Humidity

Electrical Transmitters

Psychro-Transmitter
Measuring instrument to determine the air humidity values based on the dry and moist temperature. An attached water container provides for the moistening of the psychro sensor.The double-walled protection tubes protect the sensor from radiation.
Order-No.	Technical Data
1.1130.20.000	Operating voltage	12 V AC / 6 VA 24 V AC / 11 VA 24 V DC / 8 W
1.1130.22.000	Operating voltage	12 V DC
	Measuring range	0 ... + 60 °C
	Measuring elements	2 x Pt 100, acc to. IEC 751Class A
	Accuracy	(± 0,15 K)
	Time constant	17 s (90 %)
	Air stream	4 ... 6 m/s
	Water container	250 ml
	Electr. connection	4-lead circuit
	Connection	4 pole plug
	Dimension	Ø160 x 465 mm
	Weight	3,7 kg

Hygro-Transmitter

Measures and indicates humidity. Equipped with electrical output for long-range transmission. Sturdy construction. The exposed parts such as the case head and the immersion stem are made of stainless steel.
Order-No.	Technical Data
	Electr. output	Connecting
1.1000.50.015	200 Ohm linear	Lemo plug
1.1000.50.515	200 Ohm linear	3 m cable
	Measuring range	10 ... 100 % rel. h.
	Accuracy	± 2 % rel. h.
	Scale graduation	1% rel. h. non-linear
	Measuring element	H
	Ambient temp.	-35 .... +70 °C
	Scale length	94 mm (90°)
	Stem	22 mm
	Stem length	250 mm
	Protection	IP 65, case
	Total length	350 mm
	Weight	0,45 kg

Weather and Thermal Radiation Shield
Protective covering for the preceding hygro-transmitters out-of-doors. Helps to prevent atmospheric influences and radiation errors from influencing the measured results.
Order-No.	Technical Data
1.1025.51.000	Installation pin	Ø 22 x 27 mm
	Material	Al, galvanised and varnished
	Dimension	Ø 170 x 450 mm
	Weight	2,5 kg

Wind Protection
Gauze- and wind protection, protects the humidity measuring element from coarse dust (> 0,32 mm) and error measurements in case of wind velocities > 3 m/s.Suitable for above hygro transmitter.
Order-No.	Technical Data
1.0509.85.006	Diameter	24 mm
	Length	200 mm
	Mesh aperture	0,32 mm
	Material	Niro, Brass
	Weight	0,022 kg

Instrument designed for measurement of temperature and air humidity. The data are output as electrical analogue signals. The transmitters consist of a capacitive humidity element and a Pt 100 resistance thermometer. For mounting out-of-doors we recommend the use of the weather- and thermal radiation shield. Order-No.. 1.1025.55.xxx.

Order-No.	Technical Data
1.1005.54.xxx	Electr. output
	Humidity	Temperature
.000	0 ... 1 V	Pt 100 ( ± 0,15 K)
.241	4 ... 20 mA	4 ... 20 mA
.161	0 ... 10 V	0 ... 10 V
	Measuring range	0 ... 100% rel. h.
		- 30 ... + 70 °C
	Accuracy	± 2 % rel. h.
	Temp. Meas. elem.	PT 100 acc. to IEC 751
	Accuracy	1/3 class B
	Operating voltage	9 - 30 V DC (...000)
		12 - 30 V DC (...141)
		24 V DC (...161)
	Protection	IP 30 for sensor
		IP 65 for electronic
	Cable	5 m long
	Dimension	20 x 115 mm
	Weight	0,45 kg

Weather and Thermal Radiation Shield, compact

Protective case for the Temperature or Hygro Thermo- Transmitter compact for installation out-of-doors. This case essentially eliminates the influence of weather and radiation errors which affect the measurement result.

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