Operating Instruction
Q5.25.45
TLT Page
7 / 18
Draft created/changed: 31.01.03/TT Document created/changed: 03.08.2012 / Rea
Revision: - Revision: -
Draft released: 18.02.03/DEL Document released: 03.08.2012 / Rea
Jede unerlaubte Verwendung ist strafbar / Any unpermitted use is subject to prosecution.
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Type
HTT-V room HTT-V duct
Item number
28896 28897
Supply voltage
24 VDC +/-25%
(no galvanic isolation of input and output)
Power consumption
min 20mA typical 50 mA max. 80 mA
(current outputs)
Measuring range
-20…+80°C 0…100.0% RH
Application range
0…50°C
(Electronic)
-20…80°C
(Sensor)
Breathing air measurement
(MAC value respected)
Humidity / Temperature probe
Digital capacitive humidity and temperature measuring system
Standard measurement accuracy
+/- 0.4°C
(at 25°C)
+/- 1.2°C
(0…50°C)
+/- 2.5 - 3.0% RH
(20…80-90% RH)
+/- 5.0% RH
(0…100% RH)
Option measurement accuracy
+/- 0.2°C
(at 25°C)
+/- 1.0°C
(0…50°C)
(with 3 points RH / 1 point T factory ad-
justment)
+/- 1.5% RH
(10…90% RH)
+/- 4.0% RH
(0…100% RH)
Measurement hysteresis temperature /
humidity
+/- 0.1°C +/- 1.0% RH
Measurement interval
330…500 ms
Temperature effect on measurement
typical 0.06% RH /°C
Resolution of analog outputs
typical 5 mV : 5uA
Accuracy of analog outputs
typical 0.05% FS
(of the entire measuring range)
Housing protection class
IP 54
Housing material
POM
Probe protecting class
IP 54
(with polymer membrane filter as option for type S, stand for type R and M)
Probe material
Stainless steel / POM
Storage temperature range
5…+ 55°Cnoncondensing!
EMV-CE tests
EN 61326-1 / EN 61326/A1 / EN 61010-1
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Display: Temp. :
-20…+80°C
Humidity
:
0…100.0% RH
AOUT 1: Humidity
:
0…10V. 0…20, 4…20mA / 0…100% RH
AOUT 2: Temp. :
0…10V, 0…20, 4…20mA / -20…+80°C
Password :
"0000" -> deactivated
Factory adjustment :
precalibrated (standard)
Opt. calibration :
"CAL RH" L/M/H
(3 PKT)
"CAL T"
(1 PKT)
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Power supply ...... 24 VAC / VDC ±25%
Output .................. 2 x 4-20 mA
Max. Last: 500 Ohm (4-20 mA)
Galvanic separation ........................... Output
Power consumption .......................... 5 VA
CE-conformity (EMV) ......................... EN 61 326
Electrical connection ......................... Screw terminals up to max. 1.5 mm²
Operating temperature
housing ............................................... 0 to +50°C
Probe ................................................... -20 to +80°C
Storage temperature .......................... 5 to +55°C
Medium ............................................... air and neutral gases
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