Ludlum Model 12SA microR Survey Meter with Alarm
$1,500.00
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Regular price
$1,500.00
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$1,500.00
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$3,000.00
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The Model 12SA is a high sensitivity gamma microR meter with alarm employing an internally housed 2.5 x 2.5 cm (1 x 1 in.) NaI detector. The aluminum cast instrument housing, with a separate battery compartment and accompanying metal handle, offer an industrial robustness and quality that promote long-lasting protection and instrument life. The front-panel controls include a rotary switch for selecting the four-decade range, instrument shut-off, and battery test, an audio on/off switch, a fast/slow response switch, and a count reset pushbutton. The front panel additionally includes an alarm lamp, which is accompanied by an audible output anytime the alarm setpoint is exceeded. The Model 12SA is a complete turn-key system and includes two "D" cell batteries.
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| Indicated Use | Low-level (μR) gamma survey | |
|---|---|---|
| Detector | NaI(Tl) scintillator, 2.5 x 2.5 cm (1 x 1 in.) | |
| Typical Sensitivity (137Cs) | 175 cpm per µR/hr | |
| Energy Response | Energy dependent | |
| Alarm | Indicated by red lamp and audible tone | |
| High Voltage | Adjustable from 200 to 1500 Vdc | |
| Threshold | Adjustable from -6 to -32 mV | |
| Linearity | ±10% of true reading | |
| Meter Dial | 0 - 3 µR/hr, BAT TEST (Meter Face tab lists other available meter faces) |
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| Power | Two each "D" cell batteries (housed in externally accessible sealed compartment) | |
| Battery Life | Exceeds 600 hours, may be checked on meter face | |
| Construction | Cast and drawn aluminum with beige powder coat | |
| Size (H x W x L) | 22.2 x 21.6 x 8.6 cm (8.8 x 8.5 x 3.4 in.) with handle | |
