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Dwyer HHT Intrinsically Safe Humidity Transmitter
Rp.35.217.800
- Availability:
- 4 - 6 WEEKS
- Product Code:
- HHT
- Brand:
- Dwyer Instruments
- Update Terakhir:
- 22 Jun 2023
-
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Pakar Teknologi Kami Siap Membantu!(62) 021-53167044 | 0812-83861970 | 0812-9915277
Email UsThe Dwyer HHT Hazardous Area Humidity/Temperature Transmitter takes accurate measurements in the harshest of environments. The transmitter is offered in explosion-proof and intrinsically-safe versions depending on the application's requirements. The explosion-proof model is offered with 4 to 20 mA output for humidity only. The intrinsically-safe version is offered with 4 to 20 mA output for humidity and temperature. Both versions have an optional two line alphanumeric display to show the current humidity and temperature.
The Series HHT humidity/temperature transmitter is excellent for offshore HVAC applications, dust and grain applications. Intrinsically safe models require an intrinsically safe barrier.
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- Relative Humidity Range: 0 to 100% RH
- Temperature Range: -40 to 140°F (-40 to 60°C)
- Accuracy: ±2% 10-90% RH, ±0.9°F at 72°F (±0.3°C at 25°C)
- Repeatability: ±0.1% typical
- Temperature compensated over entire range
- 4-20 mA output, 2 channels for humidity/temperature models (loop power on RH)
- Screw terminal block electrical connection
- Conduit Connection: 1/2" female NPT
- Capacitance polymer RH sensor
- Solid state band gap temperature sensor
- Aluminum housing
- Optional 2 line alpha numeric display
- CE, FM approved
- NEMA 4X (IP66) rated enclosure
- Approvals:
- HHT-EX: FM Explosion-proof, Class I Div. 1 Group B, C, D, Class II Div. 1 Group E, F, G, Class III Div. 1
- HHT-IX: FM Intrinsically Safe, Class I Div. 1 Group A, B, C, D, Class II Div. 1 Group E, F, G, Class III Div. 1 T4
- Relative Humidity Range: 0 to 100% RH.
- Temperature Range: -40 to 140°F (-40 to 60°C).
- Accuracy: ±2% 10 to 90% RH, ±0.9°F at 72°F (±0.3°C at 25°C).
- Hysteresis: ±1%.
- Repeatability: ±0.1% typical.
- Temperature Limits: -40 to 140°F (-40 to 60°C).
- Storage Temperature: -40 to 176°F (-40 to 80°C).
- Compensated Temperature: -40 to 140°F (-40 to 60°C).
- Power Requirements: For intrinsically safe models HHT-IX, 9.5 to 28
- VDC. For explosion-proof models HHT-EX, 16.5 to 28 VDC.
- Output Signal: 4 to 20 mA, 2 channels for humidity/temperature models (loop power on RH).
- Response Time: 15 seconds.
- Electrical Connections: Screw terminal block.
- Conduit Connection: 1/2 female NPT.
- Drift: <1% RH/year.
- RH Sensor: Capacitance polymer.
- Temperature Sensor: Solid state band gap.
- Housing Material: Aluminum.
- Display: Optional 2 line alpha numeric, 8 characters/line. Temperature
- display is °F/°C selectable.
- Display Resolution: RH: 0.1%: Temperature 0.1°F (0.1°C).
- Weight: 2 lb 8 oz (1134 g).
- Enclosure Rating:
- NEMA 4X (IP66). Models HHT-EX: FM ExplosionProof, Class I Div. 1 Group B, C, D, Class II Div. 1 Group E, F, G, Class
- III Div. 1; Models HHT-IX: FM Intrinsically Safe, Class I Div. 1 Group A,
- B, C, D, Class II Div. 1 Group E, F, G, Class III Div. 1 T4.
- Agency Approvals: CE, FM.
- (1) HHT Intrinsically Safe Humidity Transmitter
- (1) Instruction Manual
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Note: Prices are not binding at any time subject to change without prior notice
