LUDLUM 3019 Digital Background Survey Meter (500 µSv/h (50 mR/hr))

Sensitivity: 175 cpm per µR/hr

Linearity: Reading within 10% of true value

Display: 3 digit LCD with large 20 mm (0.8 in.) digits.

Units: (k)cps, (k)cpm, (µ)(m)R(/h), (µ)(m)Sv(/h)

Indicators: bar graph, MAX, ALARM, USB, audio, low-battery.

Detector Range: Background to 500 µSv/h (50 mR/hr)

Data Logging: Can store up to 1000 data points internally. Requires Lumic Data Logger Kit (see Options).

Response Time: User-selectable from 1 to 60 seconds, or Auto-Response Rate FAST or SLOW

Alarms: Two adjustable count rate, exposure/dose, and count alarm setpoints adjustable over the display range (see manual)

High Voltage: 400 to 1500 Vdc

Threshold: -20 to -100 mVdc

Audio: Approximately 4.5 kHz, click audio greater than 65 dB at 0.6 m (2 ft), alarm audio greater than 72 dB

Power: Four alkaline “AA” batteries

Battery Life: Approximately 750 hours of operation (as low as 100 hours with backlight configured for continuous-on), 16-hour low battery warning

Construction: High-impact plastic with water-resistant rubber seals and separate battery compartment

Temperature Range: -20 to 50 °C (-5 to 122 °F)

May be certified for operation from -40 to 65 °C (-40 to 150 °F)

Environmental Rating: NEMA rating of 5 or IP rating of 53

Size (H x W x L): 16.5 x 11.4 x 21.6 cm (6.5 x 4.5 x 8.5 in.)

Weight: 1.06 kg (2.3 lb)

Datasheet

Manual