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Pressure Transmitter

Pressure Transmitter

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Model 167

Pressure Transmitter

Differential pressure sensor/transmitter

Pressure medium: air or other non-conductive gas

Accuracy: ±1.0%,±0.4%,±0.25%

Range: unidirectional: 25 Pa to 25000 Pa/bidirectional: ±10 Pa to ±10000 Pa

Signal output: 4-20mA, 0-5Vdc, 0-10Vdc

Overload: Forward and reverse 15PSL (100KPa)

General Description

The core component of the Model 167
series differential pressure sensor/transmitter is a capacitive pressure
sensor, which consists of a stainless steel diaphragm with a fixed
electrode forming a capacitor whose value varies with pressure. Using
the company's special patented technology carefully designed sensor
sensors and unique detection circuit to ensure good temperature
performance and long-term stability of the product.

Model 167 differential pressure sensor/transmitter can be used to
measure differential or gauge pressure with outputs of 0-5V, 0-10V,
4-20mA, and can also be customized for other outputs. The accuracy of
Model 167 was ±1.0%FS, 0.4%FS or 0.25%FS at room temperature. The
temperature compensation ranges from 4 ℃ to 77℃, and the temperature
effect is less than ±0.05%FS/℃.

167 has excellent performance-price ratio, widely used in HVAC,
environmental pollution control, clean engineering, medical instruments
and equipment, oven pressurization and furnace pressure control, natural
gas, gas pipe network monitoring, underground ventilation and power
plant wind pressure monitoring and other fields.


LED pressure status display

DIN35mm guide rail installation

European pluggable terminal

The positive/negative pressure end can withstand at least 100kPa overload without damage

With temperature compensation capacitive sensitive element, to ensure the transmitter excellent movement State/static temperature performance

Multiple pressure interfaces/output forms/installation modes are optional

True zero output of voltage

Asymmetrical bidirectional differential pressure range is optional

Full protection of misconnection

Meet the CE standard

Environmental protection design, in line with ROHS standards

Minimum pressure range of 10Pa

Technical Data
ParameterStandardSpecial selectionSpecial selection
Accuracy RSS*(under constant temperature)±1.0%FS±0.40%FS±0.25%FS

nonlinearity(best fitting line)

Temperature effect
Zero point/Full range offset(/℃)±0.05%FS±0.03%FS±0.02%FS
Compensation range4℃ to 77℃
Maximum static pressure15PSI(100kPa) 
OverloadBoth positive and negative are 15PSI(100kPa)
Stability ratio±0.5% FS/YR
Preheat5 seconds to reach the performance specification
Installation position effectWhen factory calibration, the sensor is placed vertically. In order to ensure accuracy, necessary fine tuning should be made when installing other positions at zero point

Environmental and mechanical parameters
Operating temperature-18℃ to 77℃
Storage temperature-40℃ to 85℃
Light tube indication

No light tube light: the negative pressure is too high or the power is not connected

Green light tube bright: normal operation

Red/green tube lighting up simultaneously: too high forward pressure

                                                            Electircal connection
12-24 standard wire, 5.0mm spacing pluggable European terminals
Pressure connection3/16"、φ8、φ6.5 brass tower pressure connection(optional)
Zero adjustment
The zero point can be fine-tuned through the top adjustment hole
Pressure mediumAir or other non-conductive gas
ShellStainless steel/PC+ABSalloy,94V-0
InstallationDIN35mm guide rail installation
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