Small three range Ratemeter with separable 2” diameter pancake probe. Reads out in counts per minute ( and mR/hr). Thin probe window is recessed and protected by sturdy stainless steel grill. Instrument will see alpha, beta and gamma radiation. Anti-saturation circuit will not fall below full scale in high fields. Tested to 100 R/hr. Sonalert with volume control gives audible rate indication.
|5250-0129||Wide Range Frisker|