2700G
Reference Pressure Gauge
September 2013
© 2013 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
Calibration Manual
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.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
11/99
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
Table of Contents
Title Page
Introduction ............................................................................................ 1
Contact Fluke Calibration ...................................................................... 1
Standard Equipment .............................................................................. 2
Safety Information ................................................................................. 2
Symbols ................................................................................................. 3
Maintenance .......................................................................................... 4
Clean the Product .............................................................................. 4
Change the Batteries ......................................................................... 4
Specifications ........................................................................................ 6
Accuracy ............................................................................................ 6
Media Compatibility ........................................................................... 6
Environmental Specifications ............................................................ 6
Mechanical Specifications ................................................................. 6
Available Pressure Ranges ............................................................... 7
Necessary Equipment ........................................................................... 7
Calibration Tests ................................................................................... 8
Connections ....................................................................................... 8
Initiate Communication ...................................................................... 8
Calibration Steps ............................................................................... 9
Serial Point Adjustment ......................................................................... 9
Set Zero ............................................................................................. 9
Set Span ............................................................................................ 9
Save .................................................................................................. 10
User-Replaceable Parts ........................................................................ 10
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2700G
Calibration Manual
ii
List of Tables
Table Title Page
1. Symbols ..................................................................................................... 3
2. Necessary Calibration Equipment ............................................................. 7
3. Calibration Tests ....................................................................................... 9
4. User-Replaceable Parts ............................................................................ 10
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2700G
Calibration Manual
iv
List of Figures
Figure Title Page
1. Change the Batteries ................................................................................. 5
2. Terminal Settings ...................................................................................... 8
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2700G
Calibration Manual
vi 1
Introduction
The 2700G Series Reference Pressure Gauges (the Product) are high-accuracy
digital pressure test gauges. Accurate to 0.02 % FS, the Product can be used as
a calibration reference or in applications where high-accuracy pressure
measurement is necessary.
The Product features user-configurable functions that include:
• Sampling rate
• Tare
• Damping
• Auto off
• Min Max
Contact Fluke Calibration
To contact Fluke Calibration, call one of the following telephone numbers:
• Technical Support USA: 1-877-355-3225
• Calibration/Repair USA: 1-877-355-3225
• Canada: 1-800-36-FLUKE (1-800-363-5853)
• Europe: +31-40-2675-200
• Japan: +81-3-6714-3114
• Singapore: +65-6799-5566
• China: +86-400-810-3435
• Brazil: +55-11-3759-7600
• Anywhere in the world: +1-425-446-6110
To see product information and download manuals and the latest manual
supplements, visit Fluke Calibration’s website at www.flukecal.com.
To register your product, visit http://flukecal.com/register-product
2700G
Calibration Manual
Standard Equipment
Safety Information
The Product ships with:
• Protective cover (installed)
• Three AA alkaline batteries (installed)
• 2700G Safety Information (printed)
• Report of calibration
• Manuals CD-ROM with translated users manuals
• USB cable
• USB power adapter
• NPT to ¼ BSP male adapter
• NPT to M20 x 1.5 male adapter
A Warning identifies conditions and procedures that are dangerous to the user.
A Caution identifies conditions and procedures that can cause damage to the
Product or the equipment under test.
Warning
To prevent injury, only assemble and operate high-pressure
systems if you know the correct safety procedures. Highpressure liquids and gases are hazardous and the energy from
them can be released without warning.
To prevent possible electrical shock, fire, or personal injury:
• Read all safety Information before you use the Product.
• Use the Product only as specified, or the protection
supplied by the Product can be compromised.
• Do not use the Product around explosive gas, vapor, or in
damp or wet environments.
• Do not use and disable the Product if it is damaged.
• Remove the batteries if the Product is not used for an
extended period of time, or if stored in temperatures above
50 °C. If the batteries are not removed, battery leakage can
damage the Product.
• Replace the batteries when the low battery indicator shows
to prevent incorrect measurements.
• The battery door must be closed and locked before you
operate the Product.
2
Reference Pressure Gauge
Symbols
Caution
To prevent possible damage to Product or to equipment under
test:
• The display reads “OL” when the pressure source is above
the Product range limit. The pressure source must
immediately be removed.
• Do not apply more than the maximum torque specified.
