Ground Resistance Tester Models 3711 and 3731
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Indicates the Auto-Off feature is deactivated and the instrument
stays on permanently (until turned off by the user). With no
symbol displayed, after 5 minutes of non-use the instrument will
automatically shut itself off. The Auto-Off feature is turned
On/Off by pressing Hold at power-up.
Display flashes this symbol (1/second) during a low battery
condition. Measurements are still possible. When this symbol is
displayed continuously, measurements are no longer possible.
Battery replacement is necessary.
Indicates the approximate percentage of useful battery life
remaining (0-100%). This function is displayed only upon initial
power-up when the ON push-button is held down for more than
2 seconds.
The overload symbol will illuminate when the measurement
reading is beyond the limits of the instrument:
Resistance > 1200Ω
Current > 30.00A rms
The beeper is activated in current overload.
Additional Features of the Model 3731
Indicates that an alarm set point is set in memory. Alarm set
points may be set from 1 to 199Ω. Arrows indicate whether the
measured value is above or below alarm setpoint.
Memory function is activated. Ninety-nine (99) separate values
may be logged for either resistance (Ω), current (A) or a
combination thereof. At the 99th value, display number will blink
indicating that memory is full.
Memory recall register. Displays the numbered value being
recalled from memory (1-99).
Note: Models 3711 and 3731 share the same LCD and display all
segments at power-up. Functions not available on the 3711 are
displayed at power-up.
MEM
MR
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