Campbell Scientific PWS100 Present Weather Sensor - Manual (Page 19)

Section 5. Specifications
5.1 Mechanical Specifications
Measuring Area: 40 cm 2 (6.2 in 2 )
Housing Materials: Iridite NCP conversion coated aluminium
(RoHS compliant) and hard anodized
aluminium. Outer parts also coated with marine
grade paint.
Weight: 8.2 kg (18 lb) excluding power supply /
communications enclosure
Shipping Weight: 20.4 kg (45 lb)
Dimensions: 115 cm × 70 cm × 40 cm (42.3 in × 27.6 in ×
15.8 in)
Mountings: U-bolt mounting to mast or pole with outer
diameter from 1.25 in to 2.07 in
5.2 Electrical Specifications
Power Requirements: DSP power 9 to 24 V, (9 to 16 V limit when
using CS215-PWS or other SDI-12 sensors).
Current consumption 200 mA no dew heater or
SDI-12, 1 A with dew heater and SDI-12. The
currents are lower at high supply voltages as
the sensor uses SMPS technology. Hood
heater 24 Vac or dc, 7 A.
It is the responsibility of the user to ensure that any local
regulations, regarding the use of power supplies, are adhered to. NOTE
Communication: RS-232, RS-422, RS-485. Baud rate of 300 bps
to 115.2 kbps supported.
Control Unit: Custom DSP board
EMC Compliance: Tested and conforms to BS EN 61326:1998.
Class A device. May cause interference in a
domestic environment.
5-1