Maximum torque specified is 20 Nm = 15 ft-lb.
Symbols
Symbols used on the Product and in this manual are in Table 1.
Table 1. Symbols
Symbol Meaning Symbol Meaning
Risk of danger. Important
information. See manual.
Hazardous voltage. Risk of
electrical shock.
Conforms to relevant Australian
standards.
Conforms to European Union
directives.
Conforms to relevant North
American Safety Standards.
This product complies with the
WEEE Directive (2002/96/EC)
marking requirements. The affixed
label indicates that you must not
discard this electrical/electronic
product in domestic household
waste. Product Category: With
reference to the equipment types in
the WEEE Directive Annex I, this
product is classed as category 9
"Monitoring and Control
Instrumentation” product. Do not
dispose of this product as unsorted
municipal waste. Go to Fluke’s
website for recycling information.
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2700G
Calibration Manual
Maintenance
Clean the Product
Clean the Product with a soft cloth dampened with water or water and weak
soap.
Caution
To prevent possible damage to the Product, do not use
solvents or abrasive cleansers.
Caution
For safe operation and maintenance of the product:
• Repair the Product before use if the battery leaks.
• Remove batteries to prevent battery leakage and damage to
the Product if it is not used for an extended period.
• Be sure that the battery polarity is correct to prevent battery
leakage.
• Have an approved technician repair the Product.
Change the Batteries
To prevent possible electrical shock, fire, or personal injury,
have an approved technician repair the Product.
To change the batteries, see Figure 1:
1. Pull off the Product cover.
2. Use a Phillips screwdriver to loosen the captive screw on the battery door.
3. Remove the battery door.
4. Replace the three AA batteries, note the correct polarity.
5. Install the battery door again.
6. Tighten the captive screw.
7. Put the Product cover back on.
Warning
4
Reference Pressure Gauge
Maintenance
Figure 1. Change the Batteries
gsn002.eps
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2700G
Calibration Manual
Specifications
Instrumental Measurement Uncertainty
Media Compatibility
Positive Pressure .................................. ±0.02 % FS
Vacuum ................................................. ±0.05 % FS
Temperature Compensation .................. 18 °C to 28 °C (65 °F to 82 °F) to rated
accuracy
Note
For temperatures from 0 °C to 18 °C and 28 °C to 50 °C, add
.003 % FS/°C
15, 30 psi ............................................... any clean dry non-corrosive gas
100, 300, 500, 1000 psi ......................... any liquids or gases compatible with 316
stainless steel
Above 1000 psi ...................................... any non-flammable, non-toxic,
non-explosive, non-oxidizing
liquid or gas compatible with 316
stainless steel.
Environmental Specifications
Operating Temperature ......................... 0 °C to 50 °C (32 °F to 122 °F)
Storage ................................................. -20 °C to +70 °C (-4 °F to +158 °F)
Humidity ............................................... 10 % to 90 % RH Non-condensing
Altitude .................................................. 2000 m (6561.68 ft)
Pollution Degree ................................... 2
Agency Approvals ................................. , ,
Mechanical Specifications
Dimensions ........................................... (11.4 x 12.7) cm, depth = 3.7 cm
(4.5 x 5) in, depth = 1.5 in
(Without protective cover)
Pressure
Connection ................................... ¼ in NPT male
Housing ........................................ Cast ZNAL
Display .......................................... 5-1/2 Digits, 16.53 mm (0.65 in) high
20-Segment bar graph, 0 to 100 %
Power
6
Battery ......................................... three size AA alkaline batteries
Battery Life ................................... 75 hours typical without backlight
Reference Pressure Gauge
Necessary Equipment
Available Pressure Ranges
Model
Number
Pressure
Range (psi)
Pressure
Range (MPa)
Vacuum
Range (psi)
Vacuum
Range (kPa)
Burst
Pressure
(psi)
Burst
Pressure
(MPa)
Proof
Pressure
(psi)
Proof
Pressure
(MPa)
[1] Measuring or calibrating below -12 psi will invalidate the pressure measurement specification.
