Tektronix DMM912 User manual

DMM912, DMM914 & DMM916
Digital Multimeter Instructions
070-9791-01
1

Copyright Tektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents,
issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and
price change privileges reserved.
Printed in Hong Kong.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX, TEK, and TekTools are registered trademarks of
Tektronix, Inc.

WARRANTY SUMMARY
Tektronix warrants that the products it manufactures and
sells will be free from defects in materials and workman-
ship for a period of three years from the date of purchase
from an authorized Tektronix distributor. If a product or
CRT proves defective within the respective period,
Tektronix will provide repair or replacement as described
in the complete warranty statement.
To arrange for service or obtain a copy of the complete
warranty statement, please contact your nearest Tektronix
distributor.
EXCEPT AS PROVIDED IN THIS SUMMARY OR
THE APPLICABLE WARRANTY STATEMENT,
TEKTRONIX MAKES NO WARRANTY OF ANY
KIND, EXPRESS OR IMPLIED, INCLUDING WITH-
OUT LIMITATION THE IMPLIED WARRANTIES OR
MERCHANTABILITY AND FITNESS FOR A PAR-
TICULAR PURPOSE. IN NO EVENT SHALL
TEKTRONIX BE LIABLE FOR INDIRECT, SPECIAL
OR CONSEQUENTIAL DAMAGES.

1–1
DMM912/914/916
Table of Contents
Safety 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Description 1–5. . . . . . . . . . . . . . . . . . . . . . .
Front Panel Overview 1–7. . . . . . . . . . . . . . . . . . . . . .
Display indicators 1–8. . . . . . . . . . . . . . . . . . . . . . .
Buttons 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifted buttons 1–12. . . . . . . . . . . . . . . . . . . . . . . . .
Setup buttons 1–14. . . . . . . . . . . . . . . . . . . . . . . . . .
Rotary dial functions 1–16. . . . . . . . . . . . . . . . . . . . .
Input connectors 1–18. . . . . . . . . . . . . . . . . . . . . . . .
Operating Basics 1–20. . . . . . . . . . . . . . . . . . . . . . . . . .
Safe test lead connections 1–21. . . . . . . . . . . . . . . . .
AC voltage measurements 1–22. . . . . . . . . . . . . . . . .
DC voltage measurements 1–23. . . . . . . . . . . . . . . .
AC + DC measurements 1–24. . . . . . . . . . . . . . . . . .
Frequency measurements 1–25. . . . . . . . . . . . . . . . .
Resistance measurements 1–26. . . . . . . . . . . . . . . .
Continuity checks 1–27. . . . . . . . . . . . . . . . . . . . . . .
Diode testing 1–28. . . . . . . . . . . . . . . . . . . . . . . . . .
Capacitance measurements 1–29. . . . . . . . . . . . . . .
Current measurements 1–30. . . . . . . . . . . . . . . . . . .
Temperature measurements 1–31. . . . . . . . . . . . . . .

1–2 DMM912/914/916
Special Feature Descriptions 1–32. . . . . . . . . . . . . . . . .
Auto power off 1–32. . . . . . . . . . . . . . . . . . . . . . . . .
Hold 1–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto hold 1–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto fuse detection 1–32. . . . . . . . . . . . . . . . . . . . . .
Probe input guard 1–33. . . . . . . . . . . . . . . . . . . . . . .
Beeper 1–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HI/LO 1–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MIN/MAX/AVE operation 1–34. . . . . . . . . . . . . . . . . .
Battery and Fuse Replacement 1–35. . . . . . . . . . . . . . .
Specifications 1–36. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 1–45. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Care and Cleaning 1–46. . . . . . . . . . . . . . . . . .

DMM912/914/916 1–3
Safety
Review the following safety precautions to avoid injury
and prevent damage to this product or any products
connected to it. To avoid potential hazards, use the
product only as specified.
CAUTION. These statements identify conditions or
practices that could result in damage to the
equipment or other property.
WARNING.These statements identify conditions or
practices that could result in personal injury or
loss of life.
Symbols on the product
Refer to
manual Double Insulated High Voltage
Specific precautions
Use proper fuse. To avoid fire hazard, use only the fuse
type and rating specified for this product.
Do not operate without covers. To avoid personal injury, do
not apply any voltage or current to the product without
the covers in place.
Electric overload. Never apply a voltage to a connector on
the product that is outside the range specified for that
connector.

1–4 DMM912/914/916
Avoid electric shock. To avoid injury or loss of life, do not
connect or disconnect probes or test leads while they are
connected to a voltage source.
Do not operate in wet/damp conditions. To avoid electric
shock, do not operate this product in wet or damp condi-
tions.

DMM912/914/916 1–5
Product Description
All three meters provide many features. Depending on
your meter type, all features described in this manual may
not apply.
The following list provides a comparison of the features
between meters.
Feature DMM912 DMM914 DMM916
40,000 display count D D D
Bargraph D D D
Centeringand zooming D D
True RMS or average AC
measurements D D D
Autorange D D D
Measurements
DC/ACvoltage D D D
AC + DC voltage D D D
DC/ACcurrent D D D
Resistance D D D
Frequency D D D
Diodes and capacitors D D D
Continuity D D D
Dutyfactor D D
Temperature D D
Decibel D

DMM912/914/9161–6
Feature DMM916DMM914DMM912
AC volts and amps with Hz
display D D
Measurementhold D D D
Peak hold D
Minimum, maximum, and average
values D D D
M/M/A time stamp D D
Deltamode D D D
HI/LO limits D D
Memory store and recall D D D
Backlight D
Automatic fuse verification D D D
Improperinput connection
warning D D D