Tektronix DMM850

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 DMM850 Specifications

General

Digits	6.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Basic AC Voltage Accuracy	0.06%
Measurement Types	DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature, Capacitance
DC Current Range	100 μA to 10 A
AC Current Range	100 μA to 10 A
Interface	USB, LAN, GPIB
Power Supply	100 V to 240 V, 50 Hz to 60 Hz
Temperature Range	-200 °C to +850 °C (Type K Thermocouple)

Summary

DMM800 Series Performance Verification

AC Volts Verification

Verifies AC voltage measurement accuracy using a calibrator.

DC Volts Verification

Verifies DC voltage measurement accuracy using a calibrator.

DC Millivolts Verification

Verifies DC millivolt measurement accuracy using a calibrator.

AC+DC Volts Verification

Verifies AC+DC voltage measurement accuracy using a calibrator.

Frequency Verification

Verifies frequency measurement accuracy using a calibrator.

Duty Factor Verification

Verifies duty factor measurement accuracy.

Resistance () Verification

Verifies resistance measurement accuracy.

Low Voltage Resistance () Verification

Verifies resistance measurement accuracy in Low Voltage mode.

Continuity Verification

Verifies continuity check functionality.

Diode Verification

Verifies diode check accuracy using a calibrator.

Capacitance Verification

Temperature Verification

Volts Peak Hold Verification

DC Milliampere Verification

AC Milliampere Verification

DC Ampere Verification

AC Ampere Verification

DMM800 Series Adjustment Procedures

DC Voltage Calibration

AC Voltage Calibration

Capacitance Calibration

Temperature Calibration

DC Milliamperes Calibration

DC Amperes Calibration

AC Response Calibration