Holykell
Pressure Sensors
Products Overview
A pressure sensor (pressure transmitter) converts the physical quantity ‘pressure’ into an industry-standard signal. Holykell provide pressure sensors: for refrigeration and air-conditioning applications, the food industry, mobile working machines, medical gases and the semiconductor industry. We can also build custom sensors to meet your specific needs. Our pressure sensors offer accuracies starting from 0.05 %, measuring ranges from 20inWc … 200,000 psi, digital interfaces such as RS485 I²C RS232 SDI-12, multiple international approvals, and hazardous areas.
Differential pressure
HPT700H Standard Industry
HPT700H Standard Industry Differential Pressure Transducers get all the great performance characteristics of the Micro-Machined Silicon Transducers in these 316 stainless steel differential pressure models.
HPT700S Standard Industrial
HPT700S Differential pressure sensing technology offers 0.25% accuracy with static operating pressures up to 4MPa. With its digital compensation, the HPT700 DP offers excellent linearity and performance over temperature,long, reliable service life with excellent long term stability.
HPT701 Air Differential
Air Differential Pressure Sensor is precision engineered for monitoring differential pressure of air and compatible gases in industrial and OEM applications with high accuracy.
HPT702 Air Differential
Low range air differential pressure transmitter provides an accurate solution available from 0-200kpa max or ±100kpa DP. Incorporating the latest silicon sensor and electronics technologies, 4-20mA transmitters are fully temperature compensated for unrivalled stability at very low pressure.
HPT703 Micro Differential
HPT703 Micro Differential Pressure Transmitter provides an accurate solution for low pressure sensing with ranges available from 0-250pa to 0-25Kpa. With variable capacitance sensing technology and argon arc welded sensitive components,it's advanced circuit linearity and temperature compensation technology makes better transmitter performance.
HPT708 Monocrystal Silicon
HPT708 DP transmitter for Oxygen clean sensors & instruments which have sensor cells that are dry or filled with a halocarbon oil fill, which will not burn when exposed to an ignition source in an Oxygen environment.
HPT710 Micro Differential
HPT710 is a micro differential pressure transmitter that can accurately and stably provide differential pressure with a wide application range. It adopts advanced silicon MEMS micro-pressure chip, and temperature compensation and linear compensation, signal amplification processing. Different outputs including 4~20mA, 0.5V~4.5Vdc, I2C and RS485 are supported.
Food Grade
HPT601 Flat Diaphragm
Flat diaphragm pressure sensor with sanitary flush diaphragm. All process connections of the flush pressure transmitter are made of stainless steel, fully welded and isolate the process medium from the pressure measuring instrument via a positive seal.
HPT602 Flush Diaphragm
Tri-Clamp type flat diaphragm sanitary pressure transmitter,can be customized to 150 ℃. A reliable, dead-space free sealing between the process connection and the measuring medium is thus assured.
Industrial Type
HPT200-EX Explosion Proof
The HPT200-EX intrinsically safe pressure transmitter is designed for use in hazardous environments and offers a reliable pressure measurement, specifically for the high demands of industrial oil and gas applications.
HPT200-G Pressure Sensor
HPT200-G pressure transducer with display Industrial Pressure Transmitter with high quality piezoresistive pressure sensor, it can read value locally, easy for use.
HPT200-HT Pressure Sensor
High temperature pressure sensor HPT200-HT uses high quality diffused silicon pressure sensor or sapphire pressure sensor, designed for extreme conditions, the media temperature up to 200°C. With a wide temperature range and precise pressure measurements, it ensures reliability and safety in demanding industrial applications.
HPT200 Universal Industrial
Industrial pressure sensor use high quality Measuring range imported U.S.A piezoresistive pressure sensor, Complete with a fully welded316 stainless steel housing, high shock and vibration and EMI/RFI protection. The Hirschmann, directly cable and M12*4PIN interface with SDI and I2C output.
HPT300-S Universal Pressure
The HPT300-S series Pressure transmitter with ceramic chip applied in the engine fuel pressure, hydraulic pressure and gas pressure industries, which adopted the Flush Ceramic piezoresistive technology.
HPT907C Economic Air
Economic air pressure sensors is especially designed for Racing Car and Track gas brake systems, it sets a new performance standard for low cost, high volume, commercial and industrial applications.
Pressure Switch
PS300 Electronic Pressure
The electronic pressure switch is an intelligent product with LED display. It features functions of both pressure detection and control. The isolation-based silicone oil-filled diaphragm is used as a sensing component. It has the advantages of high precision, small size, easy operation and simple installation. It is widely used in pressure control and automatic process control systems in chemical, mechanical and electrical systems.
