OPTOSENSE LLC
Design Department
USER
MANUAL
SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-
Х-X-X.1 X
File name: ESAT.413347.006 UM v.2.0.docx
Revision 2.0 27 August 2015
Page. 18 of 38
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ANY REPRODUCTION
WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.
Table 4. Response time of the sensors.
Construction
Target gas
Max. response
time t(90), sec
stainless steel, “Standard” and
plastic
CH4
30
CH4/СН4+С2H6
C3H8
CO2
60
stainless steel, with side holes,
“Fast response”
CH4
10
CH4/СН4+С2H6
C3H8
CO2
20
Table 5. General sensor accuracy* depends on calibration gas
Calibration
gas
Accuracy over temperature
range
Additional pressure
error
Additional humidity
error
CH4
±0,1%Vol. or ±5% of
indication in range
+20…+25°C;
±0,2% Vol. or ±10% of
indication in range
–10…+20°C and
+25…+40°C;
±0,4% Vol. or ±20% of
indication in range
-
40…-10°C and +40…+60°C.
±0,2% Vol. or ±30% of
indication from
100kPa (test: 80kPa,
100kPa, 120kPa)
±0,2 % Vol. or ±15 %
of indication from the
indication at
adjustment at 40 °C
(test: 20 %RH, 50
%RH,90 %RH)
CO2, C3H8
±0,05% Vol. or ±5% of
indication in range
+20…+25°C;
±0,1% Vol. or ±10% of
indication in range
–10…+20°C and
+25…+40°C;
±0,2% Vol. or ±20% of
indication in range
-40
…-10°C and +40…+60°C.
±0,1% Vol. or ±30% of
indication from
100kPa (test: 80kPa,
100kPa, 120kPa)
±0,1 % Vol. or ±15 %
of indication from the
indication at
adjustment at 40 °C
(test: 20 %RH, 50
%RH,90 %RH)
*Table shows the general accuracy, but individual sensor accuracy depends on RX characteristic
and limited by the
temperature range
(see Table 3).
