HT-FD500 Explosion-Proof Dew-Point Transmitter The segment code display mode is clear and intuitive, and the operation of the instrument is easy and convenient; Original imported thin-film capacitor sensor has rapid response speed, high sensitivity, long calibration cycle, low maintenance cost and is of anti-condensation
a. The segment code display mode is clear and intuitive, and the operation of the instrument is easy and convenient;
b. Original imported thin-film capacitor sensor has rapid response speed, high sensitivity, long calibration cycle, low maintenance cost and is of anti-condensation;
c. The menu lock function could prevent mis-operation, which may change instrument parameters and affect its performance;
d. In explosion-proof occasions, the menu can be set by isolated-type magnetic pen, which is convenient for on-site operation;
e. Automatic temperature compensation could eliminate the impact of environment temperature changes on the measurement accuracy;
f. The instrument allows multi-point fractional liner calibration, meeting the need for an accurate measurement of oxygen content among the full range.
l Measurement Principle: Thin-film capacitor
l Display Mode: Segment code display
l Measurement Range: Basic: -60℃~+20℃
Standard: -80℃~+20℃
Expanded: -100℃~+20℃
l Measurement Accuracy: ≤±1℃（0~-60℃）
≤±2℃ (under -60℃)
l Resolution: 0.1℃
l Repeatability: ≤±1.5℃FS
l Response Time 63%: -60℃→-20℃ 5s
-20℃→-60℃ 45s (pressure 0.1MPa, temperature +20℃)
l Response Time 90%: -60℃→-20℃ 15s
-20℃→-60℃ 10min (pressure 0.1MPa, temperature +20℃)
l Output Port: 4-20mA (Non-isolated output, load resistance＜1KΩ)
1 way of programmable alarm output (Dry contact type, maximum load 220V/2A)
l Power Supply: DC24V±10%, 200mA
l Environment Temperature: -10℃~+50℃
l Storage Environment Humidity: <90％RH, non-condensing
l Operation Environment Humidity: <100％RH, non-condensing
l Sample Gas Dew Point: <environment temperature
l Sampling Mode: Diffusion/ Gas in (please indicate the sampling mode when ordering)
l Sample Gas Pressure: 5kPa≤relative pressure≤600kPa, stable atmosphere
l Sample Gas Flow: 2~4L/min, gas in
l Background Gas: Nitrogen, inert gas and non-corrosive gas such as hydrocarbon
l Explosion-Proof Grade: Ex db IIC T6 Gb
l Dust-Proof Grade: Ex tb IIIC T80°C Db
l Certificate Number: CNEx24.5459X
l Protection Grade: IP66
l Sensor Service Life: >4 years (under normal conditions of use)
l Instrument Weight: Diffusion: Net weight 2.0Kg
Gas in: Net weight 2.4Kg
l Cable Connection: 3 meters (standard)
l Installation Method: Screw mounting (diffusion)/ bracket mounting (gas in)
It is applied in online measurement of gas moisture content in the environment with explosion-proof grade requirement of Ex db IIC T6. It is widely used in petrochemical, natural gas, industrial gas, semiconductor, drying industry, food industry, power, machinery manufacturing, air separation, pharmaceutical and other industries.
l Measurement range
l Sampling mode
l Background gas composition
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