Fluke 717 1G User manual

English
®
717 Series
Pressure Calibrators
Instruction Sheet
Introduction
The Fluke 717 Series Pressure Calibrators are compact, battery-powered, 5-digit
instruments that perform the following calibration and measurement functions:
•Calibrates P/I (pressure to current) transmitters
•Measures pressure using a 1/8-inch NPT pressure fitting and an internal
pressure sensor
•Measures pressure via a Fluke 700 Series Pressure Module
•Measures current up to 24 mA
•Sources loop voltage (to 24 V dc)
•Displays simultaneously pressure and current measurements
•Calculates mA percentage in Percent Mode
•Calculates mA error in Percent Error Mode
The 717 Pressure Calibrators (hereafter, “the Calibrator”) include:
•717 1G
•717 30G
•717 100G
•717 300G
•717 500G
•717 1000G
•717 1500G
•717 3000G
•717 5000G
Full Scale Pressure sensor is as listed in the “Specifications” section under
“Pressure Specifications”. The Calibrator is an IEC 61010, CAT I 30 V, Pollution
Degree 2 instrument. A CAT I instrument is designed to protect against transients
from low-energy sources like, for example, electronic circuits or a copy machine.
The Calibrator comes with a holster, an installed 9 V battery, a set of test leads and
alligator clips, and a 14-language instruction sheet pack. If the Calibrator is
damaged or something is missing, contact the place of purchase immediately.
PN 690013 March 1998, Rev. 2, 3/06 (English)
1998-2006 Fluke Corporation. All rights reserved. Printed in USA
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English
Input Units
The Calibrator measures and displays pressure sensor inputs in the units listed
below:
•Psi
•inH2O@4°C
•inH2O@20°C
•cmH2O@4°C
•cmH2O@20°C
•bar
•mbar
•kPa
•inHg@0°C
•mmHg
•kg/cm2
If inappropriate units are selected, the output of Fluke 700P pressure modules can
be too low to be displayed or can cause the Calibrator to display OL (overload).
Refer to Table 1 for pressure unit and range compatibility.
Table 1. Pressure Unit and Range Compatibility
Units Range Units Range
psi All kPa All
inH2O Through 3000 psi inHg All
cmH2O Through 1000 psi mmHg Through 3000 psi
bar 15 psi and above kg/cm215 psi and above
mbar Through 1000 psi
Symbols
Symbol Meaning
+ ON / OFF button
J Earth ground
W Caution: Important information. See instruction sheet
X Hazardous voltage, risk of electric shock
f Pressure
T Double insulated
M Battery
$ Canadian Standards Association
P Conforms to European Union requirements
F Direct current
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Safety
A "XW Warning" identifies conditions or actions that pose hazards to the user.
A "WCaution" identifies conditions and hazards that may damage the Calibrator
or equipment under test.
XW Warnings
To avoid electric shock, injury, or damage to the Calibrator:
•Use the Calibrator only as described in this Instruction Sheet.
•Using the Calibrator in a manner not specified by the manufacturer might
impair the protection provided by the Calibrator.
•Do not use the Calibrator to make measurements in a CAT II, CAT III, or
CAT IV environment.
CAT I equipment is designed to protect against transient from high-
voltage, low-energy sources, such as electronic circuits or a copy
machine.
•Do not use the Calibrator around explosive gas, vapor, or dust.
•Inspect the Calibrator before use. Do not use it if appears damaged.
•Check the test leads for continuity, damaged insulation, or exposed metal.
Replace damaged test leads.
•Never apply more than 30 V between any two terminals, or between any
terminal and earth ground.
•Use the proper terminals, mode, and range for your measuring or sourcing
application.
•To prevent damage to the unit under test, put the Calibrator in the correct
mode before connecting the test leads.
•When making connections, connect the COM test lead before the live lead;
when disconnecting, disconnect the live lead before the COM lead.
•Never use the Calibrator with the case open.
•Make sure the battery door is closed before you use the Calibrator.
•Replace the battery as soon as the M(low battery) symbol appears to
avoid false readings that can lead to electric shock.
•Remove test leads from the Calibrator before opening the case or battery
door.
