Everything you need to calibrate and test pressure transmitters and gauges from very low pressure to 3000 psi (20 MPa), all in one box
The Fluke Calibration 2271A Industrial Pressure Calibrator provides a complete, automated pressure testing solution for calibrating a wide variety of pressure gauges and sensors. Thanks to its modular design, it can be configured to meet different needs and budgets, and expanded to cover a broad workload.
The 2271A is compatible with modules at two different accuracy classes, to provide maximum flexibility in workload and budget. The PM200 modules provide 0.02% FS for most ranges (see specification tab for details). The PM500 modules provide 0.01% Reading, allowing the 2271A to be used to test or calibrate higher accuracy transmitters and digital gauges.
The 2271A is ideal for calibration laboratories starting out in pressure calibration because it offers wide pressure measurement capabilities in a single instrument. Everything you need for calibrating pressure is included; just connect supply pressure. And your investment will stand the test of time: as your workload grows and changes, the 2271A can grow and change too. Just add measurement modules.
The 2271A automated pressure testing solution is also a great fit for labs that currently calibrate pressure transmitters and gauges and want to expand their capabilities or make their processes more efficient. This instrument is easy to set up and use, so you don’t have to reserve it for your most experienced technicians. The built in electrical measurement and programmable tasks provide full automation, helping your lab run more efficiently.
If you are concerned about contamination from workload coming in from the field, the 2271A is a good choice for you as well. Its optional Contamination Prevention System (CPS) provides an important safeguard against that pervasive hazard.
A graphical user interface in your choice of ten languages and an intuitive menu structure, as well as an intuitive hardware design, make the 2271A remarkably easy to learn and to use.
2271A features at a glance
- Calibrate a wide range of gauges and sensors with a single instrument
- Two levels of accuracy, 0.01% reading or 0.02% FS
- Wide measurement range from -100 kPa to 20 MPa (-15 to 3000 psi)
- Removable pressure measurement modules make it easy to change or add measurement ranges
- Integrated electrical measurement module with HART communication provides a complete solution for calibrating pressure transmitters
- Built-in dual test ports enable you to connect multiple devices under test (DUTs)
- Localized graphical user interface in choice of ten languages
General specifications | |
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Mains | |
Power requirements | 100 V ac to 240 V ac, 47 Hz to 63 Hz |
Fuse | T2A 250 V ac |
Max power consumption | 100 W |
Environment | |
Operating Ambient Temperature Range | 15 °C to 35 °C |
Storage temperature | -20 °C to 70 °C |
Relative Humidity | Operating: <80 % to 30 °C, <70 % to 35 °C Storage: <95 %, non-condensing. A power stabilization period of four days may be required after extended storage at high temperature and humidity. |
Vibration | MIL-T-28800D CLASS 3 |
Altitude (Operation) | <2000 m |
Warmup time | 15 minutes after power up or module installation, when items previously stored within operating ambient temperature |
Electromagnetic compatibility (EMC) | |
International | IEC 61326-1: Controlled Electromagnetic Environment |
Group 1: Equipment has intentionally generated and/or uses conductively-coupled radio frequency energy that is necessary for the internal function of the equipment itself. Class A: Equipment is suitable for use in all establishments other than domestic and those directly connected to a low-voltage power supply network that supplies buildings used for domestic purposes. There may be potential difficulties in ensuring electromagnetic compatibility in other environments due to conducted and radiated disturbances. Emissions that exceed the levels required by CISPR 11 can occur when the equipment is connected to a test object. | |
