Introduction:

AC13 flush diaphragm pressure sensor series are based on piezoresistive silicon pressure sensors packaged in a 316L stainless steel housing. The sensing package utilizes silicon oil to transfer pressure from the 316L diaphragm to the sensing element.
The sensor was welded in front end of a fitting (M20X1.5 or G1/2 made by Stainless Steel 316L).
Each sensor was strictly temperature compensated for both zero and span.

Features:

* Low cost OEM
* Pressure range:0-40Kpa…7Mpa
* Wide operable temperature range -40-125℃
* Compatible with corrosive media
* Standard mounting size
* Typical output:0-100mV

Application:

* Process control
* Fresh and waste water measurements
* Medical and food instruments
* Pressure transmitters

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Flush Diaphragm Pressure Sensor

Specifications of current excitation(1.5mA, 25℃)

Parameters Min. Typical Max.
Accuracy(%FS)
Non-Linearity1 40Kpa ±0.20 ±0.30
>40Kpa ±0.10 ±0.20
Hysteresis ±0.05 ±0.1
Repeatibility ±0.05 ±0.1
Output(mV)
Zero2 -5 ±1 5
Span(FS) 70
Temp. characters
 Operation Temp.(℃)3 -40 125
Compensation Temp(℃) 40Kpa 0 50
≥100Kpa -10 70
Zero Temp.error(%FS) ±0.75 ±1.0
Span Temp. error(%FS)4 ±0.75 ±1.0
Thermal hysteresis(%FS) 0.1
Long term Stability
Zero (±%FS annual) 0.2
Span (±%FS annual) 0.1
Supply Current 0.5mA 1.5mA 2mA
Input Resistance 2kΩ 2.5kΩ 3kΩ
Output Resistance 2.5kΩ 3kΩ 3.7kΩ
Load Resistance5 5MΩ
Insulation Resistance(100V)6 100MΩ
Pressure Range 0-40Kpa…7Mpa
Pressure
Overload
≤4Mpa 2X
7Mpa 1.5X
Pressure Media Liquids and Gases compatible with 316L Stainless Steel

Remark:
1. Best fit straight line
2. Measured at vacuum for absolute (A), ambient for gage (G)
3. Maximum temperature range for product with standard cable is -20°C to +105°C
4. Over the compensated temperature range with respect to 25°C
5. Load resistance to reduce measurement errors due to output loading
6. Between case and sensing element

Model Description
AC13 Flush Diaphragm sensor(SS 316L fitting)
Code Power Supply
C Constant Current
Code Pressure Range Gauge Absolute
40K 0-40Kpa *
100K 0-100Kpa * *
160K 0-160Kpa * *
400K 0-400Kpa * *
600K 0-600Kpa * *
1M 0-1Mpa * *
1.6M 0-1.6Mpa * *
2.5M 0-2.5Mpa * *
4M 0-4Mpa * *
7M 0-7Mpa * *
XX Special
Code Pressure Reference
G Vent Gauge Pressure(W/O vent tube as default)
GT Vent Gauge Pressure(With vent tube )
A Absolute Pressure
S Sealed Gage
Code Fitting
1 M20X1.5(Stainless Steel 316L)
2 G1/2(Stainless Steel 316L)
Example: X Special
AC13 C 600K G 1
Model  Current Supply 0-600Kpa Vent Gauge M20X1.5(SS 316L) AC13C-600K-G1
Remark: 1. Can provide vacuum test sensor of vent gauge, need consulted with factory
2. Can provide constant voltage sensor as required(Specification refer to A11 series)

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