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2088 4-20mA Smart Differential Pressure Transmitters

2088 4-20mA Smart Differential Pressure Transmitters

 2088 4-20mA Smart Differential Pressure Transmitter


2088 pressure transmitter is made with oil-filled isolation membrane-specific integrated pressure sensors and instrumentation amplifier circuit, it has a high accuracy, good stability, long life, high reliability, easy installation features. Applicable to various liquid, gas pressure measurement.

Detailed Images 

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Specification 2088 4-20mA Smart Differential Pressure Transmitter


2088 4-20mA Smart Differential Pressure Transmitter

Output Analog

Two-wire 4~20mA DC

Digital quantity

Two-wire 4~20mADC and overlay digital signal in line with the HART protocol

Power supply

24V DC, 12~36V DC, 18.5~220V DC, AC 50HZ, 45V

Load limit

Loop Rmax maximum load resistance depends on the power supply voltage. HART communication require the load resistance no less than 250Ω, and no more than 600Ω

Communication distance

The maximum communication distance is 1.5Km, Multistation communication can take up max15 units smart pressure transmitter

Output display

Four digital display, five LCD display, pointer type

Explosion-proof form

Basic type:ExiaII CT5; Explosion-proof type

Zero shift range

Zero point can be arbitrary positive transfer and negative transfer, but the upper and lower limit of measurement range and pressure range should not be set exceeded

Temperature Range

Environmental temperature

-40~85  (-20~70 when select LCD indicator)

Medium temperature


Static and Unidirectional pressure range

3.45Kpa(absolute pressure)  31.2MPa(gauge pressure)

Relative humidity


Start time

Start in 5 second

Capacity changes

less than 0.16cm3

Damping adjustment


Fault alarm

If there is a breakdown of sensor or circuit, automatic diagnosis function will automatically output 3.9 or 21.0 mA

Configuration protection

In order to avoid the transmitter is randomly change the configuration data, can lock the stored data by software or protection switch

Reference conditions

Zero as the lower limit and no migration, the temperature is 25 , the atmospheric pressure, 24 VDC power supply, silicone oil, isolation diaphragm 316 stainless steel, data setting range is the same as the upper and lower limit range


the instructions include linear precision, the influence of hysteresis and repeatability


±0.1%(The error is less than 0.1% of full scale)


±0.1% URL/year

Temperature effect

±0.05% (URL + 0.05% range) / 20

Static Pressure effects

Zero Error: the URL / 0.1 to 6.9 MPa

Vibration impact

Can stand a vibration of 200Hz frequency in any axia, cause a error is ±0.05%URL

Power supply

The adjustable range is less than 0.005% / V

Load impact

No load effect

Installation position effect

About 250Pa zero migration, can be eliminate by calibration, no scale effect

Radio frequency interference

in the 30-1000 MHZ frequency and maximum field strength under the condition of 10 v/m, caused by drift is ±0.1% of adjustable range

Isolation diaphragm

316L stainless steel, Hastelloy, Monel or tantalum

Vent and drain valve

316 stainless steel, hartz alloy, monel or tantalum

Flange and transition joints

Cadmium plating, carbon steel galvanized steel, 316 stainless steel, Hastelloy alloy

"O" Ring

Fluorine rubber

Filled liquid

silicone oil

Screw bolt

galvanized carbon steel

Electrical shell

low copper aluminum alloy

"O" Ring

Nitrile butadiene rubber


polyester epoxy resin

Flange pressure

1/4 - 18 NPT thread

Transition joint lead pressure

1/2-14 NPT thread

Conduit connections

M20X1.5, 1/2-14, NPT thread


2 kg (not including optional)



Wide range, cast aluminium & explosion-proof housing,
various pressure port
Various output signal, scene adjustable
Multiple protect, strong anti-interference capability.
Marking: ExiaIICT6.


Compatible with 316LSS,noncorrosive gases & liquids.   
Special use in harsh environment conditions. 

Selection Guide   

Dimensions 2088 4-20mA Smart Differential Pressure Transmitter




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Q:How long will you reply me?

A:We will contact you as soon as possible but within 12 hours

Q: Can I get some samples?

A: Yes, Sample order is available for quality check and market test. But you have to pay the express cost.

Q: How soon can you arrange your production?

A: Once getting your product confirmation and receiving the prepayment, the production will be started immediately.

Q: What's delivery time?

A: It usually takes about 3-5 working days for small order and 10-15 days for big order.

Q:How do you control your quality ?

A: Three inspection steps(of original, production, and finished goods) + good warranty service(1 year free to change a new one without any human damage factors).

Q: What certificates do you have ?

A:ISO9000, CE, Explosion-proof certification, RoHs ready. And before the delievry of goods, quality and safety inspection certification issued by third parts also can be offered.

Q:Could I visit your factory?

A:Very welcome! Fly to Xian Yang air port. It was a big pleasure for us.

Q: What's your warranty terms?

A: We offer 12 months warranty time.

Q:can you provide OEM & Customized service?

A:Yes, OEM and ODM are both available, we have the professional R&D dept which can provide professional solutions for you.

Company Information 

Shelok considers itself not only a manufacture but more  conprehensively a provider of industry specific customer-oriented solutions.Our profound understanding of product application and strong technical backgrounds ensure you the best product solution and achieve a greater success.


Xi'an Shelok Instrument Technology co.,ltd is a professional R&D center and manufacture of measuring instruments.And here's a variety of products for you choice: pressure transmitters,temperature transmitters,flow transmitters,weighing instruments and so on.Our products have been made by advanced technology, with high quality, fast delivery period, which have attracted so many domestic and foreign customers.



Packing & Shipping

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Contact Information

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