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DWYER HHT hazardous area humidity & temperature transmitter

The Series HHT Hazardous Area Humidity/Temperature Transmitter takes accurate measurements in the harshest of environments. 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, and do require an intrinsically safe barrier to meet hazardous area approvals.

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Made in USA. brand DWYER, model HHT

International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE.

Retail price from $1304,15

Available

Available

Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.

Advantages

Only the best I&C brands

Our company is a UAE supplier of control and measuring instruments from well-known world brands

Advantages

Discounts for organisations

We sell high-tech equipment at best prices. We provide really advantageous conditions for partners

Advantages

Fast delivery across the Middle East

Supply to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Bahrain, Oman and other countries

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Professional advice on device selection

Our specialists are ready to advise you on any technical question. We can find an analogue of any device

Description of DWYER HHT

PRODUCT APPLICATIONS

  • Process monitoring
  • Offshore HVAC monitoring
  • Dust and grain handling

FEATURES

  • FM approved explosion-proof and intrinsically safe models
  • Integral LCD option
  • Dual temperature and relative humidity output models

Technical specifications of DWYER HHT

  • 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 s.
  • 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 Explosion-proof, 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.
  • Compliance: FM, CE.

How to buy DWYER HHT

Model Description Price
HHT-EU Explosion-proof humidity transmitter.
$1,714.95
HHT-EU-LCD Explosion-proof humidity transmitter with LCD display.
$1,827.25
HHT-IT Intrinsically safe humidity/temperature transmitter.
$1,364.45
HHT-IT-LCD Intrinsically safe humidity/temperature transmitter with LCD display.
$1,476.75
HHT-IU Intrinsically safe humidity transmitter.
$1,304.15
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Accessories for DWYER HHT

Model Description Price
A-287 Mounting bracket for pipe or surface mounting (includes bracket and two 2″ U-bolts)
$59.85
A-450 Replacement sintered filter for Series HHT
$10.85
A-451 Replacement 2% sensor for Series HHT (for models built after April 2019).
$105.00
KFD0-SCS-EX1.55 Loop powered galvanic barrier for use with intrinsically safe transmitters.
$726.25
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Model Chart DWYER HHT

EXAMPLE HHT I T LCD Series HHT-IT-LCD Humidity/Temperature Transmitter, FM intrinsically safe, 1/2″ male NPT humidity/temperature with LCD Display
SERIES HHT HUMIDITY/TEMP TRANSMITTER
APPROVAL A
E
I
ATEX/IECEx FLAMEPROOF (N/A)
FM EXPLOSION PROOF
FM INTRINSICALLY SAFE
PROCESS CONNECTION AND OUTPUTS B
E
T
U
1/2″ MALE BSPT HUMIDITY
1/2″ MALE BSPT HUMIDITY/TEMP (I ONLY)
1/2″ MALE NPT HUMIDITY/TEMP (I ONLY)
1/2″ MALE NPT HUMIDITY
OPTION C5
LCD
M20
FC
C5-M HOUSING PAINT SPECIFICATION
LCD DISPLAY
M20 CONDUIT HOUSING
FACTORY CALIBRATION CERTIFICATE
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User Guide and Instruction manual for DWYER HHT

You can request the necessary certificates, documentation, instructions and user guide for DWYER HHT using the special form.

You can buy DWYER HHT in UAE at a price starting from 1304,15 $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email . DWYER HHT price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.