an extremely accurate
method for calculating the flow rate parameters.
The Control Unit contains the following components:
2.1.1 Buttons & Indicators
The ON and OFF buttons turn the Control Unit on and
off.
The DELETE/RESET button has three functions:
Pressing briefly deletes the most recent reading from
the running average. It resets the average and
sample number to the previous reading. If a printer is
connected, a minus symbol is printed and the average
returns to the previous value. If a computer is
connected a minus symbol is displayed on the
computer monitor and the average returns to the
previous value.
Pressing for 3 seconds resets the current readings to
zero and initiates a new sampling sequence. If a
printer is connected, it prints a new header. If the Flow
Monitoring Software is running, its graph will clear and
a new sampling sequence will start.
Pressing simultaneously with the ON buttonsets
the sample size. The sample size is adjusted in 5
sampleincrementsbyrepeatedlypressing
DELETE/RESET (range: 5–95).
Charge Indicator
This tri-color LED indicates several statuses
Off: Running normally on battery power
Red: Battery is charging
Green: Battery has finished charging
Yellow Blink: Low Battery
Violet: Battery error or over temperature
Blue: startup Flash or Firmware Update Mode
2.1.2 Display Characters
FLOW
This shows the flow rate in either cubic centimeters per
minute (ccm) or liters per minute (lpm) depending on
the Flow Cell Assembly used.
AVERAGE
Shows the average flow rate for the samples taken.
SAMPLE #
Shows the number of samples taken (MAX = 99).
LOW BAT
This warning is displayed if insufficient battery charge
remains to operate the unit properly. If the battery is
not recharged, the unit automatically shuts off shortly
after this message appears.
WAIT
Indicates there is a flow measurement in progress.
ERROR 1
Indicates trouble with the Flow Cell or cable
connection.
ERROR 2
Indicates a problem with the battery connection. If
this message appears, please call the factory.
2.1.3 Interface Components
USB
A USB-B connector is provided to power the unit,
charge the battery, and provide data communication
to a computer.
Battery charging requires a USB power source with
at least 500mA capability. Charging will terminate
12 hours after connecting the USB power, sooner if
battery is charged. Charge the battery completely
prior to battery-powered operation.
Gilibrator 2 Flow Monitoring Software is available for
use on a Windows PC.
Page 10 850190M Rev T
Serial Port
A standard, RS-232, D-Sub, 9-pin, male, connector
allows the unit to be connected to a printer or a
compatible sampling pump. Some air sampling
pumps, such as the GilAir Plus, can calibrate
themselves by receiving data from the Gilibrator 2.
A special cable is required to connect the GilAir
Plus docking station to the 9-pin serial port on the
Gilibrator-2.
Printers must support RS-232 (9-pin or 25-pin) and
be configured for 2400 Baud, 8N1, with automatic
line-feed on Carriage Return.
A Printer Kit is available, which contains a pre-
configured thermal printer and compatible serial
port cable.
Cell Interface Cable Assembly
The 9-pin “pig-tail” cable exiting the rear of the unit
connects to the mating connector located on the
back of the flow cell assembly
.
WARNING
The Flow Cell Connection is NOT RS-232 compatible.
Do NOT connect this to a serial port device.
850190M Rev T Page 11
Figure 2.1
Control Unit
Control Unit Base
Flow Cell
Connection Cable
Charging Indicator
Mounting Plate
“DELETE/RESET”
Button
“ON” Button
“OFF” Button
Serial Port
Printer
USB
Power/Comm
Display
Page 12 850190M Rev T
Figure 2.2
Liquid CrystalDisplay
850190M Rev T Page 13
2.2 WET FLOW CELL ASSEMBLY
The Wet Flow Cell Assembly (refer to Figure 2.3)
consists of a Bubble Generator and Sensor Block.
Each Bubble Generator is sized to produce a bubble
film stretched across the diameter of the flow cell tube.
The bubble is carried by airflow from the bottom to the
top of the tube. As the bubble moves past two infrared
sensors, each sensor transmits a signal to the Control
Unit indicating the passage of the bubble film. A manual
push-button on the Flow Cell Assembly starts the
bubble film on its travel up the tube.
