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Operating Manual for Humidity Measuring Device
GRHU - 1R / 1K / 2K
Specification:
Measuring area:
Output signal:
Sensor:
Accuracy:
(at nominal temperature)
Linearity:
Hysteresis:
Auxiliary energy:
Reverse voltage protection:
Permissible impedance:
Permissible load:
Working temperature:
Nominal temperature:
Storage temperature:
Relative atmospheric humidity:
Housing:
Mounting position:
Sensor tube:
electric connection:
Mounting:
Mounting distance:
Assignment of Angle Plugs:
2-wire connection (4-20mA)
1
Vs
2
A
1 = supply voltage +Vs
2 = GND / Signal
please refer to type plate
Standard:
0 - 100 %RH (rec. range of application: 30 - 80 %RH)
High humidity: 0 - 100 %RH. (rec. range of application: 11 - 90 %RH)
please refer to type plate
Capacitive thin film sensor (unsuitable for dusty and aggressive media)
Standard:
±2 %RH (from 30 to 80 %RH)
High humidity: ±2 %RH (from 11 to 90 %RH)
Standard
±1.5 %RH (from 30 to 80 %RH)
High humidity: ±1.0 %RH (from 11 to 90 %RH)
+Vs = 12 - 30 V DC (For 0-10V: +Vs = 18 - 30 V DC)
50V permanent
4-20 mA: RA < (Vs - 12V) / 0.02A
0-1(10)V: RA > 3000 Ohm
Electronics: 0 to 70°C
Sensors:
0 to 70°C (standard-sensor)
-30 to 120°C (with high temperature OPTION)
25°C
-20 to +85°C
0 to 100 % RH (non-condensing)
ABS (IP65)
Sensor tube pointing vertically downwards, ±90° angle deviation
Aluminium, Ø 14 mm, anodized
with bronze filter 80-160 µm (for type -HO: plastic protection cap)
Via angle plug according to DIN 43650 (IP65) for cables up to 1,5mm
By means of screw thread or mounting holes in housing (accessible after cover has been
removed)
50 x 70mm, max. shaft diameter of mounting screws is 4mm
3-wire connection (voltage)
3
1
V
1 = signal +
3 = supply voltage +Vs
= supply voltage -Vs
signal -
(and high humidity)
4-wire connection (voltage)
3
1
Vs
2
1 = signal +
2 = signal -
3 = supply voltage +Vs
= supply voltage -Vs
T19.0.1X.6C-07
page 1 of 2
working area of the humidity sensor:
temperature [°C]
2
Vs
V
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