Section II. INSTALLATION

Section II

INSTALLATION

2.1

Physical

Outline dimensions for the unit are shown on drawing #0100-5097-01 contained in Section IV. The counter is

designed to be easily portable and is supplied via shock absorbing carrying case.

2.1.1

Bench Use

A tilt bar on the bottom cover snaps out and locks in place to facilitate viewing the readout when the

unit is resting on a bench or table.

2.1.2

Ventilation

Proper operation in severe environments necessitates proper air circulation around the unit to keep the

ambient temperature below the limit specified.

2.2

Electrical

Power ratings are included in the Specifications in Section I.

2.2.1

Power Connection

The counter is supplied with a switch which selects operation from either 115 VAC or 230 VAC

operation. For 230 V operation, reduce power fuse to a value one-half the value rated for 115 V

operation.

2.2.2

Power Connector

The counter is supplied with a separate detachable cord with three prong grounded power connectors.

2.2.3

Signal Connections

All signal connections are available at the rear of the unit. See Dwg. #0100-5097-01 for specific

details.

2.2.4

System Ground

This unit has the CHASSIS (earth ground) and the COMMON terminal connected (AC-wise) together

through a capacitor. The shell of input BNC connector(s) is permanently connected internally to circuit

COMMON. For this reason, the maximum allowable voltage (AC or DC) between CHASSIS and

COMMON is 200 V.

2-1