WP421A Intrinsically Safe 250℃ Negative Pressure Transmitter

Short Description:

WP421A Intrinsically Safe 250℃ Negative Pressure Transmitter is assembled with imported heat resistant sensing components to withstand high temperature process medium and heat sink construct to protect upper circuit board. The sensor probe is able to operate stably for long periods of time at 250℃ high temperature condition. The internal lead holes are filled with high-efficiency thermal insulation material aluminium silicate, which effectively prevents heat conduction and ensures the amplification and conversion circuit part operate at allowable temperature. Structural design can be upgrade to explosion proof to further enhance its resilience in severe operating condition. Negative pressure down to -1bar is acceptable as the measuring span.

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Product Detail

Product Tags

Application

WP421A High Temperature Pressure Transmitter can be widely used to measure and control high temperature process medium for various industries:

✦ Coal Mine
✦ Boiler System
✦ Thermal Power Plant
✦ Furnace
✦ OIL & GAS
✦ Pump & Valve
✦ Building Automation

Feature

Various signal output options

HART/Modbus smart comms. available

Welded cooling fins structure

High precision 0.1%FS, 0.2%FS, 0.5%FS

Robust thermal resistant construction design

Operating temperature: 150℃, 250℃, 350℃

Configurable LCD or LED field display

Explosion-proof type: Ex iaIICT4, Ex dIICT6

Specification

Item name	Intrinsically Safe 250℃ Negative Pressure Transmitter
Model	WP421A
Measuring range	0—(± 0.1～±100)kPa, 0 — 50Pa～1200MPa
Accuracy	0.1%FS; 0.2%FS; 0.5 %FS
Pressure type	Gauge pressure(G), Absolute pressure(A),Sealed pressure(S), Negative pressure (N).
Process connection	G1/2”, M20*1.5, 1/2"NPT, Flange DN50, Customized
Electrical connection	Terminal block cable gland, Customized
Output signal	4-20mA(1-5V); Modbus RS-485; HART; 0-10mA(0-5V); 0-20mA(0-10V)
Power supply	24VDC; 220V AC, 50Hz, Customized
Compensation temperature	-10～70℃
Ambient temperature	-40～85℃
Medium temperature	150℃; 250℃; 350℃
Explosion-proof	Intrinsically safe Ex iaIICT4; Flame proof Ex dIICT6
Material	Housing: Aluminium alloy
	Wetted part: SS304/316L; Hastelloy C-276; Monel, Customized
Media	High temperature liquid, gas or fluid
Indicator (local display )	LCD/LED, Smart LCD
Maximum pressure	Measurement upper limit	Overload	Long term stability
	<50kPa	2~5 times	<0.5%FS/year
	≥50kPa	1.5~3 times	<0.2%FS/year
Note: When range <1kPa, only no corrosion or weak corrosive gas can be measured.
For more information about WP421A High Temperature Pressure Transmitter please feel free to contact us.