LUDLUM 14C General Purpose Survey Meter (GM, Scintillation, 0 ~ 20 mSv/hr)

Application: Alpha, Beta, and Gamma surveying 

Internal Detector:

  Energy compensated GM (used with ×1000 scale only)

  Range: 0 to 20 mSv/hr (0 to 2000 mR/hr) 

  Sensitivity: 200 cpm per mR/hr

Compatible External Detectors: Any GM or Scintillation type operating on 900 VDC (see Compatible Detectors tab) 

Detector Channels: External Detector: ×0.1 through ×100 range settings

Internal GM Detector: ×1000 setting 

Energy Response: Within 15% of true value between 60 keV to 3 MeV (internal detector only) 

Linearity: Reading within 10% of true value with detector connected 

Meter Dial: 0 - 2 mR/hr, 0 - 5 kcpm, BAT TEST

(Meter Faces tab lists other available meter faces)

Meter: 6.4 cm (2.5 in.) arc, 1 mA analog type 

High Voltage: 900 Vdc

Threshold: -40 mV to 10 mV 

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

Relative Humidity: < 95%

Power: 2 each "D" cell batteries (housed in an externally accessible sealed compartment)

Construction: Cast and drawn aluminum with beige powder coat

Connector: Series "C" (others available)

Size (H x W x L): 16.5 × 8.9 × 21.6 cm (6.5 × 3.5 × 8.5 in.)

Weight: 1.6 kg (3.5 lb), including batteries