Auto Power Off; Cancellation Of Auto Power Off Feature; Specifications - Amprobe ACD-21SW User Manual

Auto Power off

1. Auto power off: approx. 10 minutes.
2. After auto power off, press any button to restart the meter, and the
reading of measurement will be maintained in the display.

Cancellation of Auto Power off feature:

• Press and hold the (RANGE) button while rotating function switch from off
to any position to turn the meter on.
• The auto power off feature is disabled.
• Note "APO" annunciator is missing from the LCD.

SPECIFICATIONS

Display: 3¾ digit liquid crystal display (LCD) with a maximum reading of 3999.
Polarity: Automatic, positive implied, negative polarity indication.
Over range: (OL) or (-OL) is displayed.
Zero: Automatic.
Low battery indication: The "  " is displayed when the battery voltage drops
below the operating level.
Measurement rate: 2 times per second, nominal.
Auto power off: Approx. 10 minutes.
Operating environment: 0°C to 50°C(32°F to 122°F) at < 70% relative humidity.
Storage temperature: -20°C to 60°C(-4°F to 140°F) at < 80% relative humidity.
Accuracy: Stated accuracy at 23°C±5°C, <75% relative humidity.
Temperature Coefficient: 0.1 × (specified accuracy) per °C. (0°C to 18°C, 28°C to
50°C).
Altitude: 6561.7 Feet (2000m).
Jaw opening capability: 30mm conductor.
Power: 1.5 volt battery x2, R03/SIZE AAA.
Battery life:75 hours typical with carbon-zinc (ACD-21SW /ACD-21SWC)
75 hours typical with carbon-zinc (ACD-20SW)
Dimensions: 240 × 70 × 41 mm (9.5 x 2.8 x 16 IN).
Weight: Approx. 7.7 oz. (220g).
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