Ludlum Model 2350-1

Scaler/ratemeter with data logging

Readout and logging instrument for external detectors, with a single-channel analyzer and stored detector setups.

Weight including batteries: 2.4 kg1

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

Specifications checked against the manufacturer’s documents on 2026-10-16

Manufacturer’s product page (opens in a new tab)

Overview

Nuclear power & nuclear technology Research & laboratories Environmental monitoring & radiation protection

Key features

SCA for selecting an energy region.
Stores readings with location, time and detector information.
External detector selected separately.

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

Stored detector setups	161
SCA window	0–1000 mV above threshold1

Electronics & signal

Detector high voltage	400–2500 V DC2

Cooling

Logging capacity	Up to 1000 data points1

Connectivity & interface

Display	LCD, 8 lines × 15 characters1
Communication	RS-2321

Power & battery

Battery life	>75 h1
Power supply	4 D-cell batteries1

Environment & ratings

Operating temperature	0–+50 °C1

Ordering & accessories

Part number	48-27511
Weight including batteries	2.4 kg1

General

Scaler counting time	1–65,535 s in 1 s steps1

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

Documents

PDFModel 2350-1 General Purpose Ratemeter/Scaler/Data LoggerDatasheet · Ludlum

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
Model 2350-1 General Purpose Ratemeter/Scaler/Data Logger
Publisher: Ludlum MeasurementsDatasheet p. 1, Specifications; p. 1, Specifications (SUGGESTED DETECTORS); p. 1, Specifications (DATA LOGGER); p. 1, Specifications (TIMER) … Checked 2026-10-16
2
Model 2350-1 General Purpose Data Logger
Publisher: Ludlum MeasurementsProduct page Specifications tab (High Voltage) Checked 2026-10-16