Capacity-resistance flue gas humidity transmitter uses the original imported sensor chip, which can effectively ensure the accuracy and service life of the instrument. The function of built-in temperature compensation could reduce the influence from temperature change on the measured accuracy of humidity.
Capacity-resistance flue gas humidity transmitter main features:
1.The display modes of absolute humidity, relative humidity,high-temperature dew point and ％Vol can be shifted freely;
2.OLED auto-glowing display makes the display visual and the operation easy and convenient;
3.The imported sensor chip could guarantee the accuracy and serving life of the transmitter;
4.The function of built-in temperature compensation could reduce the influence from temperature change on the measured accuracy of humidity.
Capacity-resistance flue gas humidity transmitter technical parameters:
Test principle | capacity-resistance principle |
Display mode | 128×64 matrix dot OLED |
Measurement range | high-temperature dew point: -20 ~ +100℃ absolute humidity: 0 ~ 400g/m³ absolute humidity: 0 ~ 40.0%Vol relative humidity: 0 ~ 100%RH (only one mode can be displayed, so please indicate the message when ordering) |
Accuracy | ≤±1.5%FS |
Resolution | high-temperature dew point :0.1℃, Relative humidity and absolute humidity:0.1% |
Repeatability | ≤±1% |
Response time | T90≤15S |
Analog output | 4-20mA.DC(non-isolated output, loaded resistance lower than 500 Ohm) 1 way programmable alarm output (Dry contact type, maximum load 220VAC/2A) |
Communication port | RS232(default)or RS485 |
Power supply | 12~32VDC /100mA |
Sample gas temperature | 0 ~ 170℃ |
Environment humidity | ＜80%RH |
Sampling mode | sample gas pass-in |
Sample gas composition | no flammable gas, no strongly corrosive gas, the dust amount less than 1mg/Nm3 |
Sampling port | Φ6 stainless steel cutting ferrule(316L) |
Appearance Size | Gauge: 62mm×150mm×105mm(H×W×D) |
Install size | 133mm×48mm(W×D) |
Serving life | ＞24 months(under normal use) |
Install mode | rear panel mount(gauge) |
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