HELM sensor, pressure transmitter HELM HELM liquid level sensor, the HELM differential pressure sensor transmitter, HELM high-frequency pressure transmitter 

 General Machinery International Trading (Shanghai) Co., Ltd. deals on behalf of the sales the HELM pressure sensors, the HELM pressure transmitter, HELM liquid level sensor, the HELM differential pressure sensor transmitter, HELM high-frequency pressure transmitter 
 HM29 digital? Smart pressure / differential pressure transmitter is Germany HELM market demand for mainland China developed a high-precision digital intelligence products, the series uses the German the HELM highest performance of the sensor chip, combined with single-chip computer technology and sensor-digital converter technology is well-designed. The core components of the 24 AD MCU microprocessors, its powerful features and high-speed computing power to ensure the excellent quality of the transmitter. The entire design frameworks focus on reliability, stability, precision and intelligence, to meet the requirements of the increasing industrial field applications. Products supporting software also has powerful features, without manual operator to ensure a good interaction. Application of digital signal processing technology, it has excellent anti-jamming capability. And with zero automatic stabilizers tracking capability (ZSC) and automatic temperature compensation capacity (TSC). 
 HM91 micro pressure sensor and transmitter for the measured flow field, placed in the location or dynamic frequency response requirements, must be in situ pressure measurement, it is often the miniaturization of the sensor dimensions of the more stringent requirements, and without reproduce pulsatile flow changes of the Flowfield state case. HM91 micro-, ultra-thin pressure sensor and transmitter to the above conditions requirements. It, the series German the HELM pressure sensor silicon stacked silicon technology and integrated high-precision pressure resistance of sensitive components, the use of international advanced production of micro- and packaging technology, sophisticated and ingenious miniature package, its small size, compact structure, light weight, durable, and has excellent static and dynamic characteristics. 
 Product Use 
 Widely used in aerodynamic research, aircraft and engine testing, wind tunnel tests, fluid mechanics and hydraulic test, abbreviated model test, a turbine and underwater weapons testing and biomedical applications, chemical explosion or a nuclear blast, and many other research areas in. 

 Features 
 The ◇ span a wide range of from-100KPa 0 ~~ 10KPa ... 6MPa ... 40MPa ... 60MPa between any range 
 ◇ small size, high-frequency dynamic response 
 ◇ dynamic pressure sensors, miniature pressure sensor minimum diameter of 2.54mm, 3.77mm length 
 ◇ high accuracy can be achieved up to 0.1% FS 
 The ◇ wide temperature range, from low temperature -40 ° C to high temperature +120 ° C (special to +175 ° C). 
 ◇ long-term stability, resistance to a variety of harsh environments 
 ◇ inherent high frequency: 20KHz to 2MHz 
 ◇ can be specially customized according to customer requirements 

 Performance parameters 

 Measuring range-100KPa ~ 0 ~ 10KPa ... 20KPa ... 6MPa ... 40MPa .. 60MPa 
 Overload 2 times full scale pressure 
 Pressure type gauge pressure or absolute pressure 
 Measuring the gas or liquid media compatible with 316 stainless steel 
 Integrated precision of ± 0.1% FS ± 0.25% FS ± 0.4% FS 
 Natural frequency 0 ~ 150KHz to 700KHz 0 ~ 500KHz ~ 1MHz 2MHz above 
 Transmitter bandwidth of 0 ~ 1KHz ~ 20KHz, 3KHz 0 ~ 0 ~ 200KHz 
 Rise time of 0 ~ 0.2mS 75μS 0 ~ 12μS 0 ~ 1μS 
 Long-term stability is typical: ± 0.1% FS / year: ± 0.2% FS / year 
 The working temperature is generally -40 ℃ ~ 85 ℃ special for -10 ℃ ~ 120 ℃ 
 Typical zero temperature drift: ± 0.02% FS / ℃ Max: ± 0.05% FS / ° C 
 Typical sensitivity, temperature drift: ± 0.02% FS / ° C: ± 0.05% FS / ° C 
 Supply range of 12 to 36VDC (24VDC) ± 15VDC standard power 
 Signal output sensor: 1.5 to 4.5mV / V Transmitter: 4 ~ 20mA / 0 ~ 5VDC 
 Load resistance ≤ (U-12) / 0.02Ω 
 Insulation resistance ≥ 1000MΩ (100VDC When) 
 Shell protection cable connected is IP65 IP67 connectors 

 Linear vibration of 10-2000Hz sine wave, ≤ 100g 
 Infinitely small resolution (theory), 1/100 000 (usually) 
 Interface and the shell of stainless steel 1Cr18Ni9Ti