Pressure Type
CYX19 Piezoresistive Pressure
CYX19 high stable OEM sensor is the piezoresistive pressure sensor with isolated construction and precise compensation. It uses high stable silicon die. Stainless steel 316L housing with diameter Ф19mm.
CYX20 Piezoresistive Differential
CYX20 Piezoresistive differential pressure sensor is OEM differential pressure sensor with stainless steel isolated diaphragm. It has integrated construction, high static pressure, high stability and good reliability.
Process Control
HK51 Smart Mono
Monocrystalline Silicon Pressure Transmitter with its 4 ... 20 mA, 4 ... 20 mA HART, PROFIBUS PA or FOUNDATION Fieldbus output signals, combined with either intrinsically-safe or flameproof ignition protection (in accordance with ATEX).
HK55 Mono crystalline
High Stability Monocrystalline Silicon pressure Transmitter featuring standard DP-Style design. With its 4 ... 20 mA, 4 ... 20 mA HART, PROFIBUS PA or FOUNDATION Fieldbus output signals, combined with either intrinsically-safe or flameproof ignition protection (in accordance with ATEX).
HK71 Monocrystalline Differential
HK71 In-Line Monocrystalline differential pressure transmitters are the industry standard for gage and absolute pressure measurement. The in-line, compact design allows the transmitter to be connected directly to a process for quick, easy and cost effective installation.
HK75 Smart Monocrystalline
Differential pressure transmitter adopts single crystal silicon pressure sensor technology and packaging process to measure steam, combustible gas, liquid (standard and corrosive). Innovative "dual compensation" technology can achieve a high precision of 0.075% F.S. The OLED display and Hastelloy housing make reading easier, with a lifespan of up to 10 years.
HPT700H Standard Industry
HPT700H Standard Industry Differential Pressure Transducers get all the great performance characteristics of the Micro-Machined Silicon Transducers in these 316 stainless steel differential pressure models.
HPT700S Standard Industrial
HPT700S Differential pressure sensing technology offers 0.25% accuracy with static operating pressures up to 4MPa. With its digital compensation, the HPT700 DP offers excellent linearity and performance over temperature,long, reliable service life with excellent long term stability.
HPT701 Air Differential
Air Differential Pressure Sensor is precision engineered for monitoring differential pressure of air and compatible gases in industrial and OEM applications with high accuracy.
HPT702 Air Differential
Low range air differential pressure transmitter provides an accurate solution available from 0-200kpa max or ±100kpa DP. Incorporating the latest silicon sensor and electronics technologies, 4-20mA transmitters are fully temperature compensated for unrivalled stability at very low pressure.
HPT703 Micro Differential
HPT703 Micro Differential Pressure Transmitter provides an accurate solution for low pressure sensing with ranges available from 0-250pa to 0-25Kpa. With variable capacitance sensing technology and argon arc welded sensitive components,it's advanced circuit linearity and temperature compensation technology makes better transmitter performance.
HPT708 Monocrystal Silicon
HPT708 DP transmitter for Oxygen clean sensors & instruments which have sensor cells that are dry or filled with a halocarbon oil fill, which will not burn when exposed to an ignition source in an Oxygen environment.
HPT710 Micro Differential
HPT710 is a micro differential pressure transmitter that can accurately and stably provide differential pressure with a wide application range. It adopts advanced silicon MEMS micro-pressure chip, and temperature compensation and linear compensation, signal amplification processing. Different outputs including 4~20mA, 0.5V~4.5Vdc, I2C and RS485 are supported.
Refrigeration & HVAC
HPT300-C2 Refrigeration Pressure
Refrigeration pressure sensor adopts the latest generation of ceramic pressure core, which can be used in a low temperature environment of -35-125°C. The shell adopts a "passivation" process, which is not affected by moisture and condensation. It is widely used in refrigeration and HVAC systems and is compatible with various types of refrigerant measurement.
HPT300-C3 HVAC Pressure
This HAVC pressure sensor is specially developed for refrigerant pressure measurement. It uses ceramic capacitive sensitive components and measures absolute pressure and sealed gauge pressure.
HPT300-S1 Compact Pressure
Compact OEM pressure sensor with integrated Germany Ceramic sensors for manufacturing, and the advanced circuit design to avoid influences on the product caused by the temperature, humidity, and medium.
Special Customize
HPT906 Thin Film
Thin film hydraulic pressure sensor sputtered thin film pressure transducer unit offers an unbeatable price/performance ratio in a small package size. It features all-stainless steel wetted parts, and hermetically sealed enclosures without O-rings.
Wireless Pressure Sensor
H2601 Wireless Pressure
Wireless pressure sensor is a kind of intelligent wireless communication instrument with low power consumption and high explosion-proof property. Based on the mature HOLYKELL iot cloud platform and various mobile terminal wireless transmission modes, it provides the best solution for remote monitoring of water pressure and oil pressure.