General view

AD 3

IEMI

Year
Unknown
Category
Test & Measurement
Type
Radiation meters
Documentation score
1/5
Last edited
03 OCT 2026

Specifications

Measuring ranges
0.1–500 R/h in 4 ranges
Power supply
26 V (1 A) or 13 V (1.2 A)
Dimensions
117 × 118 × 305 mm
Weight
6 kg
Environment
−40…+50 °C

Sources: [1]

Description

The AD 3 is an on-board roentgenometer for measuring gamma radiation over contaminated ground, in the direction of travel of a vehicle, made by IEMI in Bucharest [1]. It comprised the instrument, a detection probe with an ionisation chamber whose current was amplified by a pentode in electrometer mode, a cable and a shock-absorbing mount [1].

Schematics

No schematics available yet.

Documents

No documents available yet.

References

  1. [1]N. Millea (coord.) et al. – „Electronica românească. O istorie trăită”, vol. II „Electronica profesională”, AGIR, annex V.2.2 „Produse speciale fabricate la IEMI”, pp. 710–722