4-20mA Diffferential Pressure Level Transmitter

Digital output: two –wire 4-20mADC and superimposing variable digital signal accord with HART

Power supply

supply voltage 24VDC

Pressure range:

Limit load

Max load resistor Rmax in loop decided by the supply voltage, see the below drawing. HART PROTOCOL require the load resistor not less than 250Ω,not more than 600Ω

Communication distance

Max. 1.5Km, multi-address communication can connect 15 smart transmitters Max.

Display

4 digital display,5 digit LCD display, pointer type.

Explosion-proof

ExiaIICT5;explosion suppression type

Zero offset

Can positive transfer or negative transfer, but can not overstep the utmost value

Temperature

ambient temperature -40-85℃(When choose LCD : -20-70℃)

Medium temperature

-40～104℃

Static pressure and single side overpressure

3.45KPa(absolute pressure)～31.2MPa（gauge pressure）

Relative humidity

5～98%RH

Run-up time

less than 5 sec.

Capability change

Less than 0.16cm3

Damp adjust

0.20～25 second

Malfunction alarming

If occur malfunction, automatism diagnose function will output 3.9 or 21.0mA

Configuration protection

To avoid the datas are modified random, can utilize software or protect switch lock the record data

Turndown ratio:

100: 1