Filter
Top Products
Model 187 & 189
Users Manual
iv
6 Maintenance ................................................................................................................. 6-1
Introduction ....................................................................................................................6-1
General Maintenance..................................................................................................... 6-1
Testing the Fuses........................................................................................................... 6-1
Replacing the Batteries.................................................................................................. 6-3
Replacing the Fuses ...................................................................................................... 6-5
User-Replaceable Parts................................................................................................. 6-5
In Case of Difficulty ........................................................................................................ 6-5
7 Specifications............................................................................................................... 7-1
Safety and Compliances ................................................................................................ 7-1
Physical Specifications................................................................................................... 7-2
Feature Summary........................................................................................................... 7-3
Basic Specifications ....................................................................................................... 7-4
Detailed Accuracy Specifications ................................................................................... 7-5
Frequency Counter Sensitivity ....................................................................................... 7-11
Burden Voltage (A, mA, µA)........................................................................................... 7-11
Input Characteristics....................................................................................................... 7-12