Campbell Scientific CPEC200 Closed-Path Eddy-Covariance System - Manual (Page 27)

CPEC200 Closed-Path Eddy-Covariance System
The outlet of the pump connects the Exhaust fitting on the bottom of the pump
module enclosure. This fitting has a screen to prevent insects or debris from
entering when the pump is off.
4.3 Specifications
System
Operating temperature: –30° to +50°C
Input voltage: 10.5 to 16.0 Vdc
Power: 12 W (typical), 35 W (max, at cold startup)
System enclosure
Dimensions: 52.1 x 44.5 x 29.7 cm (20.5 x 17.5 x 11.7 in)
Weight basic system: 11.6 kg (25.5 lb)
CR3000: 1.6 kg (3.7 lb)
CFM100/NL115: 0.2 kg (0.4 lb)
Three-valve module: 1.5 kg (3.3 lb)
Six-valve module: 1.9 kg (4.2 lb)
Pump module
Cable length: 3.0 m (10 ft)
Inlet connection: 3/8-in Swagelok ®
Pressure sensor range: 15 to 115 kPa
Pumping speed: 3 to 9 LPM (automatically controlled at the
set-point, typically 7 LPM)
Dimensions: 35.6 x 29.2 x 13.5 cm (14.0 x 11.5 x 5.3 in)
Weight w/ out mounting: 5.4 kg (11.8 lb)
Valve module
Flow rate: 1 to 5 LPM (automatically controlled at the
set-point, typically 1 LPM)
Inlets
Three-valve module: Zero, CO
2
span, and H
2
O span
Six-valve module: Zero, CO
2
spans 1 through 4, and H
2
O span
Outlets: Analyzer and H
2
O bypass
Connections: 1/4-in Swagelok ®
Dimensions: 14.0 x 12.7 x 14.0 cm (5.5 x 5.0 x 5.5 in.)
Weight
Three-valve module: 1.5 kg (3.3 lb)
Six-valve module: 1.9 kg (4.2 lb)
EC155 and CSAT3A Specifications: see the user manual: EC155 CO
2
and
H
2
O Closed-path Gas Analyzer Manual and CSAT3 Three Dimensional Sonic
Anemometer Manual
5. Installation
The following tools are required to install the CPEC200 system in the field.
Additional tools may be required for a user-supplied tripod or tower.
• 9/16-in, open-end wrench
• 1/2-in, open-end wrench
• 11/16-in, open-end wrench
• Adjustable wrench
17