Korea (KCC) | Class A Equipment (Industrial Broadcasting & Communication Equipment) Class A: Equipment meets requirements for industrial electromagnetic wave equipment and the seller or user should take notice of it. This equipment is intended for use in business environments and not to be used in homes. |
USA (FCC) | 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103. |
Compliance | |
Ingress protection | IEC 60529: IP20 |
Safety | IEC 61010-1, Installation Category II, Pollution degree 2 |
Dimensions and weights | |
Dimensions | |
Height | 2271A-NPT-STD 305 mm (12 in) 2271A-BSP-STD 305 mm (12 in) 2271A-NPT-P3000 237 mm (9.33 in) 2271A-BSP-P3000 237 mm (9.33 in) |
Width | 442 mm (17.40 in) |
Depth | 446 mm (17.55 in) |
Weight | |
Chassis only | 15 kg (33.06 lbs) |
Communication interfaces | |
Primary remote interfaces | Ethernet, RS232, USB |
Electrical Measurement Module (EMM) Connection | Banana jack Maximum 30 V dc w.r.t. chassis ground |
Aux drivers | 4 external Solenoid Drivers 24 V dc. 100 % duty cycle when turned, reducing to 40 % shortly after. |
Operating characteristics | |
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Control precision (Dynamic mode) | |
PM200-BG2.5K | 0.005 % Range Span |
PM500 <20 kPa full scale | 0.002 % Range Span |
All other ranges | 0.001 % Range Span |
Control turndown | 10:1 (typical) |
To meet the control specifications, supply pressure should not be greater than 10 times the range of the measurement module. Control turndown is defined as the relationship between the provided supply pressure and the appropriate supply pressure for the range. For example, a unit with a 7 MPa (1000 psi) and 700 kPa range (100 psi) with a supply pressure of 7.7 MPa (1100 psi) provides control precision of 0.001 % range because 7 MPa is 10 times greater than 700 kPa. A system with ranges of 20 MPa (3000 psi) and 700 kPa (100 psi) with supply pressure of 22 MPa (3300 psi) will have 0.001 % range control precision on the 20 MPa range but only 0.003 % control precision on the 700 kPa range. Control precision of 0.001 % on the low range can be achievedby reducing the supply pressure. | |
Low Control Point | 1 kPa (0.15 psi) absolute |
Settling Time (typical) | |
PM200-BG2.5K | 40 seconds |
All other PM200 ranges | 20 seconds |
PM500 £20 kPa Full Scale | 45 seconds |
PM500 >20 kPa Full Scale | 30 seconds |
Typical settling time is the time required to be within 0.005 % of the setpoint for 10 % steps into volumes of 0 to 50 cm3 and pressures above 50 kPa (7.25 psi) absolute. Lower absolute pressures require longer settling times depending upon quality of the vacuum pump, diameter and material of tubing used, and test volume. | |
Maximum Overshoot | 0.02 % Range Span |
Pressure Limits | |
Working Pressure Range | -97.90 kPa (-14.2 psi) gauge to 20 MPa (3000 psi) gauge |
Supply Port | 23 MPa (3300 psi) gauge |
Test Port | 20 MPa (3000 psi) absolute |
Reference Port | 115 kPa (17 psi) absolute |
Vent Port | 150 kPa (22 psi) absolute |
Relief Valves | |
Chassis Supply port relief valve is set to 24.1 MPa (-0/+700 kPa), 3500 psi (-0/+100 psi) | |
Exhaust port relief valve is set to ~830 kPa (120 psi). | |
Each Pressure Measurement Module (PMM) includes a module-specific pressure protection device. | |
Supply Gas Type | |
Clean Dry Air or Nitrogen (Industrial Grade, 99.5 %) | |
Maximum Particulate Contamination | ≤1.25 micrometer (50 microinches) |
Maximum Moisture Content | -50 °C dew point |
Maximum Hydrocarbon Content | 30 ppm |
Vacuum Supply | |
>50 liters per minute capacity with Auto Vent feature | |
Exhaust gas will pass through the vacuum supply. Appropriate protections should be taken when operating at higher pressures. | |
Source | |
Loop Compliance Voltage | ³24 V dc @ 20 mA (without 250 W built in resistor) |
³19 V dc @ 20 mA (with 250 W built in resistor) | |
Switch Testing | |
Current Limits | £4 mA |
Conditions | Closed >1.5 mA, Open <0.5 mA |
HART Communication and Functions | |
HART Modes | HART mA measurement with 24 V (Loop) |
Automatic HART Detection | HART connected with automatic polling |
HART Selectable Resistor | Built-in 250 W loop resistor. Selectable ON/OFF |
HART Commands | HART universal and common practice commands (no device specific commands) |
Write Protection | HART Write enable/disable |
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