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KH3351 Smart Differential Pressure Transmitter

View times:  Author:admin  Published time:2018-03-01

KH3351 Smart Differential Pressure Transmitter

KH3351 is a multi function smart digital pressure transmitter for industrial differential, gauge and absolute pressure measured for gas, liquid, vapor, widely applied in petroleum, metallurgy, chemicals, power, light industry, mechanical and environmental protection fields;

well-designed and developed by our own based on our years of rich industrial manufacturing experience, based on adopting modern advanced, mature and reliable capacitive sensor technology, combining with advanced single-chip computer technology and sensor digital conversion technology.

CPU adopts sixteen single chips with powerful features and high-speed match ability guaranteeing the transmitter in good quality and performance; its software using digital signal processing technology making it with excellent anti-interference ability and zero stability and zero automatic stable tracking ability (ZSC) and automatic temperature compensation ability (TSC).

Powerful screen features not needing hand held communicator can guarantee good interaction. LCD indicator can display digital pressure, temperature, current value and 0-100% analog indication. In case of non-standard pressure source, zero shifts, range setting, damping adjustment etc basic parameters can be set through key button; and also making re-calibration on the transmitter, greatly convenient for on-site calibration.

Serial communication interface can convert signal to 4-20mADC output by specified converter module, also can achieve remote transmission setting and monitoring through Hart protocol (RS485 module) to set and monitor remote transmission, directly connecting with the master, such as paperless recorder, controller, indicator etc instrument, HMI, IPC, PC, and Industrial Lan.

---Accuracy:Measured accuracy: ±0.2% to±0.25% FS,
              Digital 
---Stability : 5 years of 0.25%
---Power supply: 12V to 45VDC, 24VDC default
---Range:-100Pa to 40Mpa, Range ratio: 1:1
---Linear output: 0.075%±0.1%, range ratio:1:1
---Turn on time :≥0.2second
---Damping adjustment :0-32 second
---Fill Fluid : Sillicon/ Fluorine Oil
---Vibration Effect :±0.05% of URL  per g to 200 in any axis
---Output Signal:4-20mA current output
   HART( RS485 port with communication keyboard, without 
   hand  held communicator)
---Power Connection: cable, air plug, Hirschman plug---Process Connections: 1/2NPT, 1/4NPT                                        
---Material:
   Drains/Vents: Stainless Steel 316/ 
   Monel/ Hastelloy 
   Diagrams: Stainless Steel 316L/
   Monel/Hastelloy C/Tantalum
   Wetted O-Ring : Viton/ Buna-N
   Seal O-Ring : Viton/ Buna-N
   Bolts&Nuts : Carton Steel/Stainless Steel316
   Flange/Adaptor: Stainless Steel 316L/ 
   Monel/ Hastelloy/Carton Steel
   Converter house: Low copper cast aluminum alloy with 
   Polyurethane paint
---Enclosure: IP67 (Standard)
                       : Intrinsically Safe EEx ia IIC T5 
                       : Explosion proof Ex D IIC T5
---Protection Class: IP67
---Weight: 2.7KG
---Ambient temperature:
   -40℃ to 85℃
---Ambient Humidity: 
   0-95%RH
---Humidity limits:
   0-100%RH relative humidity

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