2700G-
BG100K
15 30 100 300 500 1000 3000 5000 10000
0.1 0.2 0.7 2 3.5 7 20 35 70
-15 -15 -12 -12 -12 -12 0 0 0
-100 -100 -80 -80 -80 -80 0 0 0
45 90 1000 2000 2000 10000 10000 10000 15000
0.3 0.6 7 14 14 70 70 70 100
30 60 200 600 1000 2000 6000 8000 13000
0.2 0.4 1.4 4 7 14 40 55 90
2700G -
BG200K
2700G -
BG700K
[1]
2700G -
BG2M
[1]
2700G -
BG3.5M
[1]
2700G -
BG7M
[1]
2700G -
G20M
[1]
2700G -
G35M
[1]
2700G -
G70M
[1]
Necessary Equipment
Pressure and/or vacuum standards that can produce and show pressures from
vacuum to the full-scale range of the unit under test (UUT) are necessary for
calibration and adjustment. To maintain the specified Product accuracy, use a
pressure standard with an uncertainty of ±0.0075 % FS of the Product or lower.
The necessary equipment for the calibration procedures is shown in Table 2.
Table 2. Necessary Calibration Equipment
Recommended
Model Name Range
Model
Pressure
Calibrator
2700G-BG100K -15 psi to 15 psi (-100 kPa to 100 kPa) PG7601 or 2465 ±0.0011 psi (±0.0075 kPa)
2700G-BG200K -15 psi to 30 psi (-100 kPa to 200 kPa) PG7601 or 2465 ±0.0023 psi (±0.015 kPa)
2700G-BG700K -15 psi to 100 psi (-100 kPa to 700 kPa) PG7601 or 2465 ±0.008 psi (±0.0525 kPa)
2700G-BG2M
-15 psi to 300 psi (-100 kPa to
2000 kPa)
PG7601 or 2465 ±0.023 psi (±0.15 kPa)
2700G-BG3.5M -15 to 500 psi (-100 to 3500 kPa) PG7601 or 2465 ±0.04 psi (±0.2625 kPa)
2700G-BG7M
-15 psi to 1000 psi (-100 kPa to
7000 kPa)
PG7601 or 2465 ±0.08 psi (±0.525 kPa)
2700G-G20M 0 psi to 3000 psi (0 kPa to 20000 kPa) PG7202 ±0.23 psi (±1.5 kPa)
Minimum Specification
2700G-G35M 0 psi to 5000 psi (0 kPa to 35000 kPa) PG7202 ±0.4 psi (±2.625 kPa)
2700G-G70M 0 psi to 10000 psi (0 psi to 70000 kPa) PG7202 ±0.8 psi (±5.25 kPa)
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2700G
Calibration Manual
Calibration Tests
Connections
Calibration verifies the complete operation of the Product and measures the
accuracy of each function against Product specifications. If the Product fails a
part of the test, adjustment or repair is necessary. See “Serial Point Adjustment”.
It is recommended that you apply full-scale pressure to the Product and then vent
before calibration adjustment. Let the Product stabilize for 1 minute after venting
before continued testing.
Note
Calibration and adjustment can be performed anywhere in the
operating ambient temperature range of 18
82
°
F). Calibration or adjustment outside this temperature range will
°
C to 28 °C (64 °F to
invalidate the compensation program in the Product. For optimum
results, the calibration or adjustment should be done with ambient
temperature as close as possible to 23
°
C (72 °F).
The Product uses a ¼ inch NPT male connection in the pressure input port.
Adapters may be necessary to connect to the pressure standard. Make sure the
hose, tubing, and fittings have a rated working pressure at or above the pressure
of the unit. Make sure there are no leaks when you do the calibration process.
Use Teflon tape where necessary.
Initiate Communication
Serial communications can be set up with terminal communication software on a
PC, such as Windows HyperTerminal.
1. Connect the USB RS232 cable to the serial jack on the rear of the Product.
2. Connect the other end of the cable to the PC. Terminal settings are shown in
Figure 2.
8
Figure 2. Terminal Settings
hmo001.bmp
Reference Pressure Gauge
Serial Point Adjustment
Calibration Steps
To calibrate the Product, apply the values shown in Table 3 for the correct
Product. If the Product fails to show the correct indication, adjustment is
necessary. Calibration can be done in any pressure unit that can be shown on
the Product display. Pressure units of psi and kPa are shown in Table 3 as
examples. If calibrating in other units, use points that are as close as possible to
those in Table 3.
