NOVUS RHT-P10 User Manual
R h t - p 1 0, Installation, Electrical connections
INSTALLATION
The RHT-P10 electronic housing is designed for wall mounting, while its remote sensor probe is
intended for inserting and screwing in a flange.
Remove the housing front panel to access the two fixing holes, shown in Figure 07.
Figure 06 –Electronic module dimensions
Figure 07 – Fixing holes
Figure 08 – Probe dimensions
Figure 09 – Mounting flange
Note: The flange is not bundled with the transmitter. It must be ordered separately.
ELECTRICAL CONNECTIONS
The transmitter can be ordered as 4-20 mA current output or 0 to 10 Vdc voltage output. The
output signal is defined on purchase and cannot be later changed.
Variables can be monitored together or separately. Combinations of mobile jumpers J4 and J5
within the transmitter case define how variables will be used. The jumpers also define the
transmitter terminals with available output signals.
Jumper J5
Jumper J4
OUT1
OUT2
Position A
Position A
Temperature
Humidity
Position A
Position B
Temperature
Off
Position B
Position A
Humidity
Off
Position B
Position B
Humidity
Temperature
Table 01 – Configuration of OUT1 and OUT2 outputs
Figure 10 – J4 and J5 position within the transmitter
Figures 11 and 12 show the required electrical connections.
Check that loop OUT1 must always be powered in 4-20 mA model!
Figure 11a – 4-20 mA connections
Figure 12a – 0-10 Vdc connections
Figure 11b – 4-20 mA connections with single source
Figure 12b – 4-20 mA model with single source
and load with two input channels
LOAD represents the output signal measurement equipment (controller, register, etc).
The connection wires go inside the transmitter trough to the cable gland mounted in the
transmitter case.
INSTALLATION RECOMMENDATIONS
Conductors of small electrical signals must be distant from activation or high-tension/current
conductors, preferably passing through grounded conduits.
A specific electrical power supply network should be provided for instruments use only.
In controlling and monitoring applications, possible consequences of any system failure
must be considered in advance.
RC filters (47 R and 100 nF, serial) in inductor charges (contactors, solenoids, etc.) are
recommended.
H U M I D I T Y A N D T E M P E R A T U R E T R A N S M I T T E R
R H T - P 1 0
O P E R A T I N G M A N U A L
Man 5000224
ATTENTION
The calibration of the humidity sensor may change in case it is exposed to contaminating vapors
or to high humidity and temperature conditions for extended periods. In order to speed up the
calibration restoration, proceed as described below:
Remove the sensor from the capsule.
Wash it with water in case there are solid particles on it.
Place it within a 80 °C (+-10 °C) oven for 24 hours.
Place it for 48 hours in a place with a temperature between 20 and 30 °C and humidity over
75 % RH.
Place the sensor back in the capsule.
WARRANTY
Warranty conditions are available on our web sit