THE WIDE RANGE ALPHA, BETA,GAMMA

GEIGER COUNTER

Model # TBM-6A

FEATURES: 5 RANGES: 0-0.2, 2, 20, 200, 2000 mR/h MEASURES BACKGROUND EASILY MEASURES ALPHA, BETA, GAMMA ON 3 MOST SENSITIVE RANGES. ANTI SATURATION CIRCUIT LIGHT WEIGHT; ACCURATE UPPER RANGE TO 2 R/hr

Figure 1: TBM-6A

SPECIFICATIONS:

• Ranges: 0-0.2, 2, 20, and 200 mR/hr (thin window external probe) 200, 2000 mR/hr (energy compensated - internal probe)
• Indicator: In addition to meter indication, a red LED flashes once for each count of the detector.
• Switch Positions:
     Rotary switch: OFF, x 1K, x 100, x 10, x 1, x 0.1
     Battery test switch: Push button.
• Audio: Piezoelectric - 103 Db at1 ft. with volume control.
• Detectors:
     Internal: Energy compensated detector ± 20% 80 KeV-1.2 MeV
     External: Low background thin end window alpha, beta, gamma probe on one meter; detachable coil cord.
• Anti-Saturation: Instrument will not fall below full scale in high fields. Tested to 100 times highest reading.
• Meter: Rugged meter with recessed glass face and jeweled movement.
• Probe Holder: Standard is T/A front mount for one handed surface monitoring.
• Dimensions: 3'' x 5-1/4'' x 2-1/4'' (7.6 x 13.3 x 5.7 cm) excluding handle and probe holder.
• Weight: 1-3/4 lbs.; 28 oz. (800g)
• Shipping Weight: 3 lbs. (1350g)
• Optional: Other units on meter readout such as SI or cps.

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