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Product Range
Pressure Instruments
- Pressure Gauges
- Pressure Transmitters
- APR2000G - SMART
- PD6800 - With Display
- P8700 - OEM
- C3200 - Compound
- LR1200 - Low Pressure
- S6500 - High Temperature
- U3200 - High Accuracy
- FM4400 - Flushmounted
- ZS5200 - Zero / Span
- TC2700 - Sanitory
- PX9000 - Intrinsically Safe
- MSX - Ex-Proof
- CP6700 - Cryogenic
- PC1000 - PCB Mounted
- MT2200 - Mud
- IPW4 : I to P Converter
- PVG : Digital Pirani Gauge
- VCP64 : Vacuum Transducer
- Pressure Switch
- Differential Pressure Switch
- Digital Pressure Gauge
- Differential
  Pressure Transmitter
- Melt Pressure Transmitters
Temperature Instruments
Level Instruments
Flow Instruments
Humidity Instruments
Cleanroom Instrument
HVAC / BMS Sensors
Air Quality Sensors
Water Quality Sensors
VAV Boxes
BTU Meter
Indicators & Controllers
Portable Instruments
APR2000G : SMART Pressure Transmitter
Model : APR2000G
Type : SMART
Range : 0 to 400 bar
Output : 4 - 20mA, HART
Accuracy : ± 0.075% of F.S
Temperature Limits : -25 to 125ºC
Over Pressure : 4X
Omicron’s APR2000 SMART pressure transmitter provides a kind of reliable measuring way. It is used for measuring differential pressure (or pressure), level, density of liquid, gas or steam and convert the value of above into current signal output or digital protocol output. The pressures are directly applied to the isolating diaphragm that provide isolation and resistance against process fluid corrosion. Being microprocessor based, the electronic circuit is extremely versatile and accurate. Combined with the sensor precision, it provides the high accuracy and range ability. Transmitter performance is improved by continuous monitoring of the sensor temperature and corresponding corrections. A local display permits easy reading and writing of data.

Overview :

The APR 2000’s design is offered for Differential Pressure (DP), Gage Pressure (GP) and Absolute Pressure (AP) measurements. The APR 2000 utilizes capacitance sensor technology for DP measurements. The major components of the APR 2000 is the sensor module and the electronics housing. The sensor module contains the oil filled sensor system (isolating diaphragms, oil fill system, and sensor) and the sensor electronics. The sensor electronics are installed within the sensor module and include a temperature sensor (RTD), a memory module, and the capacitance to digital signal converter (C/D converter). The electrical signals from the sensor module are transmitted to the output electronics in the electronics housing. The electronics housing contains the output electronics board (microprocessor, memory module, digital to analog signal converter or D/A converter), the local zero and span buttons, and the terminal block.

With APR 2000 design the pressure is applied to the isolating diaphragms, the oil deflects the center diaphragm, which then changes the capacitance. This capacitance signal is then changed to a digital signal in the C/D converter. The microprocessor then takes the signals from the RTD and C/D converter calculates the correct output of the transmitter. This signal is then sent to the D/A converter, which converts the signal back to an analog signal and superimposes the HART signal on the 4-20 mA output.

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