Tektronix DMM870

Handheld Instruments Basic Service
1
DMM800 Series Digital Multimeters
The Tektronix DMM800 Series digital multimeters provide many features.
Table 1 lists the features of each meter for easy comparison.
Figure 1: DMM870 Digital Multimeter
Table 1: DMM800 series digital multimeter features
Feature DMM830 DMM850 DMM870
40,000 display count   
Bargraph   
C entering and zooming  
True R MS or average AC measurements   
Autorange   
Measurements
DC /AC voltage   
AC + DC voltage   
DC /AC current   

Tektronix DMM870 Specifications

General

Temperature Range	-200 °C to 1372 °C
Display	4.5 digit LCD
AC Current Range	0 to 10 A
Resistance Accuracy	0.1% + 2 digits
Capacitance Range	1 nF to 100 µF
Interface	USB, RS-232
Power Supply	AC adapter

Summary

DMM800 Series Specifications

General Specifications

Measurement Characteristics

Provides detailed accuracy and range specifications for various measurement types.

DMM800 Series Performance Verification

Test Equipment for Performance Verification

Lists required test equipment and minimum requirements for verification.

Setup for Performance Verification

AC Volts Check

Procedure to verify AC voltage measurement accuracy.

DC Volts Check

Procedure to verify DC voltage measurement accuracy.

DC Millivolts Check

Procedure to verify DC millivolt measurement accuracy.

AC+DC Volts Check

Procedure to verify AC+DC voltage measurement accuracy.

Frequency Check

Procedure to verify frequency measurement accuracy.

Duty Factor Check

Procedure to verify duty factor measurement accuracy.

Check

Procedure to verify resistance measurement accuracy in Ω mode.

Low Voltage Check

Procedure to verify resistance measurement accuracy in LV mode.

Continuity Check

Diode Check

Capacitance Check

Temperature Check

Volts Peak Hold Check

DC Milliampere Check

AC Milliampere Check

DC Ampere Check

AC Ampere Check

DMM800 Series Adjustment Procedures

List of DMM800 Series Adjustments

Lists the calibration adjustments available for DMM800 series multimeters.

Test Equipment and Preparation for Adjustment

Part 1 Adjustments

Details calibration adjustments for DC Volts, AC Volts, Capacitance, Temperature, Milliamperes, and Amperes.

Part 2 AC Response Adjustment

Procedure to adjust AC voltage calibration for frequencies above 60 Hz.