Table 3. Calibration Tests
Model Calibration Points (psi) Calibration Points (kPa)
2700G-BG100K 0, -6, -12, -3, 0, 0, 3, 6, 9, 12, 15 0, -40, -80, -20, 0, 0, 20, 40, 60, 80, 100
2700G-BG200K 0, -6, -12, -3, 0, 0, 6, 12, 18, 24, 30
2700G-BG700K 0, -6, -12, -3, 0, 0, 20, 40, 60, 80, 100
2700G-BG2M 0, -6, -12, -3, 0, 0, 60, 120, 180, 240, 300
2700G-BG3.5M 0, -6, -12, -3, 0, 0, 100, 200, 300, 400, 500
2700G-BG7M 0, -6, -12, -3, 0, 0, 200, 400, 600, 800, 1000
2700G-G20M 0, 600, 1200, 1800, 2400, 3000 0, 4000, 8000, 12000, 16000, 20000
2700G-G35M 0, 1000, 2000, 3000, 4000, 5000 0, 7000, 14000, 21000, 28000, 35000
2700G-G70M 0, 2000, 4000, 6000, 8000, 10000 0, 14000, 28000, 42000, 56000, 70000
0, -40, -80, -20, 0, 0, 40, 80, 120, 160,
200
0, -40, -80, -20, 0, 0, 140, 280, 420, 560,
700
0, -40, -80, -20, 0, 0, 400, 800, 1200,
1600, 2000
0, -40, -80, -20, 0, 0, 700, 1400, 2100,
2800, 3500
0, -40, -80, -20, 0, 0, 1400, 2800, 4200,
5600, 7000
Serial Point Adjustment
Adjustment of the Product is done electronically with internal software. It is not
necessary to open the Product case. All calibration commands and adjustments
are done through the serial port connection. If the processes in the next sections
do not bring the Product into specification, then it will be necessary to send your
Product to Fluke Calibration for calibration adjustment.
Set Zero
After all connections are made, vent the Product to atmosphere and send this
command:
OFFSET_ADJ?
Note the value that is shown. When the pressure is stable, send:
OFFSET_ADJ N
N is the pressure given from the previous OFFSET_ADJ? command.
Set Span
Send the GAIN_ADJ? command.
Note the value shown. Use the correct pressure standard to input a value equal
to or near the noted value. When pressure is stable, send:
GAIN_ADJ N
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2700G
Calibration Manual
User-Replaceable Parts
N is the entered pressure.
Two-point calibration is complete.
Save
Push the power button to save the calibration adjustment.
Note
When you calibrate the Product, the results should typically be within
50 % of the total uncertainty. For calibration with the serial port, use
the VAL? command. A typical calibration is to be done at 20 %
increments first with ascending pressure and then with descending
pressures. The typical procedure for vacuum calibration is to be
done in this order:
-6 psi, -12 psi,-3 psi and back to 0 psi.
User-replaceable parts are shown in Table 4. For more information about these
items and their prices, contact a Fluke Calibration representative. See the
“Contact Fluke Calibration” section.
Table 4. User-Replaceable Parts
Description Fluke Part Number
Gauge Cover 4201079
2700G-8004 DECAL BG100K 15PSI 0.1MPA 4201101
2700G-8005 DECAL BG200K 30PSI 0.2MPA 4201112
2700G-8006 DECAL BG700K 100PSI 0.7MPA 4201120
2700G-8007 DECAL BG2M 300PSI 2MPA 4201135
2700G-8008 DECAL BG3.5M 500PSI 3.5MPA 4201147
2700G-8009 DECAL BG7M 1000PSI 7MPA 4201158
2700G-8010 DECAL G20M 3000PSI 20MPA 4201164
2700G-8011 DECAL G35M 5000PSI 35MPA 4201173
2700G-8012 DECAL G70M 10000PSI 70MPA 4201186
POWER SUPPLY,SW,5W,85-264VAC,5 V@1 A,3 KV,W/MAINS
ADAPTERS,USB OUT,UNIV,WALL MOUNT
USB CABLE,USB TO RS232, 1.8M/5V WIRE END W/ CONN, 4
CONTACT, F CBL W/STRAIN RLF
2700G Manuals CD 4150074
4252495
4258329
10
AA Alkaline batteries, NEDA 15A IEC LR6 376756
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