Take accurate measurements in the harshest environments with this explosion-proof humidity transmitter that features a 4 to 20 mA output for humidity and an LCD. Suitable for process monitoring, offshore HVAC monitoring, and dust and grain handling.
Take accurate measurements in the harshest environments with this explosion-proof humidity transmitter that features a 4 to 20 mA output for humidity and an LCD. Suitable for process monitoring, offshore HVAC monitoring, and dust and grain handling.
Features
Applications
Relative Humidity | 0 to 100% RH |
Accuracy | ±2% 10 to 90% RH, ±0.9 at 72°F (±0.3 at 25°C) |
Hysteresis | ±1% |
Repeatability | ±0.1% typical |
Temperature | Limits: -40 to 140°F (-40 to 60°C) Storage: -40 to 176°F (-40 to 80°C) Compensated: -40 to 140°F (-40 to 60°C) |
Output Signal | 4 to 20 mA |
Response Time | 15 seconds |
Connections | Electrical: Screw terminal block Conduit: ½ female NPT |
Drift | <1% RH/year |
RH Sensor | Capacitance polymer |
Power Requirements | For explosion-proof models HHT-EX, 16.5 to 28 V DC |
Housing Material | Aluminum |
Enclosure Rating | NEMA 4X (IP66). Models HHT-EX: FM explosion- proof, class I division 1 group B, C, D, class II division 1 group E, F, G, class III division 1 |
Agency Approvals | CE, FM |
Dimensions | 13.7 x 3.9 x 4.28" (347.98 x 99.22 x 108.74) |
Weight | 2.5 lbs (1134 g) |
Click on a category to view a selection of compatible accessories with the Dwyer HHT Hazardous Area Humidity Transmitter with LCD.
Relative Humidity | 0 to 100% RH |
Accuracy | ±2% 10 to 90% RH, ±0.9 at 72°F (±0.3 at 25°C) |
Hysteresis | ±1% |
Repeatability | ±0.1% typical |
Temperature | Limits: -40 to 140°F (-40 to 60°C) Storage: -40 to 176°F (-40 to 80°C) Compensated: -40 to 140°F (-40 to 60°C) |
Output Signal | 4 to 20 mA |
Response Time | 15 seconds |
Connections | Electrical: Screw terminal block Conduit: ½ female NPT |
Drift | <1% RH/year |
RH Sensor | Capacitance polymer |
Power Requirements | For explosion-proof models HHT-EX, 16.5 to 28 V DC |
Housing Material | Aluminum |
Enclosure Rating | NEMA 4X (IP66). Models HHT-EX: FM explosion- proof, class I division 1 group B, C, D, class II division 1 group E, F, G, class III division 1 |
Agency Approvals | CE, FM |
Dimensions | 13.7 x 3.9 x 4.28" (347.98 x 99.22 x 108.74) |
Weight | 2.5 lbs (1134 g) |
Click on a category to view a selection of compatible accessories with the Dwyer HHT Hazardous Area Humidity Transmitter with LCD.