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Explosion Proof Pressure Transmitter LCD Display Diffusion Silicon Pressure Transmitter

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Melan Measurement & Control Instruments (Shanghai) Co.,Ltd.

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Explosion Proof Pressure Transmitter LCD Display Diffusion Silicon Pressure Transmitter

Model Number : ML2000W

Place of Origin : China

MOQ : 1pc

Price : Negotiation

Payment Terms : T/T

Supply Ability : 10000pcs per month

Delivery Time : 7-10 working days

Packaging Details : In Carton Packing

Product Name : Explosion Proof Pressure Transmitter LCD Display Diffusion Silicon Pressure Transmitter

Accuracy : ±0.2% or ±0.1%

Measuring Range : -0.1KPa~0~100KPa~40MPa (Max. 100MPa)

Medium Temperature : -20~90℃

Output : 4-20mA or Hart

Power Supply : 24VDC or 12VDC

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Explosion Proof Pressure Transmitter LCD Display Diffusion Silicon Pressure Transmitter

1. Introduction
ML2000W series diffusion silicon pressure transmitter adopts the advanced transducer as sensitive element. It applies shielding and eliminating process of new hit-resistant capacitance, RF, over current and strong voltage signal. The subsequent circuit has higher stability and capacity of resisting disturbance because the peripheral circuit layout and component selection are more reasonable than American TI (BB) company operational amplifier.

2. Working Principle:

Based on the piezoresistive effect of single crystal cinnamon, an elastic component is fabricated by advanced processing technology in a specific direction. Four strain resistors with equal resistance are fabricated by integrated circuit technology in their proper positions and connected to the Wheatstone Bridge. When a constant voltage (current) is applied to the bridge, when there is pressure (differential pressure) on the elastic element, the transmitter outputs a voltage signal linearly proportional to the pressure given by the medium, and then amplifies the voltage signal through an electronic circuit and converts it into a standard two-wire signal. According to its working principle, the main source of temperature drift is the temperature drift of the sensor part. Next, the working principle and characteristics of the sensor part of the pressure transmitter will be analyzed.

3.Technical Parameter

Accuracy: ±0.2% or ±0.1%
Measuring Range: -0.1KPa~0~100KPa~40MPa (Max. 100MPa)
Ambient Temperature: -20~85℃
Medium Temperature: -20~90℃
Storage Temperature: -40~85℃
Relative Humidity: <95%
Output: 4-20mA
Power Supply: 24VDC or 12VDC
Stability: Better than 0.1%FS Per Year
Overload Limit: 150%~300%
Upgrade Features:

①　Power supply non polar connection(Only analog circuit, 24VDC power supply)
②　Field or Outside lightning prevention design

3. Configuration

Type	Specification Code	Illustration
ML2¨¨¨W	---------------------------------	Diffused Silicon Pressure Transmitter
Transducer	0--------------------------------	Diffused Silicon Transducer
Accuracy	8--------------------------------	±0.2%
Accuracy	5--------------------------------	±0.1%
Output	8--------------------------------	4-20mA
Output	1--------------------------------	4-20mA, HART
	W--------------------------------
Contact Medium Mode	F--------------------------------	Remote Transmission Flange Installation Type
	G--------------------------------	High Temperature Heat Radiation Type(0-200℃)
	P--------------------------------	Flat Diaghragm Contact Type
	L--------------------------------	Thread Connection *
Connection Mode	2--------------------------------	Flange Connection (Note 1)
	3--------------------------------	M20x1.5 *
	4--------------------------------	Other Thread Connection (Note 2)
Measuring Range	1--------------------------------	0-5~35KPa
	2--------------------------------	0-35~100KPa
	3--------------------------------	0-50~200KPa
	4--------------------------------	0-100~350KPa
	5--------------------------------	0-200~700KPa
	6--------------------------------	0-0.5~2.1MPa
	7--------------------------------	0-1~3.5MPa
	8--------------------------------	0-3~7MPa
	9--------------------------------	0-7~21MPa
	0--------------------------------	0-15~40MPa
	Y--------------------------------	Specific Range (Note 3)
Display Header	D--------------------------------	Multiple Parameters & Modes Digital LED Display Header (Note 4)
	L--------------------------------	Common LED Header
	Z--------------------------------	Pointer Header
	N--------------------------------	No Header
Electrical Connection	5--------------------------------	M20x1.5 Waterproof Concentrator
Power Supply	-A-------------------------------	24VDC
Power Supply	-B-------------------------------	12VDC
Additional Type	-NF1----------------------------	Ex-proof Certificate: Exd II CT6
	-NS1----------------------------	Intrinsic Safety Type: Exi II CT4
	-M-------------------------------	Other Requirements(Note5)
Remarks:
e.g.:ML2088WLM6L5-A-NF1 0-1.6MPa
e.g.:ML2051WLM7D5-B-NS1 0-2.5MPa
Note1: Please indicate the flange size behind type if you choose this code
Note2: Please indicate the thread size behind type if you choose this code
Note3: Please indicate specific range behind type
Note4: Only output code1 is available
Note5: Please note in order
*: Standard

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