Long X Tech

Humidity Monitor
Humidity Monitor

Technical features:

l  Measurement principle: ceramic moisture

l  Display mode: 4-digit high-brightness LED display with display resolution of 0.1%

l  Test range: 0 ~ 40% VOL

l  Measurement accuracy: ≤±1.5%FS

l  Repeatability: ≤±1.0%

l  Response time: T90≤30S

l  Output:

4-20mA.DC (non-isolated output, load resistance less than 500 ohms).

0-10V.DC (non-isolated output, load resistance greater than 10K ohms).

1 way programmable dry contact passive alarm output, contact maximum capacity 220VAC/2A.

l  Communication mode: RS232 (default) or RS485 one-way/bidirectional data interface, baud rate 4800, 9600, 19200bps optional

l  Working power supply: AC100 ~ 240V 50/60Hz

l  Sample gas temperature: 0 ~ 200 °C

l  Sampling method: access type

l  Air circuit interface: NPT 1/4 internal thread

l  Sample gas component: no flammable gas, no strong corrosive gas

l  Size: 110mm × 220mm × 250mm (H × W × D)

l  Service life: >24 months (under normal use conditions)

l  Installation method: wall-mounted


Instrument features:

l  Wall-mounted installation, easy to install.

l  Original imported sensor can effectively guarantee the accuracy and service life of the instrument.

l  The internal cavity is made of 316F and has strong corrosion resistance.

l  Unique test chamber design to effectively avoid the influence of dust and liquid water on the humidity sensor.

l  High-precision temperature automatic compensation to eliminate the influence of ambient temperature and make the humidity measurement more accurate.

l  The user can freely set the upper and lower limits of the 4-20mA and 0-10V output to enable the user to obtain a higher precision analog output.

l  Simple operation, long service life and easy maintenance


It is applied to the measurement and analysis of flue gas humidity before and after desulfurization and denitration in CEMS of online continuous monitoring system.

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