Specifications
Differential Pressure Transmitter
1.Accuracy:+-0.075%
2.Output:4-20mA/Hart-RS485
3.Range:-100pa to 40Mpa
4.IP67 protection
 
R3351 series is a digital differential pressure transmitter designed for industrial pressure measurement applications. The KH3351 offer Configurations for Differential, gas, absolute pressure and vacuum liquid-Level measurements including integrated solutions for pressure, level and flow.
Features

• Improved performance, increased accuracy, greater stability, Intelligent
• Direct frequency signal output
• Digital accuracy: ±0.05%
• Analog accuracy: ±0.075% ~ ±0.1% FS
• Completer performance accuracy: ±0.025%FS
• Five Years stability of 0.25%
• Range Ratio: 100:1
• 200ms measurement rate
• Parameter setting by pressing button
• High zero anti-interference and stability plus ZSC and TSC.
• Small stainless steel flange(2.7kg,199mm), easy to be mounted
• Process connection compatible with other products
• Improved cold and hot stability by H alloy sheathed
• Standard 4-20mA output with communication keyboard and RS485 interface, no need manipulator
• Supporting technical updating between field bus and filed-control

Specifiction
.Process Fluid :Liquid, gas, vapor
.Application :Differential pressure, gauge pressure, absolute pressure
.Measuring Range :-100Pa to 40Mpa
.Measuring Accuracy :±0.2% to±0.25% FS
.Linear output : 0.075%±0.1%
Range ratio : 1:1
.Digital accuracy :±0.05%.
.Stability :5 years of 0.25%
.Ambient temperature :-40°C to 85°C.
Ambient Humidity :0-95%RH
.Humidity limits :0-100%RH relative humidity
.Turn on time :2S with minimum damping
.Damping adjustment :0-32S
.Material
Flange/Adaptor : Stainless Steel 316L/Monel/ Hastelloy/Carton Steel
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
Converter housing: Low copper cast aluminum alloy with Polyurethane paint
Fill Fluid : Sillicon/ Fluorine Oil
Enclosure :IP67 ( Standard)
: Intrinsically Safe EEx ia IIC T5
: Explosion proof Ex D IIC T5
Output Signal : 4-20mA current output
: HART( RS485 port with communication keyboard, without hand held communicator
.Power Supply: 12V to 45VDC, 24VDC as standard
Power Connection: cable, air plug, Hirschman plug
Vibration Effect: +/-0.05% of URL per g to 200 Hz in any axis
Process Connections: 1/2NPT, 1/4NPT
Protection Class: IP67
Weight: 2.7KG