Catalogues - humidity-and-temperature-transmitters-for-industrial-applications

Catalogue Humidity and Temperature Transmitters for Industrial Applications

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		HMT330 SERIES
																		HUMIDITY DEWPOINT


				Performance												Inputs and outputs

															Operating voltage 10 ... 35 VDC, 24 VAC with optional industrial power supply module 100 ... 240 VAC, 50/60 HZ Power consumption at +20 °C (U. 24 VDC) RS-232 max. 25 inA U 2x0...1V/0...5V/0...10V max.25mA
		Relative humidity Measurement range 0... 100% RH Accuracy (including non-linearity, hysteresis, and repeatability) with Vaisala HUMICAF 180 or 180R for typical applications with Vaisala HUMICAF 180C or 180RC for applications with chemical purge/warmed probe at +15 ... +25 °C (59... +77 °F) ' ±1 %RH (0... 90 %) ±1.7 %RH (90... 100 %RH) at -20... +40 °C (-4... +104 °F) ±(1.0 + 0.008 x reading) %RH at -40... +180 °C (-40... +356 °F) ±(1.5 + 0.015 x reading) %RH with Vaisala HUMICAP⁸180L2 for application with demanding chemical environment at -10... +40 °C (14... +104 °F) ±(1.0 + 0.01 x reading) %RH at -40... +180 °C (-40... +356 °F) ±(1.5 + 0.02 x reading) %RH Factory calibration uncertainty (+20 °C) ± 0.6 % RH (0... 40 %RH) ± 1.0 % RH (40 ... 97 %RH) (Defined as ±2 standard deviation limits. Small variations possible, see also calibration certificate.) Response time (90 %) at +20 °C (+68 °F) in still air 8s/17s* with grid professional filter 20 s / 50 s* with grid + steel netting filter 40 s / 60 s* with sintered filter * with HUMICAF 180R or 180RC sensor Temperature

																	I 2 x 0 ... 20 mA			max. 60 mA

														display and backlight +20 mA during chemical purge max. 110 mA during probe heating (HMT337) + 120mA Analog outputs (2 standard, 3rd optional) current output 0 ... 20 mA, 4 ... 20 mA voltage output 0...1 V, 0...5 V, 0...10 V Accuracy of analog outputs at +20 °C ±0.05% full scale Temperature dependence of the analog outputs ±0.005%/°C full scale External loads current outputs R_L < 500 ohm 0...1V output R_L >2 kohm 0...5Vand0...10Voutputs R_L>10kohm Max. wire size 0.5 mm₂ (AWG 20) stranded wires recommended Digital outputs RS-232, RS-485 (optional) Service connection RS-232, USB Relay outputs (optional) 0.5 A, 250 VAC Optional data logger with real-time clock Logged parameters max. three with trend/min/max values Logging interval 10 sec (fixed) Max. logging period 4 years 5 months Logged points 13.7 million points per parameter Batterylifetime min. 5 years Display LCD with backlight, graphic trend display of any parameter Menu languages English, Chinese, Japanese, Spanish, _German, French, Swedish, Russian, Finnish

		Measurement range HMT331 HMT333 HMT334, HMT335, HMT337, HMT338 Accuracy at +20 °C (+68 °F) Accuracy over temperature range A °C
												-40 ... +60 °C (-40 ... +140 °F) -40 ...+80 °C or -40 ...+120°C (-40 ... +176 °F or -40 ... +248 °F) -70 ...+180°C (-94... +356°F) ±0.2 °C(±0.36°F)


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																Mechanics
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															Cable bushing M20 x 1.5 for cable diameter 8 ... 11 mm/0.31 ... 0.43" Conduitfitting 1/2"NPT User cable connector manufacturers (optional) M12 series 8-pin (male) option 1 female plug with 5 m (16.4 ft) black cable option 2 female plug with screw terminals Probe cable diameter HMT333 (+80 °C) 6.0 mm other probes 5.5 mm Housing material G-AISi 10 Mg (DIN 1725) Housing classification_IP 65 (NEMA 4)
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-0.2 -0.3 -0.4 -0.5 -0.6 -0.7

											20 40 60 80 100 120 140 160 180
									-80 -60 -40 -20	0

																Dimensions
			Temperature sensor PT 100 RTD 1/3 Class B IEC 751 Other variables available (depends on model) dewpoint temperature, mixing ratio, absolute humidity, wet bulb temperature, enthalpy, water vapor pressure_ Operating environment_

															dimensions in mm (inches) 183 (7.20)
																			77 (3.0)



			Operating temperature for probe for professional transmitter body with display Operating pressure HMT334 HMT338 HMT335, HMT337 Electromagnetic compatibility
													same as measurement range -40... +60 °C (-40... 140 °F) 0 ... +60 °C (32 ... 140 °F) 0... lOMPa (0 ... 100bar) 0...4MPa(0... 40bar) vapor tight Complies with EMC standard EN61326-1, Industrial Environment


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														HUMICAP® is a registered trademark ofVaisala. Specifications are subject to change without prior notice. ©Vaisala Oyj