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Differential Pressure Transmitter For Oxygen Pressure Use

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Product Name:Differential Pressure Transmitter For Oxygen Pressure Use

Differential Pressure Transmitter For Oxygen Pressure Use

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Product Description:

MDM490 Differential Pressure Transmitter Introduction
MDM490 uses piezoresistive differential pressure sensor as sensing element. Silicon oil is filled in between die and two diaphragms, when measured differential pressure is added on two diaphragm, the pressure could be transferred onto die through silicon oil. Sensor die connects with amplifier circuit through wires, using semi-conductors piezoresistive effect, transforming differential pressure signal into electric signal. The whole product is used for differential pressure measurement of petroleum, chemiindustry, power station and hydrology, etc.

MDM490 Differential Pressure Transmitter Environment Condition

Shock effect: 1% at 3gRMS, 30Hz~2000Hz
Impact: 1% at 100g, 10ms
Media: liquid or gas which is compatible with construction material

MDM490 Differential Pressure Transmitter Electric Performance

Power supply: 2-wire 15V~28V DC; 3-wire 15V~28V DC
Output signal: 2-wire 4mA~20mA DC; 3-wire 0/1V~5V DC 0mA~10/20mA DC
Electrical connection: plug connection or 7.2mm 7-pin cable
Response time(10%~90%): 1ms
Insulation resistor: 100M,500V DC

MDM490 Differential Pressure Transmitter Features

Full stainless steel construction, compact size, easy installation;
Laser welding, full-sealed construction; protection IP65;
Using piezoresistive differential pressure sensor, 316L isolated diaphragm;
Temperature compensation and aging, stable performance;
Zero and span adjustable outside;
Ex-proof version MDM490 conforms to GB3836.4 Exia CT6 Ga standard;ex-proof certificate is approved;
Ship-use product conforms to CCS Rules of Classification of Sea-going Steel Ships(2018); ship-use certificate is approved;
CE and RoHS certificates.

MDM490 Differential Pressure Transmitter Specification

Range code	0A	02	03	07	08	09	10	12	13
Unit	bar
Measure range	0~0.35	0~0.7	0~1	0~2	0~3.5	0~7	0~10	0~20	0~35
+overpressure	0.7	1.5	2	4	7	14	20	40	70
-overpressure	0.35	0.7	1	2	3.5	7	10	10	10
Max.static pressure	200bar

Item*		Min.	Typ.	Max.	Unit
Accuracy	0bar 1bar		0.25	0.5	%FS
	2bar 35bar		0.25	0.5
Zero Thermal error	0bar 1bar		0.75	1.25	±%FS, @25
	2bar 35bar		0.5	0.75
FS Thermal error	0bar 1bar		0.75	1.25
	2bar 35bar		0.5	0.75
Stability	2bar	0.5			%FS/year
	35bar	0.2
Static pressure effect		0.05			±%FS, each 1bar
Compensation temp.		0~50
Operation temp.		-30~80 ; -10~70(Cable)
Storage temp.		-40~120; -20~85(Cable)