FSUE “SPA “Analitpribor” is one of the leaders of gas-analysis instrument engineering in the Russian Federation. Production of gas-analysis equipment is from 1960.

ГТМ-5101ВЗ-А – fixed gas analyzer for oxygen (atomic version)


Designed for measurement of oxygen volume fraction in process gas mixtures (nitrogen or air).

Application: process and working area air monitoring at nuclear power stations.

Principle of operation - thermomagnetic.
Sampling - forced.
Operation mode - continuous. 
Version – atomic.

License for production of gas analysis equipment and auxiliary equipment for nuclear power stations ЦО-12-101-2358 of 07.07.2004.
License for design of gas analysis equipment and auxiliary equipment for nuclear power stations ЦО-12-101-2359 of 07.07.2004.
Gas analyzers belong to elements of normal operation controlling systems of (NOCS), class 3Н according to ПН АЭ Г-01-011-97.
All gas analyzers ГТМ-5101ВЗ-А and auxiliary equipment for them pass acceptance of the Federal Service for Ecological, Technological and Nuclear Supervision (Rostekhnadzor).


Basic technical characteristics




О2 measuring range, vol.%:
oxygen in nitrogen
oxygen in air

0-1; 0-2; 0-3; 0-5; 0-10; 0-50

intrinsic fiducial error %, depending on modification
±4  or  ±2,5

4 alarm thresholds within measuring range, %

5 ÷  90


set as agreed with the customer (default settings are 20, 40, 60, 80%
of measuring range)

Output parameters:
unified output signal, mA
“dry” relay contacts (normally open)

0-5 or 4-20
one group on each channel

according to the order
6-34 V; 1А;
12-220 V; 0,1-0,5 А

Parameters of measured medium:
temperature °С
humidity, g/m3,at most
dust content, g/m3,at most
volume flow rate, l/min

+5 ÷ +50
0,7 ±0,2


Protection degree according to ГОСТ 14254:
measuring transducer (MT)
remote primary measuring transducer (PMT)         

IP 54
IP 65


Ambient temperature, °С

+5 ÷  +50  


Supply voltage, V

~ 220 


Consumed power, VA, at most



Overall dimensions, mm:
measuring transducer
remote primary measuring transducer


weight, kg, at most:

Gas analyzer is the device of modular configuration that consists of measuring transducer and remote primary measuring transducer (detector), maximum length of cable connecting detector and meter is 300 m, maximum cable conductor resistance shall be 10 Ohm at most.

Gas analyzer has explosion-proof version “flameproof enclosure” with explosion protection marking “1ExdIICT6”. Measuring transducer has general purpose industrial version to be mounted in non-explosive rooms.

Technical characteristics




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    ГТМ-5101ВЗ-А – fixed gas analyzer for oxygen (atomic version)


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    Индекс цитирования
    Лампы бактерицидные, ПитерСвет: промышленное оборудование.