Wet Cell Assemblies come in three sizes:
•Low Flow (1 to 250 ccm)
•Standard Flow (20 ccm to 6 lpm)
•High Flow (2 to 30 lpm)
2.2.1 BubbleGeneratorComponents
The Bubble Generator uses a special soap solution to
generate the bubbles. This specially compounded low
residue soap is designed to provide high film strength
and compatibility with the materials used in the Flow
Cell Assembly.
WARNING
Only use Soap Solution Part No. 800450 with the Wet Cell
Assembly.Useofothersoapsolutionscandamagethe
Flow Cell.
Pulsation Damper
This built-in damper smooths out any pulsation within
the airflow and reduces oscillation of the bubble film,
assuring maximum accuracy.
Bubble Initiate Button
This push-button lowers the Bubble Generator Ring
into the soap solution reservoir. When the button is
released, the ring lifts out of the soap solution and a
film bubble is generated across the opening of the flow
tube.
Bubble Breaker
The Bubble Breaker is a secondary chamber in the
upper section of the flow cell that provides the traveling
soap bubble a rapid expansion path. This is
instrumental in breaking the bubble. It also prevents
excessive wall wetting by the soap film and allows it to
flow back into the base of the cell.
Storage Tubing
The anti-spill storage tubing connects the upper and
lower cell chambers and prevents the soap solution
from evaporating. Evaporation can may cause the
soap solution concentration to change.
2.2.2 Sensor Block
Surrounding the flow tube and secured between the
upper and lower chamber of the bubble generator, is
the Sensor Block (refer to Figure 2.4). The block
includes lower and upper infrared sensors used to time
the movement of bubbles through the Flow Cell. This
block is secured to the Bubble Generator Assembly
with two locking screws, allowing easy removal of the
Sensor Block for Flow Cell maintenance.
TIP
For highest accuracy, wait until the previous
bubble pops before starting a new bubble.
TRANSPORTATION WARNING!
If transporting a Wet Cell Assembly by airplane,
disconnect the Storage Tubing from either the Air
Outlet Boss (upper) or Air Inlet Boss (lower). This
prevents the Flow Cell Assembly from becoming
pressurized and possibly causing a rupture within the
Bubble Generator.
Page 14 850190M Rev T
Damper Plate
Pulsation Damper
Damper Plate O-Ring
Spacer
Bubble Breaker Plate
Safety Tape
Air Outlet Boss
Flow Tube
Bubble Initiate Button
Safety Tape
Air Inlet Boss
Bubble Generation Ring
Base Plate O-Ring
Base Plate Assembly
Sensor Block
Assembly
9- Pin Connecting Jack
(back)
Sensor Block
Locking Screws (2)
Storage Tubing
Figure 2.3
Wet Cell Assembly (Exploded View)
850190M Rev T Page 15
SECTION THREE
SETUP
3.1 SYSTEM SET-UP
This section describes the steps necessary to set up the
Gilibrator 2 Calibration System. This includes initial
setup, mounting the Cell Assembly, connecting the
cabling, adding soap solution to wet cell assemblies,
and setting up the sampling source. Figure 3.1 shows
how a complete Gilibrator 2 Calibration System may be
configured.
Refer to Figures 3.2 & 3.3. Perform the following steps
to mount the Cell Assembly.
Prior to setup, make certain you have properly
connected the unit to the provided USB power adapter,
or another USB power source capable of providing 5V
and at least 500mA. If USB power is properly
connected, the Charge LED should be red, until battery
is fully charged.
If you plan to use the Gilibrator 2 in the field, make
certain the unit is fully charged (at least 14 hours)
before operating the unit. If you plan to use the unit in
the lab (i.e., near an AC wall outlet), you can continue
with setup and operation immediately.
3.2 CELL ASSEMBLY SET-UP
3.2.1 Cell AssemblyMounting
1) The Control Unit Base should be positioned on a
flat, level surface.
2) Select the appropriate Cell Assembly (Low,
Standard, or High).
3) Grasp the lower portion of the Cell Assembly and
moveittotheMountingPlateontheControlUnit.
4) With the front of the Cell Assembly facing right
(see Figure 3.2), lower the assembly onto the
Mounting Plate on the ControlUnit.
5) Align the Mounting Pins on the Flow Cell with the
Mounting Slots on the Mounting Plate (see Figure
3.3). If alignment is successful, the bottom of the
Flow Cell should mount flush with the Mounting
Plate.
