ACM1 microfused pressure sensor series based on microfused technology which employs micromachined silicon piezoresistive strain gages fused with high temperature glass to a stainless steel diaphragm.

The sensor body is machined from a solid piece of 17-4PH stainless steel, All welded structure without O-ring allowing a leak-proof.

All the key processes were operated in our 10,000 class cleaning room.

Each sensor was strictly temperature compensated for both zero and span. Various pressure ports are available; For maximum meeting customer’s needs, Special design will be provided if required.


* Standard output 0-100mV
* Welded structure without O-ring
* Medium / High pressure(0-3.5Mpa…100Mpa)
* 5X burst pressure
* Compatible with corrosive media


* Process control
* Pressure transmitters

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Microfused Pressure Sensor

Excitation:5VDC, 25℃

Parameters Min. Typical Max.
Non-Linearity1 ±0.15 ±0.25
Hysteresis ±0.1 ±0.15
Repeatability ±0.1 ±0.15
Zero -2 ±1 2
Span(FS) 97 100±1 103
Temp. characters
Operation Temp.(℃)2 -40 125
Compensation Temp(℃) -10 70
Zero Temp.error(%FS)3 ±0.75 ±1
Span Temp. error(%FS)3 ±1 ±1.5
Long term Stability
   Zero (±%FS annual) 0.2
   Span (±%FS annual) 0.2
Supply Voltage 5 10
Input Resistance 5.0 6.6 8.0
Output Resistance 3.5 4.4 5.5
Insulation Resistance(100V)4 100MΩ
Recommended ≦50Mpa: 40Nm;  ﹥50Mpa:70Nm
Maximum 90Nm
Pressure Range 0-3.5Mpa…100Mpa
Pressure overload 2X or 130Mpa whichever is less
Pressure burst 5X or 130Mpa whichever is less
Pressure Media Liquids and Gases compatible with 17-4PH and 304 Stainless Steel

1. Best fit straight line
2. Maximum temperature range for product with standard cable is -20°C to +105°C
3. Over the compensated temperature range with respect to 25°C
4. Between case and sensing element

Model Description
ACM1 Microfused pressrue sensor
Code Pressure Range
3.5M 3.5Mpa
7M 7Mpa
10M 10Mpa
20M 20Mpa
35M 35Mpa
50M 50Mpa
70M 70Mpa
100M 100Mpa
XX Special
Code Housing mate options
A A type
B B type
C C type
D D type
X Special
Code Thread of pressrue port
1 1/4-18NPT
2 G1/4
3 M20X1.5
X Special
Code Electrical Connection
1 Connect Pins
2 Ribbon Cable(90mm as default)
X Special
Code Snubber
S With snubber
ACM1 35M C 2 1 S
0-35Mpa C type G1/4 Pins with snubber Model:ACM1-35M-C2-1S

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