
Ludlum 9-4RF
Handheld survey meter
- Detector
- Air ionization chamber
- Weight with batteries
- 1.9 kg

Bild: Ludlum
Handheld survey meter
Ludlum 3006 – handheld survey meter from Ludlum Measurements. Detector (D × L): Plastic scintillator, 15.2 × 2.5 cm. Enclosure rating and conditions: IP53.
Download product sheet (PDF)All values with references – for tender documents
Specifications checked against the manufacturer’s documents on 2026-10-16
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 (D × L) | Plastic scintillator, 15.2 × 2.5 cm1 |
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| Linearity | ±10 %1 |
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| Detector measurement range | 0.01 to 25.0 µSv/h1 |
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| Sensitivity (¹³⁷Cs gamma) | Typically 150 kcpm per µSv/h (1500 cpm per µR/hr)1 |
| Response time | User-selectable from 1 to 60 seconds, or Auto-response rate FAST or SLOW1 |
| Energy response | Energy dependent1 |
| Detector bias | 400 to 1500 Vdc1 |
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| Power supply | 4 alkaline "AA" batteries1 |
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| Battery life and conditions | Approximately 750 hours of operation (as low as 100 hours with backlight configured for continuous-on)1 |
The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.
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.

Handheld survey meter

Handheld survey meter

Handheld survey meter

Handheld survey meter
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