Campbell Scientific A150 A150 Desiccated Case - Page 7

Specifications, Sensor Hook-up and Example Diagrams

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A150 Desiccated Case 3. Specifications Dimensions: 80 mm x 82 mm x 55 mm (3.15" x 3.228" x 2.171") Temperature Range: -30ºC to +65ºC Internal Protection Rating: IP 66 (International Standard IEC 60529) Terminal Block Wire Gauges: 28-12 5-wire Lever Nut Wire Gauges: 28-12 (replacement part number 27373) Cable Gland Min/Max Cable Diameter: 4.6 mm/7.9 mm (0.181"/0.312") Desiccant Bag (1/2 Unit) Replacement Part Number: 905 Velcro® Strap Replacement Part Number: 5487 Humidity Indicator Card Replacement Part Number: 6571 4. Sensor Hook-up and Example Diagrams There are three options available when ordering the A150. The first option includes a stripped and tinned continuation cable. The length of this cable is specified when ordering the A150. The second option includes a PWENC connector, allowing the A150 to be attached to prewired enclosures. The third option includes a connector to attach the A150 to the CWS900 wireless sensor interface. The CWS900 completes the connection to the datalogger through a wireless sensor network. Figure 3 shows the pin-out of the CWS900 connector. Take care that the sensor wires attached to the A150 correspond to the correct pins as shown in the diagram. Pin 1 SE3 Pin 6 SE2 or DIFF L Pin 5 SE1 or DIFF H Pin 2 Pulse Pin 4 EX (2.5V, 3.3V, or 5V) Pin 3 Ground FIGURE 3. CWS900 Connector Pin-Out 3

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A150 Desiccated Case
3.
Specifications
Dimensions:
80 mm x 82 mm x 55 mm (3.15" x 3.228" x 2.171")
Temperature Range:
-30ºC to +65ºC
Internal Protection Rating:
IP 66 (International Standard IEC 60529)
Terminal Block Wire Gauges:
28–12
5-wire Lever Nut Wire Gauges:
28–12 (replacement part number 27373)
Cable Gland Min/Max Cable Diameter:
4.6 mm/7.9 mm (0.181"/0.312")
Desiccant Bag (1/2 Unit) Replacement Part Number:
905
Velcro
®
Strap Replacement Part Number:
5487
Humidity Indicator Card Replacement Part Number:
6571
4.
Sensor Hook-up and Example Diagrams
There are three options available when ordering the A150.
The first option
includes a stripped and tinned continuation cable.
The length of this cable is
specified when ordering the A150.
The second option includes a PWENC connector, allowing the A150 to be
attached to prewired enclosures.
The third option includes a connector to attach the A150 to the CWS900
wireless sensor interface.
The CWS900 completes the connection to the
datalogger through a wireless sensor network.
Figure 3 shows the pin-out of the CWS900 connector.
Take care that the
sensor wires attached to the A150 correspond to the correct pins as shown in
the diagram.
Pin 6
SE2 or DIFF L
Pin 1 SE3
Pin 2 Pulse
Pin 3 Ground
Pin 5
SE1 or DIFF H
Pin 4 EX
(2.5V, 3.3V, or 5V)
FIGURE 3.
CWS900 Connector Pin-Out
3