Mini-Instruments Series 900 mini-monitor Radiation Geiga Counter

With G-M Type E Probe

Mini 900 Scintillation Monitor

Mini 900 monitor serves as a portable or benchtop style radiation counter.

900 Series Type DA Radiation Monitor (GM tube)

Feature a large logarithmically scaled meter with an open scale at the lower end to show background levels of radiation while displaying high levels without switching

   
    Built-in speaker provides audible feedback of the radiation intensity
    An alarm can be set to tripat any level on the scale
    Battery powered

Batteries: 6 type AA cells,
Battery life: Approximately 300 hours at 4 hours/day.
Paralysis time: Scale corrected to give true reading.
Meter integration time: 1 to 4 seconds set to match counting rate.
Radiation detector: Halogen quenched G-M tube. Radiation detected: Gamma and X-rays only.
G-M tube supply: 300-700 Volts preset for tube type.
Overload protection: No meter ‘fallback’ with intensities at least 100 times full scale reading