Model 26-2 Frisker User's Manual Section 5

Study Notes

Designed for indoor or outdoor use; avoid exposure to water via detector opening.
No maximum altitude restrictions.
Operates within a temperature range of -40 to 65 °C (-40 to 150 °F).
Maximum relative humidity should be less than 95% (non-condensing).
Rated Pollution Degree 3, indicating typical conditions at industrial or construction sites.
Not certified for explosive atmosphere use.

CAUTION symbol indicates hazardous live voltage and electric shock risk; requires isolation before accessing internal components.
“Crossed-out wheelie bin” symbol signifies that the product should not be mixed with unsorted municipal waste during disposal.

MODE button toggles between RATE, MAX, and TIMED FRISK modes; pressing stops a timed frisk.
Audio output exceeds 60 dB at 0.6 m (2 ft) distance.
Powered by two AA batteries, providing approximately 250 hours of operation.
Low battery warning activates after 16 hours of reduced remaining life.
Constructed from high-impact plastic with water-resistant seals; includes a separate battery compartment.
Rated IP53 for ingress protection; suitable under certain environmental conditions.
Dimensions: 4.6 x 6.9 x 27.2 cm (1.8 x 2.7 x 10.7 in.) with weight of 0.45 kg (1.0 lb).

Setup adjustments are recommended for advanced users or administrators only; incorrect settings can jeopardize safety.
Each unit undergoes electronic checkout, a 30-hour burn-in, and calibration before shipment.
Calibration papers provided; should be recalibrated after maintenance or adjustments.

Uses a 15 cm² (0.9 in²) Geiger-Mueller "pancake" detector capable of detecting alpha, beta, and gamma radiation.
Caution required due to the thin window of the radiation detector.
Setup available through front-panel buttons; parameters such as response time, alarm levels, and frisk time can be adjusted.

Operates in temperatures from -40 to 65 °C (-40 to 150 °F) using two AA batteries.
Anticipated battery life is approximately 1000 hours; low-battery indicator alerts users with fewer than 16 hours remaining.

Retain the calibration certificate in a secure location upon unpacking.
Verify that all items on the packing list are included and match serial numbers.
Proper packing necessary for return shipments to avoid damage during repair or calibration.