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Dry-wet oxygen principle flue gas humidity transmitter

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Dry-wet oxygen principle flue gas humidity transmitter has a high-precision temperature automatic compensation system that eliminates the effects of ambient temperature. It is with simple operation, long serving life and easy to maintain for features, etc.

Dry-wet oxygen principle flue gas humidity transmitter main features:

1.The auto-compensation system for temperature with high accuracy could eliminate the influence from environment temperature;

2.The function of pressure compensation with high accuracy could make the humidity measurement more accurate;

3.The upper and lower limits of the humidity referred to 4-20mA、0-10V output can be set freely to help users getting the analog output with higher accuracy;

4.The integrative design with built-in PID heat tracing function is easy to install and operate, and it can improve the analyzer's serving life and stability.

Dry-wet oxygen principle flue gas humidity transmitter technical parameters:

Test principle

wet-dry oxygen principle(ceramic humidity sensing)

Display mode

4 bits LED display

Test range

0 ~ 50/85(%VOL or Kpa)H2O

Accuracy

≤±2%FS

Repeatability

≤±1%

Response time

T90≤30S

Analog output

4-20mA.DC(non-isolated output, loaded resistance lower than 500 Ohm)

0-10V.DC(non-isolated output, loaded resistance higher than 10k Ohm)

1 way programmable alarm output (Dry contact type, maximum load 220VAC/2A)

Communication port

 RS232(default) or RS485

one way/ two way communication port, baud rate 4800, 9600, 19200bps optional

Power supply

AC100 ~ 240V 50/60Hz

Sample gas temperature

 0 ~ 170℃

Sampling mode

sample gas pass-in

Gas circuit port

 NPT 1/4 internal thread

Sample gas composition

no flammable gas, no strongly corrosive gas, the dust amount less than 1mg/Nm3

Appearance Size

110mm×220mm×250mm(H×W×D)

Serving life

＞24 months (under normal use)

Install mode

wall mount