AGS4200 Standard Pressure Transducer

Pressure transmitter in silicon-on-sapphire technology

About the AGS4200 Standard Pressure Transducer

The unique Silicon-on-Sapphire sensor technology provides outstanding performance and gives excellent stability over a wide temperature range. The advanced sensor design consists of a piezo-resistive silicon strain gauge circuit, which is epitaxially grown onto the surface of a sapphire diaphragm to form a single crystalline structure. The sapphire sensor element is then molecularly bonded to a titanium alloy sub-diaphragm. This enables the sensor to endure higher over- pressures and provides superb corrosion resistance. The completed sensor exhibits virtually no hysteresis and excellent long-term stability. With outstanding insulation properties, the sapphire substrate allows the sensor to operate over a very wide temperature range without loss of performance.

Accuracy is ±0.25% with a typical over pressure limit of twice the rated pressure range, this together with the standard output of 4 … 20 mA and easy access for re-calibration affirm the excellent design. All models are supplied with integral 1/4”BSP or alternative pressure connections. Optional connections are available. The all titanium alloy wetted parts offer unbeatable corrosion resistance. Versions are also available offering IP66 sealing for installations requiring high levels of environmental protection.

Applications for the AGS4200 include the continuous monitoring of hydraulic systems with oil, gas, water and other process liquids, industrial, medical and aerospace industries. Also ideal for the measurement and control of pressure in refrigeration, pneumatic, compressor, HVAC and engine monitoring systems.

An optional ATEX certified version of this product is available approved for explosion protection for flammable gases (zone 0), dusts (zone 20) and mining areas (group I M1).



Measurement Range
0 - 0.5 bar to 0 - 1500 bar
0.25 %, optional ±0.1 %
0 - 5 V [13 - 30 VDC], 0 - 10 V [13 - 30 VDC], 10 mV/V [10VCD], 4 - 20 mA [13 - 36 VDC]
Pressure Type
Media temperature
-50 to +125 °C
Ambient temperature
-40 to +85 °C
Compensated temperature
-20 to +70 °C
Storage temperature
+5 to +40 °C
Total error band
±1.5 % FS for -20 to +70 °C
Thermal zero coefficient, typ.
<±0.015 % FS/K
Thermal span coefficient, typ.
<±0.015 % FS/K
Pressure media
All fluids compatible with titanium alloy
Electrical connection
Mating socket with screw terminal connections to DIN 43650, rated IP65, Cable entry PG 9
Environmental sealing
Pressure connection
¼“ BSP or ¼“ NPT male; others on request
Electromagnetic compatibility
Emissions EN61000-6-3, immunity EN61000-6-2
ATEX approval (model AGS4200 with 4 … 20 mA only)
Ex II 1G Ex ia IIC T4 Ga (zone 0), Ex II 1D Ex ia IIIC T135°C Da (zone 20), Ex I M 1 Ex ia I Ma (group I M1)
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