Backlit Display; Bluetooth Communication; Relative Measurement; Dial Settings - Sperry instruments DM6850T Operating Instructions Manual

4.0 FUNCTIONS
4.1 MAX/MIN BUTTON
1. Press MAX/MIN once to enter MAX mode. The symbol "MAX" will appear on the display
and the display will show the maximum reading that the meter measures while in this mode.
2. Press MAX/MIN again to enter MIN mode. The symbol "MIN" will appear on the display
and the display will show the minimum reading that the meter measures while in this mode.
3. To exit the MAX/MIN mode and erase stored readings, press and hold down the
MAX/MIN button or turn the rotary switch.
4.2 HOLD BUTTON
1. Press HOLD once to enter data hold mode and freeze the displayed value.
The symbol will appear on the display.
2. Press HOLD again to exit data hold mode and resume normal measurement mode.
4.3 AUTO POWER OFF
Autorange MAX MIN
1. The symbol on the display indicates that the auto power-off feature is enabled. If you have not operated the meter for 15 minutes,
1 . 8 . 8 . 8
the meter will turn off automatically and go into Sleep mode. It will beep 1 minute prior to turning off as a warning. To wake the meter
from Sleep mode, turn the rotary switch or press a button.
2. To disable the automatic power-off function, hold down the "SELECT" button while turning the meter on.
AC
Autorange MAX MIN
The symbol will be absent from the display.
1 . 8 . 8 . 8
DC

4.4 BACKLIT DISPLAY

1. Press and hold the HOLD button for at least 2 seconds to turn on the LCD display backlight.
AC
2. Press and hold the HOLD button again for at least 2 seconds to turn off the LCD display backlight.
DC

4.5 BLUETOOTH COMMUNICATION

1. Press and hold the "SELECT" button for at least 2 seconds to turn on Bluetooth communication.
The symbol will appear on the display. By using the Bluetooth communication function,
this multimeter can communicate with Android or iOS based smart devices with Bluetooth connectivity.
Note: When the Bluetooth communication function is enabled, the automatic power-off function is disabled automatically.
2. Press and hold the "SELECT" button for at least 2 seconds to turn off Bluetooth communication.
The symbol will be absent from the display.

4.6 RELATIVE MEASUREMENT

1. The meter has a relative measurement feature that will display measured values as the difference
between the measured value and the stored value.
2. While taking a measurement press the RELATIVE button to put the meter in the relative value measurement mode.
The symbol will appear on the display.
3. Pressing the RELATIVE button makes the current displayed value a reference value in memory.
Subsequent measurements will be displayed as the measured value minus the stored reference value.
The symbol will be displayed while the meter is in relative measurement mode.
4. The meter does not auto range during this function. The meter will display "OL" if the measurement exceeds the range.
5. Press the RELATIVE button again to resume normal operation.
4.7 DATALOGGING & RECORDING MEASUREMENTS
1. Hold the RELATIVE button for about 2 seconds to start or stop recording readings to the memory of the meter. The
will appear on the display. See section 7.0 DATALOGGING & GET LOCAL for more information on the datalogging feature.
Note: When the Bluetooth communication function is enabled, the automatic power-off function is disabled automatically.
2. To stop datalogging, hold the RELATIVE button again for about 2 seconds.

5.0 DIAL SETTINGS

5.1 AC/DC VOLTAGE
AC Volts
To avoid personal injury or damage to the meter, do not attempt to measure voltages higher than 600V AC.
1. Insert the black (negative) test lead into the COM input terminal.
2. Insert the red (positive) test lead into the INPUT terminal to the right of the COM terminal.
3. Set the Rotary Switch to
4. Press the "SELECT" button until AC is shown on the display.
5. Touch the test leads to the circuit under test. With AC voltage, the polarity of the test leads is not a factor.
Note: It is best to touch one of the test leads to ground or neutral first and then touch the 2nd test lead to the hot wire.
6. Read the value of the measurement displayed.
7. Typical AC Voltage measurements include wall outlets, appliance outlets, motors, light fixtures and switches.
A
400A
A 400A
5
symbol