Measured gas

NH3

Method

Tunable Diode Laser Spectrometry (TDLS)

Range

NH3: 0-50ppm，0-100ppm,0-500ppm（ Customized）

Accuracy

± 1% full scale reading depending on integration stability

(temperature & pressure)

Precision

1ppm

Displayed resolution

0.1ppm

Response time

Less than 15S (at gas flow rate of 3 L/min)

Sampling Gas Temperature

Below 800℃

Analog Output

4`20mA DC, Insulating output, maximum load is 900 ohm,

Digital Output

RS232/485

Power Supply

90-240VAC / 50/60Hz 120W

Warm up time

30 minutes

Interface

RS485

Ambient Temperature

Temp：-10-50℃

Humidity：0-90%RH

Dimension

760(H)×500(L)×255(W)mm(analysis cabinet)
700(H)×450(L)×210(W)mm(control cabinet)