RDS-30™ Radiation Survey Meter


RDS-30™ Radiation Survey Meter


The RDS-30 unit is a Digital Handheld Dose Rate Meter designed for a wide range of applications involving a possibility for abnormal radiation levels. Compact, lightweight, waterproof, its performance and its friendly user interface make the RDS-30 meter perfectly suited to radiation survey in field conditions, in nuclear industry and for protection against radiological hazards by personnel, who may be exposed to gamma and/or X-ray radiation in their work.

RDS-30 meter is microprocessor controlled. The user interface consists of one push button and an easy-to-use menu structure that displays information on the LCD of the meter. The six digit display shows the dose rate and various messages. Different alarm situations are indicated by a combination of audio-visual effects on the LCD and a buzzer (dose rate, dose, low battery, defect, dose rate overflow).

RDS-30 meter provides user configurable (with RDS-CSW) list of alarm levels for dose and dose rate. Fixed or multi-level alarm options. It is possible to store dose rate values in the histogram memory for later analysis of the readings.

The use of RDS-CSW software is required for downloading the data to a PC via IrDA port.


  • Measurement and display in µSv/h or mrem/h
  • Dose measurement indication
  • High battery life time (>1 year)
  • Compliant to IEC 60846
  • Dose rate follow-up by audible signal with frequency proportional to dose rate
  • Visual and audible alarm: user settable for dose and dose rate over the whole measurement range
  • Histogram capability of up to 480 dose rate values with user settable logging interval
  • Backlit display with six large digits
  • Display in either µSv/h or in mrem/h
  • Built-in self-diagnostics complies with ANSI N42.33 and IEC 60846 standards


  • Dimensions: 3.07" x 4.96" x 1.15" (7.8 x 12.6 x 3.2 cm)
  • Weight:
    -.374 lb (.17 kg) without batteries
    -.485 lb (.22 kg) with batteries
  • Case: Rugged plastic, easily decontaminable
  • Power Supply: 2 alkaline batteries IEC LR6/AA size (recommended)
  • Battery Life Time: At least 2000 hours at normal background with alkaline cells (more than 1 year under normal operation)
  • Battery Alarm: Two-step alarm for low battery voltage


  • Radiation Detected: Gamma and X-ray from 48 keV to 3 MeV
  • Detector: Energy compensated GM tube compliant to H*(10)
  • Dose Rate Measurement Range: From 0.01 µSv/h to 100 mSv/h or from 1 µrem/h to 10 rem/h
  • Dose Rate Linearity: ±10% ±1 digit within the range of 0.1 µSv/h to 100 mSv/h or 10 µrem/h to 10 rem/h
  • Calibration Accuracy: ±5% of the reading in Cs-137 exposure, at 3 mSv/h, +20° C (68° F)
  • Energy Response: ± 30% over the range of 48 keV - 3 MeV
  • Angular Response: ± 25% within ± 45% from the calibration direction at 48 keV
  • Dose Measurement Range: From 0.01 µSv to 1 Sv or from 1 µrem to 100 rem
  • Dose Rate: Follow-up by audible signal with frequency proportional to dose rate
  • Dose Measurement: (µSv / mrem)
  • Built-in Infrared port (IrDA)


078-430 Meter, Radiation Survey, RDS-30S
  • Range: dose rate 0.01 µSv/h - 100 mSv/h
  • Dose: 0.01 µSv - 1 Sv
  • Energy Range: from 48 keV to 3 MeV
078-431 Meter, Radiation Survey, RDS-30R
  • Range: dose rate 1 µrem/h - 10 rem/h
  • Dose: 1 µrem - 100 rem
  • Energy Range: from 48 keV to 3 MeV


078-482 Software, RDS-CSW Configuration, RDS-CSW
For RDS-30, RDS-80 and PC with WindowsIncludes: IrDA Adapter
078-481 Adapter, USB IrDA
For RDS-30 and RDS-80

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