Professional VOC detector

Gas detected

VOCs ( toluene emitted from wood finishing and construction products);

Cigarette smoke( hydrogen, carbon monoxide);

ammonia and H2S, alcohol, natural gas and smell by people’s body.

Sensing element

Semiconductor mix gas sensor

Power supply

24VAC/24VDC

230VAC or 110VAC

Consumption

2.8 W

Response Time

<5 minutes for 90% step change

Warm up time

48 hours (first time), 1 hour (normal operation)

VOC measuring range

0~30ppm

Display resolution

0.1ppm

Temperature & Humidity Sensor

Temperature

Relative Humidity

Sensing element

NTC

Capacitive sensor

Measuring range

0~50°C

0 -95%RH

Accuracy

±0.5°C (25°C, 40%-60%RH)

±3%RH (25°C, 40%-60%RH)

Display resolution

0.5°C

1%RH

Stability

±0.5°Cper year

±1%RH per year

Analog output

0~10VDC linear output or PID control output, programmable selection

Output resolution

10Bit

Relay output

Two dry contact outputs with programmable selection to control VOC, temperature, humidity. Rated switching current 2A(220VAC/30VDC), resistance load

Modbus interface

Modbus RS-485 protocol. 19200bps(default)

15KV antistatic protection, independent base address, 31 max network nodes 

Operation temperature

0~50°C(32~122°F)

Operation humidity

0~95%RH,non condensing

Storage conditions

-40~70°C(-40~158°F)

Net Weight

280g( 24VAC)    

320g(110VAC/230VAC)

Dimensions

120mm×90mm×24mm                   for 24VAC/DVC power supply

120mm×90mm×24mm+28.5mm bulge     for 220VAC/110VAC power supply

Installment standard

65mm×65mm or 2”×4” wire box

Interface connections (Max.)

10 terminals

Wiring standard

Wire section area <1.5mm²

Quality System

ISO 9001

Programming and selection

Via DIP switch and external push-buttons

Outputs (max.)

1~2 dry contact relay outputs, 1X0~10V output