•To avoid a violent release of pressure in a pressurized system, shut off the
valve and slowly bleed off the pressure before you attach or detach the
pressure sensor or Pressure Module fitting to the pressure line.
When servicing the Calibrator, use only specified replacement parts.
WCaution
When using pressure pressure modules, to avoid damage to the
Calibrator module connections, follow all procedures in the pressure
module instruction sheet.
WCaution
When using pressure sensor connections, to avoid damage to the
Calibrator or equipment to which it is attached:
•To avoid overpressure damage, do not apply pressures that exceed
ranges listed under “Pressure Specifications”.
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•To avoid corrosion in the pressure sensor, use the Calibrator only
with media compatible with glass, ceramic, silicon, RTV, nitrile
(Buna -N) type 303 stainless steel, and nickel.
•To avoid damaging the Calibrator, do not apply torque between the
pressure fitting and the Calibrator case. See Figure 1 for the proper
technique.
Hold in
fixed
position
qo001f.eps
Figure 1. Proper Tightening Method
Getting Acquainted
Press Oto turn the Calibrator ON and OFF. The Calibrator displays pressure and
current measurements simultaneously.
The upper part of the display shows the applied pressure.
Press Uto select a different unit. When you turn the Calibrator OFF, the next
time you turn the Calibrator back ON it returns to the pressure unit you last used.
The lower part of the display shows the current (up to 24 mA) applied to the
current (mA) inputs. See Figure 2.
Power Saver
The Calibrator automatically turns off after 30 minutes of inactivity. To reduce this
time or disable this feature:
1. With the Calibrator OFF, press O.
2. P.S. xx is displayed, where xx is the turn-off time in minutes. OFF means the
power saver is disabled.
3. Press h(W) to decrease or a(Z) to increase the turn-off time.
4. To disable, press huntil the display shows OFF.
The Calibrator resumes normal operation after 2 seconds.
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HOLD
UNITS
ZERO
DAMP
MIN
MAX
mA
MODE
SWITCH
TEST HOLD
COM
mA
30V
MAX
RANGE
LOOP
POWER
BAROMETRIC ADJ.
717 100G
PRESSURE
CALIBRATOR
Current mA
measurement
Pressure
measurement
Pressure
module input
Pressure
sensor input
Current input
On/Off Button
a
I 69 mPa
RANGE -83 TO 690 kPa
-12 TO 100 PSI
MAX 200 PSI 1.4 mP
qo005f.eps
Figure 2. The Pressure Calibrator (717 100G is Shown)
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Pushbutton Functions
Button Function
U
Press to select a pressure unit. All units are available when the
pressure sensor input is used. For higher pressure module inputs,
inappropriate units are not available.
Press Oon while pressing Uto source loop voltage.
D
ENTER Press to toggle pressure reading damping on and off. With
damping on, the display does not update as quickly.
Press to confirm selection of 0% and 100% output parameters.
ZPress to zero the pressure display. (Vent pressure to atmosphere
before pressing.)
With an absolute pressure module, see instructions below.
N
Press to read the minimum pressure and current readings since
power was turned on or the registers were cleared. Press again to
read the maximum pressure and current readings since power was
turned on. Press and hold to clear the MIN/MAX registers.
SPress to perform switch test.
Z
aPress to toggle the mA display mode between mA, mA
Percent, and mA Percent Error.
h
Y
Press hto freeze the display.
The gsymbol appears on the display. Press h
again to resume normal operation.
In ZERO mode, press to decrease barometric pressure.
Switch Test
To perform a switch test, do the following:
Note
This example uses a normally closed switch. The procedure is the same for
an open switch but the display reads OPEN instead of CLOSE.
1. Connect the Calibrator mA and COM terminals to the switch using the
pressure switch terminals and connect an external pump between the
Calibrator and the pressure switch using a tee fitting. The polarity of the
terminals does not matter.
2. Make sure the vent on the pump is open and zero the Calibrator if necessary.
Close the vent after zeroing the Calibrator.
3. Press Sto enter pressure switch test mode. The Calibrator will display
CLOSE instead of a mA measurement.
