Ludlum Measurements
Ludlum
Ludlum Model 334A
Air monitoring with alpha spectra
- Detector type
- Ion-implanted silicon
- Active area
- 450 mm²
- Alpha spectrum
- 256 channels
12 referenced values
Bild: Ludlum
Model 375/1
Digital area monitor
A wall-mounted digital monitor for continuous radiation monitoring in an area.
Download product sheet (PDF)All values with references – for tender documents
Specifications checked against the manufacturer’s documents on 2026-10-16
Overview
Key features
- Digital local display with audible and visual alarms.
- Integrated 18 mm CsI detector with nonlinear energy response.
- Wall-mounted for continuous area monitoring.
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
| Detector type | Internal CsI, 18 mm; nonlinear energy response1 |
|---|
Measuring range
| Exposure-rate range | 0.1–9999 µR/hr; alternatively 0.01–99.99 mR/hr2 |
|---|
Connectivity & interface
| Display | LED, 4 digits; 2 cm characters1 |
|---|---|
| Network connection | Ethernet/web interface optional1 |
Power & battery
| Power supply | 9 V DC mains adapter1 |
|---|---|
| Battery life, typical | 48 h without alarm; 12 h in alarm1 |
Environment & ratings
| Operating temperature | −20 to +50 °C1 |
|---|
General
| Measurement function | Fixed area monitoring1 |
|---|---|
| Alarm | Audible/visual; low/high level, overload and overrange1 |
The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.
Documents
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
- 2
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13 referenced values
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- Detector type
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16 referenced values
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- Detector
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- Energy range
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- Count-rate range
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8 referenced values
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