Table of Contents
Advertisement
Quick Links
User's Guide
Frequency Counter
Model 381235
Introduction
Congratulations on your purchase of Extech's Frequency Counter. This meter will measure
frequency to 2.5GHz using test leads or the optional RF antenna. This professional meter,
with proper care, will provide years of safe reliable service.
Advertisement
Table of Contents
Related Manuals for Extech Instruments 381235
Summary of Contents for Extech Instruments 381235
- Page 1 User's Guide Frequency Counter Model 381235 Introduction Congratulations on your purchase of Extech’s Frequency Counter. This meter will measure frequency to 2.5GHz using test leads or the optional RF antenna. This professional meter, with proper care, will provide years of safe reliable service.
-
Page 2: Specifications
1GHz. The meter’s input impedance is a complex impedance, whereas the output of most signal generators is calibrated for a 50Ω resistive load. This will result in a terminal voltage different to that expected by the generator, and therefore a different sensitivity. 381235 Ver. 1.5 3/01... -
Page 3: Front Panel Description
Press the RESO key and observe the LCD each time for the different resolution/sampling rate combinations. The LCD flashes at the sampling rate selected. 8. The units for the 500/2500MHz ranges is MHz and the units for the 10HMz range is Hz. 381235 Ver. 1.5 3/01... - Page 4 The LCD will indicate –oL—and meter will emit an audible tone if one of the following conditions are met: a. Input signal exceeds 10MHz in 10MHz range b. Input signal exceeds 500MHz in 500MHz range c. Input signal = 0 (no input connected) for the PERIOD range. 381235 Ver. 1.5 3/01...
- Page 5 Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables).
Need help?
Do you have a question about the 381235 and is the answer not in the manual?
Questions and answers