LUDLUM 9-7 Ion Chamber Display Unit (0.001 R/hr ~ 19.99 kR/hr)

Compatible Detectors: Sold separately.; Ludlum Models: See Detectors tab in datasheet; Eberline Models: RO-7-LD, RO-7-BM, RO-7-BH

Display: 3½-digit LCD with 1.3 cm (0.5 in.) digits, floating decimal point, and negative sign; backlit illumination controlled by switch

Indicators: 

Battery OK (green lamp)

kR/hr range active (red lamp)

Response Time: Approximately 2.5 seconds to 90% of final reading

Controls: 

OFF, BAT TEST, ON rotary power switch

LAMP ON-OFF toggle switch (for display backlight)

ZERO ADJUST knob

Power: Two "D" cell batteries, approximately 160 hour battery life

Temperature Range: -20 to 50 °C (-4 to 122 °F)

Humidity: 0 to 90%, non-condensing

Construction: Aluminum housing with beige powder coat, includes carrying handle and folding tripod stand

Size (H x W x L): 24.1 x 9.7 x 23.6 cm (9.5 x 3.8 x 9.3 in.), excluding detector

Weight: 1.6 kg (3.5 lb), including batteries

Datasheet

Detectors Datasheet

Manual