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Humidity
Humidity

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EE31 Series

Multifunction Humidity/Temperature Transmitter

The EE31 Series Multifunction Humidity/Temperature Transmitters offer precise measurement of humidity and temperature with field selectable analog outputs for both parameters. The unit can also calculate values for enthalpy, dew point, wet bulb, and absolute humidity. Two-point calibration can be performed using push-buttons on the circuit board-no need for dismounting which makes it ideal for regulatory environments. Built-in LEDs indicate transmitter status and errors. An optional display is available for local indication of measured values and minimum and maximum values.


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Features
  • Accuracy of ±1.3% RH
  • Derived values for dew point, enthalpy, and wet bulb
  • Simple calibration
  • Two status LEDs
  • Optional display available
  • Dual selectable output signals
  • Replaceable sensor
  • Includes NIST certificate
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Specifications

Accuracy:

Humidity:±1.3% RH @ 5° to 104°F (-15° to 40°C), <90% RH

Temperature:±0.27°F (±0.14°C) ±0.06

Supply Voltage:8-35 VDC, 12-30 VAC

Signal Output:Field selectable: 4-20 mA, 0-20 mA, (500Ω max load), 0-5 V, or 0-10 V,

Communication:Serial interface RS232C

Measurement Range:

Humidity:0 to 100% RH

Temperature:-40° to 140°F (-40° to 60°C)

Sensing Technology:

Humidity:Capacitive

Temperature:Pt1000Ω RTD, 385 curve

Sensor Protection:Stainless steel sintered filter 0.50"D (1.27 cm)

Display Type:Optional, two line, alphanumeric LCD

Display:

Dewpoint:-112° to 140°F (-80° to 60°C)

Enthalpy:0-64 Btu/lb (0 to 400 kJ/kg)

Wetbulb:32° to 140°F (0° to 60°C)

Absolute Humidity:0 to 60 gr/ft3 (0 to 150 g/m3)

Mixture Ratio: 0 to 2900 gr/lb (0 to 425 g/kg)

Frost Point:-112° to 32°F (-80° to 0°C)

Operating Temperature:-40° to 140°F (-40° to 60°C); Units with display: -4° to 122°F (-20° to 50°C)

Enclosure: NEMA 4, IP65

Wiring Terminations:Screw terminals

Dimensions:3.5"H X 6.4"W X 2.6"D (9.0 X 16.3 X 6.7 cm)

Probe: 2.9"L (7.2 cm) 0.5"diameter (1.2 cm)

Weight: 1.0 lb (0.45 kg)

Warranty: 1 year

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Certifications


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Products

(Wholesale customers, log in for your special pricing.)

QtyModelDescriptionIn StockList PriceInternet Price
EE31-MFTA3 RH/TEMP XMTR, METAL ENCL INFO2,669.932,135.94
EE31-MFTA3-D05 RH/TEMP XMTR, METAL ENCL W/DISPLAY INFO3,315.002,652.00
EE31-PFTA3 RH/TEMP XMTR, PLASTIC ENCL INFO2,524.442,019.55
EE31-PFTA3-D05 RH/TEMP XMTR, PLASTIC ENCL W/ DISPLAY INFO3,095.762,476.61
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