Mounting HMP155 and DTR13 on horizontal support arm - HMP155

4‑mm Allen key

Mount the humidity and temperature probe at the opposite end of the support arm from the solar radiation sensor.

1

Radiation shield (DTR13)

2

Support arm (212564)

3

Flat washer A5.3 DIN125 (2 pcs)

4

Spring washer B5 DIN127 (2 pcs)

5

Hex screw M5×16 DIN912 (2 pcs)

6

HMP155

7

T‑probe adapter (221069) (optional)

8

Additional T‑probe (optional)

1. Mount the radiation shield on the support arm. Tightening torque 5 Nm.

   

   1

   Radiation shield

   2

   Support arm

   3

   Flat washer A5.3 DIN125 (2 pcs)

   4

   Spring washer B5 DIN127 (2 pcs)

   5

   Hex screw M5×16 DIN912 (2 pcs)

2. Remove the protective cover from the probe.

   

3. Lead the sensor cable through the connector cover, and attach the cable to the probe.

   

4. Loosen the screw of the sensor clamp with your fingers and insert the HMP155 probe in the larger outer hole at the bottom of the radiation shield.

   

   1

   Hole for additional T‑probe

   2

   Hole for HMP155 probe

5. Install the optional T‑probe.

   

   1

   Knob

   2

   O-ring

   3

   T‑probe adapter

   4

   Cable tie

   5

   T‑probe

   1. Insert the T‑probe into to the T‑probe adapter.
   2. Fasten the T‑probe into the adapter using the knob.
   3. Fasten the cable to the adapter with a cable tie.
   4. Insert the adapter into the smaller outer hole in DTR13.
6. Push the connector cover over the probe connector.
7. Tighten the screw without using excessive force.
8. Lead the sensor cable along the support arm and attach the cable to the support arm with cable ties. Connect the sensor cable to the M12 connector in HMP155.