Introduction; Precautions; Initial Inspection; Components - Campbell KH20 Product Manual

KH20 Krypton Hygrometer
1.

Introduction

2.

Precautions

3.

Initial Inspection

3.1

Components

4.

Overview

The KH20 is a highly sensitive hygrometer designed for measurement of rapid
fluctuations in atmospheric water vapor, not absolute concentrations. It is
typically used together with a CSAT3B in eddy-covariance systems.
• READ AND UNDERSTAND the
manual.
• Although the KH20 is rugged, it should be handled as precision scientific
instrument.
Upon receipt of the KH20, inspect the packaging and contents for damage.
•
File damage claims with the shipping company.
The model number and cable length are printed on a label at the
•
connection end of the cable. Check this information against the shipping
documents to ensure the correct product and cable length are received (see
Section 3.1, Components
The KH20 sensor consist of a sensor head with 2 m (6 ft) cables and an
electronics box. The following are also shipped with the KH20:
• KH20CBL-L25 Power/Signal cable with 8 m (25 ft) length. If a
longer cable is desired, order a KH20CBL-L replacement cable and
specify the desired length after -L (for example KH20CBL-L50).
1/2 Unit Desiccant Bag
•
Rain Shield
•
• Horizontal Mounting Boom (51 cm 20 mm DN (20-inch 3/4 IPS)
threaded aluminum pipe)
3/4 x 3/4 in. Nu-Rail Crossover Fitting
•
4 mm (5/32 in) Allen Wrench
•
The KH20 is a krypton hygrometer for measuring water vapor fluctuations in
the air. The name KH20 (KH-twenty) was derived from KH2O (K-H
the sensor has been known with this name since 1985. It is typically used with
Safety section at the back of this
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