Introduction; Controls And Indicators; Front-Panel Feature Descriptions - Fluke 8845A User Manual

Introduction

The Meter can be controlled either by sending commands through one of its
communication interfaces or by manual manipulation of its front panel controls. This
chapter explains the function and use of the controls and indicators located on the front
and rear panels of the Meter. Operating the Meter through its computer interfaces is
covered in the Programmers Manual.

Controls and Indicators

Front-Panel Feature Descriptions

Table 3-1 shows the Meter's front-panel controls and connectors.
1 2
INPUT SENSE
V 4 W
2W/4W
HI
1000 V CAT I
600V CAT II
LO
1V
FUSED
100
mA
REAR FRONT
16
15
Item
Input HI and LO connectors. Input connectors for Volts, 2-wire Ohms, Hz, Period,
Temperature, and Capacitance measurements. All measurements use the Input LO
A
connector as a common input. The LO input is isolated, and may be safely floated
up to 1000 V peak above earth ground regardless of the measurement type. 1000 V
is the maximum voltage rating between the Input HI and LO connectors.
Table 3-1. Front-Panel Controls and Connectors
3
8846A 6-1/2 DIGIT PRECISION MULTIMETER
HI
300V
LO
BACK
F1
10A
DC V ACV
RANGE
FREQ
PERIOD
14
13
F2 F3 F4
DC I AC I TRIG
TEMP ZERO
ANALYZE
12
11
8845A Only
FREQ
PERIOD
Description
Front-Panel Operation

Introduction

4
F5
MEMORY
INSTR
SETUP
MEAS
SETUP
10 8 6
9 7 5
caw04.eps
3
3-3