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PA-100 Detector

Bild: Rotem

Rotem Industries

PA-100 Detector

Air proportional alpha detector with a 100 cm² sensitive area

Alpha detector with an efficient air proportional sensor and electronic circuits. It is powered by a MediSmarts monitoring channel or a RAM DA 2000 monitor and outputs a count rate.

Detector
Air proportional alpha detector1
Weight
1 kg1
Datasheet

Download product sheet (PDF)All values with references – for tender documents

Specifications checked against the manufacturer’s documents on 2026-10-17

Manufacturer’s product page

Overview

Key features

  • Aluminised window, 0.85 mg/cm²

Specifications

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

Detector

DetectorAir proportional alpha detector1
Effective area100 cm² (15.5 sq in)1
Window0.85 mg/cm², aluminised1

Performance

Detection efficiency18% (2π, ²⁴¹Am)1
Accuracy±15% of reading (²⁴¹Am)1

Measuring range

Sensitivity530 cpm per Bq/cm² (surface)1

Mechanical

Dimensions (L × W × H)240 × 75 × 55 mm1
Weight1 kg1

Environment & ratings

Operating temperature−10 to +50 °C1

The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.

Documents

PDFPA-100 Detector data sheetDatasheet · Rotem

Sources

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

  1. 1
    PA-100 Detector data sheet
    Publisher: Rotem IndustriesDatasheet TDS; Specifications – Dimensions; Specifications – Weight Checked 2026-10-16
RAM DA3-2000 Meter
Rotem

RAM DA3-2000 Meter

Smart meter for a range of interchangeable external detectors, with internal GM detector

Detector
Internal detector (DA3-2000): two energy-compensated GM tubes, ZP1201 and ZP1313 (air kerma) or ZP1202 and ZP1314 (H*(10)); DA 2000 without internal detector
Measurement range
0.5 µSv/h – 1 Sv/h (50 µR/h – 100 R/h), internal detector
Weight
1.5 kg including batteries and internal detectors
14 referenced values
RAM R-200 Meter
Rotem

RAM R-200 Meter

Rugged multipurpose survey meter for wide-range gamma and contamination

Detector
Two energy-compensated GM tubes: ZP-1202 and ZP1314 (or equivalent)
Measurement range
Internal detectors: 0.1 µSv/h – 1 Sv/h (10 µR/h – 100 R/h); with external probes gamma up to 100 Sv/h and alpha/beta 0–1 Mcpm
Weight
460 g including battery
15 referenced values
GM-10 Detector
Rotem

GM-10 Detector

Pancake GM probe for alpha, beta and gamma surface contamination

Detector
Pancake GM tube LND 73118 or equivalent; mica window 1.5–2.0 mg/cm² behind a fine stainless-steel wire mesh
Count-rate range
0–42,000 cps
Weight
370 g (0.8 lb)
8 referenced values
SaphyRAD probes
Bertin

SaphyRAD probes

Alpha and beta probes for the SaphyRAD contamination meter

Active area
32 cm² (A 32), 31 cm² (AB 31), 100 cm² (AB 100, A-B 100), 170 cm² (AB 170, A-B 170, A-BG 170)
Measurement range
α: 0.01–100 Bq/cm²; β and α+β: 0.1–1,000 Bq/cm²; AB 31: 0.1–2,150 Bq/cm²
Energy range
α: 3–8 MeV; β: 100 keV–2.2 MeV
10 referenced values
Contact us

Questions about this product?

We help you choose the right configuration, detector and accessories for your measurement task.

Send inquiryContact
Oscar ÅgerstamFounder & CEO
+46 (0)793-04 51 91 oscar@ndec.se +46 (0)793-12 32 48 (customer service)