Automess Model 6150AD5 and 6150AD6

Automess - North America

6150 AD5 Ratemeter1. Dose Rate Meter 6150AD Techincal Background

The 6150AD series features a portable, battery operated dose rate meter to measure photon radiation (gamma and X-radiation). A built-in Geiger Mueller counting tube serves as the detector. As implied by the letters »AD« in its name, the 6150AD displays the current dose rate in both analog and digital form. It measures dose rate mean value, dose rate maximum value, and accumulated dose. The 6150 AD series includes a built-in GM counter and additionally provides a probe socket to connect external probes. If a probe is connected, the internal counting tube is automatically turned off; the detector of the probe is now measuring. The type of the probe is automatically recognized. Display range and units are chosen automatically according to the type of the probe. Furthermore, there is no fixed assignment between probe and instrument. The user may connect any probe with any 6150AD, where probe indication will not depend on the 6150AD in use. One pin of the probe socket serves as serial interface and can be used to transmit and evaluate the display (dose rate) of the instrument on a PC. Cables to connect external probes may be up to 100 m long (depending on probe type). Standard lengths available from stock are 1.25 m, 3 m, 10 m, 20 m, 75 m, and 100 m.  The 6150ADn series is powered by a 9V-battery (IEC 6LR61).

1.1 Model summary

The basic 6150AD models are 6150AD1 to 6150AD6, henceforth generally designated as “6150ADn” (where n stands for 1 to 6). Models 6150AD1/3/5 have the same range of up to 1 Sv/h. They only differ in number and extent of functions, that is in software (EPROM). The 6150AD3 was the more intelligent successor of the 6150AD1. The 6150AD5 is again the successor of the 6150AD3 with additional support for the scintillator probe 6150AD-b. Likewise, models 6150AD2/4/6 have a range of up to 10 mSv/h, where the 6150AD4 was the more intelligent successor of the 6150AD2, and the 6150AD6 again corresponds to a 6150AD4 with additional support for the scintillator probe. In that sense models 6150AD1 to 6150AD4 are outdated (but are still available, particularly the models 6150AD1 and 6150AD2 for those users who prefer easier operation of a simple model). The following Table 1 summarizes all models 6150AD1 to 6150AD6 with their essential features.

Table 1
6150AD model summary

 

range up to

additional
functions

supports
probe 6150AD-b

6150AD1

1 Sv/h

no

no

6150AD3

yes

6150AD5

yes

6150AD2

10 mSv/h

no

no

6150AD4

yes

6150AD6

yes

The additional functions comprise: protection against unintentionally switching off, non-volatile storage of the dose measured with the internal tube, dose alarm, programmable alarm thresholds for dose and dose rate, better resolution (more places after the decimal point) when indicating dose, alarm threshold, etc.

Dose Ratemeter 6150AD5

6150 AD6 ratemeter by AutomessRanges:

High range models:
Analog: 1 µSv/h - 1000 mSv/h
Digital: 0.1 µSv/h - 999 mSv/h
»useful«: 0.2 mSv/h - 999 mSv/h
45 keV - 3 (/H:2.6) MeV

Dose Ratemeter 6150AD6

Ranges:

Low range models:
Analog: 0.1 µSv/h - 10 mSv/h
Digital: 0.01 µSv/h - 9.99 mSv/h
»useful«: 2 µSv/h - 9.99 mSv/h
60 keV - 1.3 MeV

energy response curve, 6150 AD5 and AD6

 

 

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