Campbell Scientific WXT520 WXT520 Weather Transmitter - Page 9

Installation

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WXT520 Weather Transmitter 5.5 Air Temperature Measurement Range: Accuracy: Output Resolution: -52° to +60°C ±0.3°C @ +20°C 0.1°C 5.6 Relative Humidity Measurement Range: Accuracy: Output Resolution: 0 to 100% RH ±3% RH @ 0 to 90% RH; ±5% RH @ 90 to 100% RH 0.1% RH 5.7 Assembly Compatible Dataloggers: CR200(X)-series, CR800, CR850, CR1000, CR3000, CR5000, CR510, CR10(X), CR23X Electromagnetic Compatibility: Complies with EMC standard EN61326-1; IEC standards: IEC 60945/61000-4-4, IEC 60945/61000-4-2 Input Voltage: 5 to 30 Vdc Typical Current Drain @ 12 Vdc: 3 mA with default measuring intervals; 0.1 mA (SDI-12 standby) Output: SDI-12 as configured by Campbell Scientific; RS-292 and RS-485 also available Operating Range: -52° to +60°C; 0 to 100% RH Dimensions: 24.0 cm (9.4 in) height, 12.0 cm (4.7 in) diameter Weight: 650 g (1.43 lb) 6. Installation 6.1 Mounting to a Campbell Scientific Crossarm The WXT520 is mounted to a CM202, CM204, or CM206 crossarm using the 18311 mounting tube, which is shipped with the WXT520. The 18311 mounting tube fits in the bottom of the WXT520, and is fastened to a crossarm via the CM220 Mounting Kit. Alternatively, the 17953 1-in. x 1-in. NU-RAIL fitting can be used instead of the CM220 for mounting to a crossarm. 6.2 IP66 Mounting Device Campbell Scientific offers the 25299 mounting kit that provides better protection from water intrusion. When using the 25299, the WXT520's IP classification is increased from IP65 to IP66. To attach the 25299 to the WXT520, place the L-shaped tabs into the notches on the bottom of the WXT520 (see FIGURE 6-1). Turn the WXT520 until the mount is locked into place. Once the 25299 is in place, the WXT520 is mounted to a mast or crossarm using the method described in Section 6.1, Mounting to a Campbell Scientific Crossarm. 3

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WXT520 Weather Transmitter
5.5
Air Temperature
Measurement Range:
-52° to +60°C
Accuracy:
±0.3°C @ +20°C
Output Resolution:
0.1°C
5.6
Relative Humidity
Measurement Range:
0 to 100% RH
Accuracy:
±3% RH @ 0 to 90% RH; ±5% RH @ 90 to 100% RH
Output Resolution:
0.1% RH
5.7
Assembly
Compatible Dataloggers:
CR200(X)-series, CR800, CR850, CR1000,
CR3000, CR5000, CR510, CR10(X), CR23X
Electromagnetic
Compatibility:
Complies with EMC standard EN61326-1;
IEC standards: IEC 60945/61000-4-4, IEC
60945/61000-4-2
Input Voltage:
5 to 30 Vdc
Typical Current Drain
@ 12 Vdc:
3 mA with default measuring intervals;
0.1 mA (SDI-12 standby)
Output:
SDI-12 as configured by Campbell Scientific;
RS-292 and RS-485 also available
Operating Range:
-52° to +60°C; 0 to 100% RH
Dimensions:
24.0 cm (9.4 in) height, 12.0 cm (4.7 in) diameter
Weight
:
650 g (1.43 lb)
6.
Installation
6.1
Mounting to a Campbell Scientific Crossarm
The WXT520 is mounted to a CM202, CM204, or CM206 crossarm using the
18311 mounting tube, which is shipped with the WXT520.
The 18311 mounting tube fits in the bottom of the WXT520, and is fastened to
a crossarm via the CM220 Mounting Kit.
Alternatively, the 17953
1-in. x 1-in. NU-RAIL fitting can be used instead of the CM220 for mounting
to a crossarm.
6.2
IP66 Mounting Device
Campbell Scientific offers the 25299 mounting kit that provides better
protection from water intrusion.
When using the 25299, the WXT520’s IP
classification is increased from IP65 to IP66.
To attach the 25299 to the WXT520, place the L-shaped tabs into the notches
on the bottom of the WXT520 (see FIGURE 6-1).
Turn the WXT520 until the
mount is locked into place.
Once the 25299 is in place, the WXT520 is
mounted to a mast or crossarm using the method described in Section 6.1,
Mounting to a Campbell Scientific Crossarm
.
3