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  1. Products
  2. Condition monitoring
  3. Systems for oil quality monitoring
  4. Moisture measurement in air and oil
  5. LDH100

Oil humidity sensor

LDH100

OIL HUMIDITY SENSOR

Oil humidity sensor

LDH100

OIL HUMIDITY SENSOR

  • Continual condition monitoring of oils
  • Two analogue outputs for relative moisture and temperature
  • High pressure rating
  • Quick installation via process connection
For 8-pole sockets the core colours are not standardised. Please note the wiring of the sensor and the sockets (see data sheet).
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Product characteristics
Number of inputs and outputs Number of analogue outputs: 2
Process connection G 3/4
Application
Media mineral oils; synthetic esters; biodegradable oils
Tank pressure [bar] 50
Oil
Medium temperature [°C] -40...105
Electrical data
Operating voltage [V] 9...33 DC
Current consumption [mA] < 25
Protection class III
Reverse polarity protection no
Measuring principle capacitive
Inputs / outputs
Number of inputs and outputs Number of analogue outputs: 2
Outputs
Total number of outputs 2
Number of analogue outputs 2
Analogue current output [mA] 4...20
Max. load [Ω] (Ub - 8) x 25
Resolution of analogue output φ: 1% / T: 0.1 K
Measuring/setting range
Temperature monitoring
Measuring range [°C] -20...120
Accuracy / deviations
Accuracy φ: ± 3 % / T: ± 2 %
Response times
Response time [s] 1.3
Operating conditions
Ambient temperature [°C] -40...85
Storage temperature [°C] -40...85
Max. relative air humidity [%] 100
Protection IP 67
Tests / approvals
EMC
EN 13309
IEC 61000-6-2 : 2005
IEC 61000-6-4 : 2006 + AMD1: 2010
Vibration resistance
test following DIN EN 60068-2-6
MTTF [years] 90
Mechanical data
Weight [g] 176.5
Materials (wetted parts) aluminium; HNBR; polyurethane resin; epoxy resin
Process connection G 3/4
Remarks
Remarks
accuracy values expressed in percent refer to the measuring span
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; coding: A