4. Apply pressure with the pump slowly until the switch opens.
Note
In the switch test mode, the display update rate is increased to help capture
changing pressure inputs. Even with the enhanced sample rate, pressuring
the device under test should be done slowly to ensure accurate readings.
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5. OPEN is displayed once the switch is open. Bleed the pump slowly until the
pressure switch closes. The recall icon appears on the display.
6. Press Sto read the pressure values for when the switch opened, for when
it closed, and for the deadband
7. Hold Sfor 3 seconds to reset Switch Test mode; hold any other key for 3
seconds to exit.
Zeroing with Absolute Pressure Modules
To zero, adjust the Calibrator to read a known pressure as follows:
1. Press and hold Z.
2. Press Z(a) to increase or Y( h)to decrease the Calibrator reading
to equal the applied pressure.
3. Release Zto exit the zeroing procedure.
For all but the 700PA3 module, the known pressure can be barometric, if it is
accurately known. An accurate pressure standard can also apply a pressure within
range for any absolute pressure module. To convert measurement units:
•1 bar = 750 mmHg (1 mmHg = 0.0013332 bar)
•1 psi = 2.036 inHg (1 inHg = 0.49115 psi).
Sourcing Loop Voltage
To use the Calibrator to supply loop power (24 V dc) to a current transmitter that
is disconnected from the system:
1. With power off, hold down Uwhile pressing OON.
The LOOP POWER icon appears on the display.
2. With the transmitter disconnected from normal loop power, connect the
Calibrator in series with the instrument current loop as shown in Figure 3.
In addition to mA, the current can be displayed in two alternative modes:
•Percent Mode- The current is displayed as a percentage based on a 4-20 mA
scale.
•Percent Error Mode- Transmitter current output error is displayed. Error is
calculated based on a configurable zero and span pressure and a 4-20 mA
scale.
3. Measure loop current in the mA measurement display.
4. Press OOFF to deactivate the 24 V dc supply when you are done sourcing
loop voltage.
SIGNAL
TEST
+–
qo007f.eps
Figure 3. Sourcing Connections
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Percent Error Setup
Press and hold a. After 3 seconds the set icon and 0% appears on the lower
display. Use WandXto adjust the 0% point for the Percent Error calculation,
then press D(ENTER) key to confirm selection. Press a. 100% is displayed
on the lower display. Use WandXto adjust the 100% point for the Percent Error
calculation. Press D(ENTER) to confirm the selection and exit.
Calibrating a P/I Transmitter
To calibrate a P/I (pressure to current) transmitter:
1. Open the pump vent and zero the Calibrator before applying pressure.
Repeat frequently to ensure accuracy.
2. Apply a pressure to the transmitter and measure the transmitter’s current
loop output. OL (overload) is displayed at full scale.
3. Connect the Calibrator to the transmitter as shown in Figure 4 or Figure 5.
The Calibrator recognizes only the pressure module if both types of
connection are in place.
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a
mPa
RANGE -83 O 690 kPa
-12 O 100 PSI
MAX 200 PSI 1.4 mP
MAX
COM
mA
HOLD
UNITS
ZERO
DAMP
HOLD
COM
mA
30V
MAX
100psi 689kPa
RANGE
MAX
LOOP
POWER
BAROMETRIC ADJ.
717 100G
PRESSURE
CALIBRATOR
SIGNAL
TEST
+–
Red
Black
I 69
T
T
SWITCH
TEST
mA
MODE
MIN
MAX
ENTER
qo002f.eps
Figure 4. Connecting to an Internal Pressure Sensor
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Calibrating a P/I Transmitter (Cont.)
SIGNAL
TEST
+–
Pressure
Module
Red
Black
HOLD
UNITS
ZERO
DAMP
HOLD
COM
mA
30V
MAX
100psi 689kPa
RANGE
LOOP
POWER
BAROMETRIC ADJ.
717 100G
PRESSURE
CALIBRATOR
MIN
MAX
mA
MODE
SWITCH
TEST
a
I 69 mPa
RANGE -83 TO 690 kPa
-12 TO 100 PSI
MAX 200 PSI 1.4 mP
ENTER
qo006f.eps
Figure 5. Connecting to a Pressure Module
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