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Model 30

Digital Survey Meter

Part Number: 48-4108

Features

Attaches to Detector Allowing One-Handed Operation
Large Backlit Auto-Ranging LCD with Adjustable Viewing Angle
Simple Green, Yellow, and Red Status Indicators
3-Button Intuitive Interface for Easy Operation
USB Port and All-Digital Calibration
Available Options Include Stretch Scope Configuration

The Ludlum Model 30 is a versatile and lightweight display unit intended for use with with an external detector for alpha, beta, or gamma radiation survey. Three modes of operation – RATE, MAX, and COUNT – are available for the user. Measurements can be collected in two sets of units (primary and secondary) for RATE and MAX modes in cps, Bq, dpm, R/hr, rem, or Sv/h units.

The user can switch between two sets of chosen units by simply pressing the Units button. An internal switch is used to enable or disable the front-panel setup feature to protect desired settings from inadvertent modification. Setup is also available via software available from Ludlum Measurements.

This instrument features a large, easy-to-read LCD (liquid crystal display) that may be rotated for maximum ease of use for the operator. Other features are an audio warning tone and easy, intuitive, user-friendly design. Splash-resistant construction allows the Model 30 to be used in outdoor environments. The instrument body is constructed of lightweight, durable, high-impact plastic.

The Model 30 is shipped ready for use with batteries, a 53 cm (21 in.) detector cable, and calibration certificate.

Specifications

Compatible Detectors	GM, Proportional, Scintillation (default "C" connector, others connectors available)
LCD Display	3 digit LCD with large 13.4 mm (0.53 in.) digits, low-battery indicator, MAX, ALARM, MUTE Units: (k)cps, (k)cpm, (k)Bq, (k)dpm, (µ)(m)R(/h), (µ)(m)Sv(/h), (µ)(m)rem(/h)
Display Range	0.0 cps to 99.9 kcps 0.00 cpm to 999 kcpm 0.00 Bq to 99.9 kBq 0.00 dpm to 999 kdpm 0.00 µR/h to 999 R/h 0.00 µrem/hr to 999 rem/hr 0.00 µSv/h to 999 Sv/h Can be set to limit display to calibrated range
Backlight	Built-in ambient light sensor automatically activates low-power LED backlight, unless internal dipswitch is set to continuous-on (will reduce battery life). Alarm light intensity varies based on ambient light levels.
Controls	ON/OFF/ACK: Long press to turn ON; Tap to acknowledge alarms and silence alarm tone; Press to reset Sigma Audio alarm, turn “click” audio On/Off, turn Sigma Audio beep On/Off; Press and hold for OFF UNITS: Long press changes the units between count rate (cpm, cps), dose/exposure (Sv/h, mR/hr, rem/hr), or disintegration (dpm, Bq) MODE: Long press alternates between NORMAL (count rate), MAX (captures peak rate), and COUNT (user-selectable preset count time from 0 to 10 min). Number of modes can be reduced in setup.
Response Time	User-selectable from 1 to 60 s, Auto-Response Rate FAST or SLOW, or Fixed FAST and SLOW
Alarms	Count rate, exposure/dose, and scaler alarm setpoints adjustable over the display range
Overload Protection	High count rate saturation protection prevents false display of lower count rates
Loss of Count Protection	After a user-settable time interval (default 60 seconds) of no pulses from the detector, the instrument will flash zero reading and the alarm audio will be triggered
Dead Time Correction	Employs first and second order corrections for extended performance
High Voltage	400 to 1500 V
Threshold	2 to 120 mV
Audio	Greater than 75 dB at 0.6 (2 ft), approximately 4 kHz
Click Audio Divide	x1, x10, x100, x1k
Power	Two alkaline or two rechargeable “AAA” batteries
Battery Life	100 hours, 24 hr low battery warning
Construction	High-impact plastic with water-resistant rubber seals and separate battery compartment
Temperature Range	-20 to 50 °C (-5 to 122 °F) May be certified for operation from -40 to 65 °C (-40 to 150 °F)
Environmental Rating	NEMA rating of 3x or IP rating of 52 with audio hole seal option (see options tab; audio hole seal will reduce maximum volume by approximately 10 dB)
Size (H x W x L)	8.5 x 8.0 x 4.8 cm (3.4 x 3.1 x 1.9 in.)
Weight	174 g (0.38 lb)

Options

Option	Description	Part Number
Lumic Calibration Kit	Lumic Calibration Software allows the reading and writing of important parameters via a USB port in the Model 3000 Series and Model 30 family of instruments. This software also includes a calibration wizard (guides the user through calibration steps) and a plateau wizard (determines the optimal detector operating voltage). The kit includes Lumic Calibration Software versions 1.0 and 2.0, a Model 3000 Series USB cable, and a Model 30 family USB cable.	4519-865
Lumic Configuration Kit	Lumic Configuration Software allows the reading and writing of important parameters via a USB port in the Model 3000 Series and Model 30 family of instruments. Does not include calibration or plateau wizards. The kit includes the Lumic Configuration Software, a Model 3000 Series USB cable, and a Model 30 family USB cable.	4519-747
Headphone Jack	Adds headphone jack to instrument.	4498-697
Audio Hole Seal	Makes instrument splash resistant (reduces audio volume output).	4498-913
Clamp Set for Model 44-2	Clamp set to mount the Model 30 on a Model 44-2 detector.	4498-820
Clamp Set for Model 44-10	Clamp set to mount the Model 30 on a Model 44-10 detector.	4498-769
Clamp Set for Model 43-92	Clamp set to mount the Model 30 on a Model 43-92 detector.	4498-819
Clamp Set for Model 42-41L	Clamp set to mount the Model 30 on a Model 42-41L detector.	4498-957
Model 30 Telescoping Pole Assembly (4 - 8 ft.)	Telescoping fiberglass pole, 1.2 - 2.4 m (4 - 8 ft.), with clamp set to mount Model 30 and 1.8 m (6 ft.) detector cable.	4498-865
Model 30 Telescoping Pole Assembly (6 - 12 ft.)	Telescoping fiberglass pole, 1.8 - 3.7 m (6 - 12 ft.), with clamp set to mount Model 30 and 3 m (10 ft.) detector cable.	4498-865-01