6) While grasping only the lower portion of the Flow
Cell Assembly, rotate it in a clockwise direction until
it“clicks” intoplace.ThefrontoftheCellAssembly
should face toward the display on the Control Unit.
IMPORTANT COMPATIBILITY NOTE
Most flow cells designed for the original
Gilibrator base are compatible with your new
Gilibrator 2 base unit. If your existing flow cell is
not compatible with the Gilibrator 2 base, the unit
will display a false SAMPLE# reading
immediately after start-up. If this happens, your
flow cell needs to be returned to Sensidyne to be
upgraded. See Appendix C (page 28) for more
information.
CAUTION
Always mount or remove the Cell Assembly by
grasping and rotating only the lower part of the
assembly.
Page 16 850190M Rev T
3
HIGH
STANDARD
LOW
9-Pin
Connector
Thermal Printer
Battery
Fault
Gil ir 5
Tri-Mode Air Sampler
WARNING
Substitution of components may
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Air Sampling Pump
Figure 3.1
Gilibrator 2 System Setup
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850190M Rev T Page 17
Figure 3.2
Cell Assembly Mounting (3-D View)
Page 18 850190M Rev T
IMPORTANT
Mounting Pins & Mounting Slots
should match up
Cell Assembly
(base = shaded area)
Mounting Pins
(dark area)
Mounting Plate
(white area)
Mounting Slots
Figure 3.3
Cell Assembly Mounting (Top View)
850190M Rev T Page 19
3.2.2 Cabling Connections
When installing a Wet Cell on the Control Base,
insert the 9-Pin Interface Plug from the Control Base
directly into the Connecting Jack located on the back
of the Wet Cell (refer to figure 2.3). Be sure to
properly match up the connectors before engaging.
When using the optional printer for real-time
printout of measurements, connect the printer to
the 9-pin Serial Port connector on the left side of
the Control Unit Base. Make certain the cable
and Serial Port connectors align correctly before
pressing the cable on to the connector. Power-
on the printer. The Gilibrator-2 will transmit
header text to the printer when it detects a
device is connected, which includes device
information and provides a place for the operator
to write the date and serial numbers. To make
the Gilibrator-2 print the header again, simply
press the “ON” button.
3.2.3
Adding Soap Solution
Add soap solution to the unit as follows:
1) Remove the Storage Tubing from the Air Outlet
Boss (see Figure 2.3) of the Flow Cell. Fill the
dispenser bottle provided with Gilibrator soap
solution. Using the rubber Storage Tubing as a
funnel, slowly add soap solution from the
dispenser (refer to Figure 3.4).
2) The amount of soap needed is determined by
depressing the Bubble Initiate Button and
holding it down in the lower position. Continue
to add enough soap solution until the angled
edge at the bottom of the Bubble Generator
Ring is immersed in the solution.
3) After filling is completed, the rubber Storage
Tubing may be removed completely. Recap the
soap dispenser bottle for later use.
3.2.4 Sampling Source Connection
Connect the air sampler to be calibrated to the Air
Out- let Boss of the Wet Cell Assembly. Use 1/4” ID
tubing in either case.
WARNING
Only use Soap Solution Part No. 800450 with the
Flow Cell Assembly. Use of other soap solutions
can damage the Flow Cell.
CAUTION
Do Not Overfill
NOTE
If the Wet Cell Assembly is not going to be used
for an extended period of time, reinstall the
rubber Storage Tubing between the inlet and
outlet bosses. This prevents the solution from
evaporating and altering the soap concentration
in the solution.
WARNING
If you are shipping the Wet Cell, you must
remove the rubber Storage Tubbing between the
inlet and outlet bosses.
WET CELL NOTE
A liquid trap between the sampler and the Wet
Cell Assembly is recommended. This prevents
moisture from carrying over into the sampler
during continuous calibration periods.
Page 20 850190M Rev T
Figure 3.4
Adding Soap Solution (Wet Cell)
Fill Soap Solution Reservoir until bottom
of Bubble Generator Ring is immersed in
the solution
Angled Edge
Fully press & hold
Bubble Initiate Button
while filling reservoir
Storage Tube
Soap Solution Reservoir
(now empty)
Bubble Generator
Bubble Initiate Button
Air Inlet Boss
Flow Tube
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