徐州威卡电子控制技术有限公司

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Mh-4

Mh-4 is a pressure sensorspecially developed for construction machinery applications. It integrates themature WIKA film technology and the latest generation of WIKA electroniccomponents into an super compact design, which has excellent measurementperformance and steadiness. Meanwhile, a wide range of various output signals,various forms of interface and process connection are the standardconfiguration of Mh-4, which is the most economic solution for mobilemechanical hydraulic system.

Suitable for outdoorextreme working conditions, working temperature -40～+125℃
Specially designed for construction machinery and has higher anti-vibrationperformance

A-10

A-10 pressure sensor is suitable for the application of general industrial region and is capable to provide the measurement of minimum range.

Measurement range：0 … 0.005 MPato 0 … 100 MPa
Accuracy： 0.5 %BFSL or 0.25 %BFSL option

S-20

S-20 pressure sensor is the ideal solution for customer with high accurate measurement, It can meet all the application requirement and is capable to provide accurate measurement no matter in the fierce shock and vibration environment of machinery manufacture industry under the condition of outdoor low temperature or in the corrosive medium of chemical industry.

Reliability and accuracy throughoutthe life cycle

MH-CAN

With the widespread application of CANopen technology inconstruction machinery industry, WIKA has launched MH-CAN series pressure sensorwith CANopen interface for mobile machinery. This series pressure sensorcombine WIKA’s rich experience in CANbus system and digital pressure sensorfield for many years, which can carry out self-diagnosis, identify fault statusand support extended communication encryption.

MHS

MHS safety pressure sensor realizes redundant measurementthrough redundant measurement bridge and two independent output signals, whichcan ensure real-times and accurate monitoring of control end. Compared withusing two independent pressure sensors, it improves the process reliability, savesspace and reduces installation cost.

Thesealed welded WIKA thin film measuring component, stainless steel housing andmetal M12 connector make the pressure sensor particularly solid. Through this soliddesign, it achieves I P69K protection level.

Technical parameter

Description	MH-4	A-10	S-20

Measurement range	0MPa~4MPa…100MPa	0MPa~0.005MPa…100Mpa	0MPa~0.04MPa…160MPa
Overload pressure	3×FS（max）	2×FS（max）	3×FS（max）
Supply voltage	DC 8 ... 36 V	DC 8 ... 36 V	DC 8 ... 36 V
Pressure medium	Liquid or gas
Signal output type	4~20mA、0.5~4.5V
Nonlinear error	≤±0.25%FS（max）	≤±0.3%FS（max）	≤±0.25%FS（max）
Repeatability error	≤±0.1%FS（max）	≤±0.1%FS（max）	≤±0.1%FS（max）
Lag error	≤±0.3%FS（max）	≤±0.1%FS（max）	≤±0.1%FS（max）
Comprehensive accuracy	≤±1%FS（max）	≤±0.5%FS（max）	≤±0.25%FS（typ.）
Working temperature	-40 ...+125℃	0 ... +80 °C（standard） -40 ...+100℃（optional）	-30 ... +100 °C（standard） -40 ... +125 °C（optional）
Medium temperature	-40 ...+125℃	0 ... +80 °C（standard） -40 ...+100℃（optional）	-30 ... +100 °C（standard） -40 ... +125 °C（optional）
Vibration	10~2000Hz,40g(IEC 68-2-64)	10~500Hz,20g(IEC 68-2-64)	10~2000Hz,20g(IEC 68-2-64)
Shock	100g，11ms(IEC 68-2-27)	500g，6ms(IEC 68-2-27)	100g，6ms(IEC 68-2-27)
Protection grade	IP67(IEC 68-5-29)	IP67(IEC 68-5-29)	IP67(IEC 68-5-29)
Life cycle	≥100 million cycles	≥100 million cycles	≥100 million cycles

Description	MH-CAN	MHS

Measurement range	0MPa~4MPa…60MPa	0MPa~6MPa…60MPa
Overload pressure	3×FS（max）	2×FS（max）
Supply voltage	DC 8 ... 36 V	DC 6.5 ... 32 V
Pressure medium	Liquid or gas
Signal output type	CANopen	Redundancy：4~20mA/20~4mA
Nonlinear error	≤±0.25%FS（max）	≤±0.5%FS（max）
Repeatability error	≤±0.1%FS（max）	≤±0.1%FS（max）
Lag error	≤±0.3%FS（max）	≤±0.1%FS（max）
Comprehensive accuracy	≤±1%FS（max）	≤±1.0%FS（max）
Working temperature	-40 ...+125℃	-40 ...+85℃
Medium temperature	-40 ...+125℃	-40 ...+85℃
Vibration	10~2000Hz,40g(IEC 68-2-64)	10~2000Hz,10g(IEC 68-2-64)
Shock	100g，11ms(IEC 68-2-27)	50g，11ms(IEC 68-2-27)
Protection grade	IP67(IEC 68-5-29)	IP69K(IEC 68-5-29)
Life cycle	≥100 million cycles	≥10 million cycles
Certification	CE,UL Safety, EAC	CE,UL Safety, EAC，Conform to PLd CAT 3 standard