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.

СТМ-30М – microprocessor gas analyzing system

 
 

Designed for continuous automatic monitoring of pre-explosive concentrations of flammable gases, vapors and their mixtures in the air of working area and alarm generation when the preset threshold values are exceeded. 

Application: in process of oil and gas production and transportation; at gas - and oil-processing plants; at filling stations; petroleum storage depots and fuel and lubricant warehouses; paint and varnish sections; tankers and other vessels of river and sea transport; at floating and fixed drilling platforms.

Principle of operation – thermochemical.
Sampling – diffusion or forced (depending on the version).

Content of gas alarm:
-  alarm and power supply unit БСП;
-  sensor unit БД (on order);
-  remote sensor ВД (on order).

Letter symbol of gas alarm versions at the end of name means:
Д – diffusion sampling;
П – forced sampling;
Ц – availability of digital indication on БСП and БД;
Б – absence of digital alarm;
Т – tropical version;
Н – low-temperature version;
Г – calibration component is hexane;
М – compliance with the requirements of  RMRS;
В – availability of remote sensor connected by cable with БД.

 

Basic technical characteristics

Characteristics

Values

Remarks

Measuring range: % LEL

0 ÷ 50

 

Indication range, % LEL

0 ÷ 70

 

Standard thresholds setting, % LEL

    1-st               2-nd
     7                 11
    10                15

adjustable thresholds:
verification with methane
verification with hexane

Intrinsic absolute error, % LEL, not more:
  - for measuring
  - for alarm


± 7
± 5
± 1



on hexane
on methane

 

Output unified signal, mА
  - digital

4 – 20
RS485

 

Generation of dry relay contacts  when alarm generation:
 - warning
  - emergency
  - failure



one group
one group
one group

 

40 V
0,2А

Length of communication line БСиП with sensor unit, m, not more:

1 000

with R core not more 10 Ω

Supply voltage, V:
  - ac
  - dc


220 or
24


depending on version

Protection degree

IP20
IP54

БСП
БД, ВД

Overall dimensions, mm (length х width х height):
  - alarm and power supply unit БСП
  - sensor unit БД
  - remote sensor ВД


115х55х110
60х210х170
110х60х70

weight, kg, not more:
0,5
0,8
0,8

 

 

Versions of gas alarms

Designation

Name

Calibration component

Availability of digital indication on units

ИБЯЛ.413216.050

СТМ-30М-00ДЦ

methane

БСП and БД

-02

СТМ-30М-02ДЦВ

methane

БСП and БД

-04

СТМ-30М-04ПЦВ

methane

БСП and БД

-07

СТМ-30М-07ДЦВ

methane

БСП and БД

-10

СТМ-30М-10ДБ

methane

no

-11

СТМ-30М-10ДЦ

methane

БСП

-12

СТМ-30М-10ДБГ

hexane

no

-13

СТМ-30М-10ДЦГ

hexane

БСП

-14

СТМ-30М-10ПБ

methane

no

-15

СТМ-30М-10ПЦ

methane

БСП

-16

СТМ-30М-10ПБГ

hexane

no

-17

СТМ-30М-10ПЦГ

hexane

БСП

-18

СТМ-30М-10ТДЦ

methane

БСП

-19

СТМ-30М-10ТДЦГ

hexane

БСП

-20

СТМ-30М-10ТПЦ

methane

БСП

-21

СТМ-30М-10ТПЦГ

hexane

БСП

-22

СТМ-30М-10МДЦ

methane

БСП

-23

СТМ-30М-10МПЦ

methane

БСП

-24

СТМ-30М-10НДЦ

methane

БСП

-25

СТМ-30М-10НДЦГ

hexane

БСП

-50

СТМ-30М-50ДБ

methane

no

-51

СТМ-30М-51ДБВ

methane

no

-53

СТМ-30М-53ПБВ

methane

no

Distinctivefeatures

01. Mounting on DIN-rail of versions ТН35-7,5 and ТН35-15 according to ГОСТ Р 60715-2003;
02. Possibility to monitor pre-explosive concentrations at temperature from -60 to +180 оС;
03. More than 140 measured substances;
04. Possibility to monitor pre-explosive concentrations of catalyst poisons (dichloroethane and vinyl chloride);
05. Possibility of calibration on hexane for heavy fractions monitoring;
06. Possibility of multichannel systems generation (in this case data is transferred through the digital channel RS485, it allows to avoid interference);
07. Explosion protection type d or I (depending on the version).
 

Filters – absorbers of deleterious substances and catalyst poisons, and also programmable logic controller «ОВЕН ПЛК-73» designed for data acquisition from gas alarm, their processing and storage are supplied on special order.

 

Technical characteristics
Certificates

 

 

 

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