Standard 'Ex' Certified Sensors
Features
Single-gas types for Hydrocarbon gases, Carbon Dioxide or Nitrous Oxide.
Sensors may be calibrated to customer specification.
Operating voltage 3 to 5 volts dc, nominal current = 60mA.
Provides 'raw' signal output for processing external to the sensor.
OEM board available containing the necessary processing electronics and LCD display
Fast response.
Internal temperature signal output.
Temperature compensated detector elements.
Wide operating temperature range of -20 to +50 deg. C.
Industry standard size - 20mm diameter x 16.6mm high (excluding pins).
Optional replaceable, self-adhesive micro porous 1 micron filter.
OEM Circuit Board and Development Kit available - see below.
Note - Infrared sensors cannot be used to detect Hydrogen gas.
Standard series infrared gas sensors provide a 'raw' signal output which needs to be be fed into external processing electronics and software. This may either be provided by the equipment manufacturer or by use of a purpose-designed OEM board available from Dynament Ltd.
They are contained in an Ex d stainless steel housing and are hazardous area certified to IECEx, ATEX and UL standards. The IECEx and ATEX certification also includes Group I (mining) certification. Certification Details.
The sensors can be used to measure Hydrocarbon gases, Carbon Dioxide or Nitrous Oxide, depending upon the sensor type, within a wide range of commercial and industrial applications.
The standard measurement ranges are as follows:-
Hydrocarbon - LEL & 0-100% Volume.
Carbon Dioxide - 0-500ppm up to 0-5% Volume & 0-100% Volume.
Nitrous Oxide - 0-1000ppm up to 0-1% Volume.
Although the 0-100% Volume Hydrocarbon type will also measure LEL values it will not provide the necessary resolution for explosion protection applications. The standard calibration gas for Hydrocarbon is Methane (CH4) unless otherwise requested.
If you require advice or have a requirement for a particular measurement range not shown below then please contact us and we will be please to assist you with your application.
Hydrocarbon Types
The Hydrocarbon sensor order codes commence with MSH-HC (for 0-100% LEL Hydrocarbons) or MSH-HHC (for 0-100% Volume Hydrocarbons) followed other options such as a filter (see below) and/or an electrically isolated case (suffix I).
There are two filter options available for this sensor:-
F - Self adhesive 14 micron PTFE filter for water ingress protection.
P - Removeable 45 micron plastic dust filter insert - P.
The table below gives details of the order codes of sensors for measurement of 0-100% LEL (Lower Explosive Limit) of the target gas.
|
ORDER CODE |
DESCRIPTION |
|
MSH-HC |
Standard 0-100% LEL Hydrocarbon Sensor, Certified |
|
MSH-HC/I |
Standard 0-100% LEL Hydrocarbon Sensor, Certified With an Electrically Isolated Case |
|
MSH-HC/F |
Standard 0-100% LEL Hydrocarbon Sensor, Certified With a 14 Micron PTFE Filter |
|
MSH-HC/I/F |
Standard 0-100% LEL Hydrocarbon Sensor, Certified With an Electrically Isolated Case and 14 Micron PTFE Filter |
|
MSH-HC/P |
Standard 0-100% LEL Hydrocarbon Sensor, Certified With a 45 Micron Plastic Dust Filter |
|
MSH-HC/I/P |
Standard 0-100% LEL Hydrocarbon Sensor, Certified With an Electrically Isolated Case and 45 Micron Plastic Dust Filter |
The table below gives details of the order codes of sensors for measurement of 0-100% Volume concentration of the target gas.
|
ORDER CODE |
DESCRIPTION |
|
MSH-HHC |
Standard 0-100% Volume Hydrocarbon Sensor, Certified |
|
MSH-HHC/I |
Standard 0-100% Volume Hydrocarbon Sensor, Certified With an Electrically Isolated Case |
|
MSH-HHC/F |
Standard 0-100% Volume Hydrocarbon Sensor, Certified With a 14 Micron PTFE Filter |
|
MSH-HHC/I/F |
Standard 0-100% Volume Hydrocarbon Sensor, Certified With an Electrically Isolated Case and 14 Micron PTFE Filter |
|
MSH-HHC/P |
Standard 0-100% Volume Hydrocarbon Sensor, Certified With a 45 Micron Plastic Dust Filter |
|
MSH-HHC/I/P |
Standard 0-100% Volume Hydrocarbon Sensor, Certified With an Electrically Isolated Case and a 45 Micron Plastic Dust Filter |
Carbon Dioxide Types
The sensors are within the Carbon Dioxide series which commence with the MSH-CO2 (for sensors up to 5% volume) or MSH-HCO2 (for sensors up to 100% volume) followed by other options such as a filter (see below) and/or an electrically isolated case (suffix I).
There are two filter options available for this sensor:-
F - Self adhesive 14 micron PTFE filter for water ingress protection.
P - Removeable 45 micron plastic dust filter insert - P.
The table below gives details of the order codes of sensors for measurement of the range 0-5% Volume.
|
ORDER CODE |
DESCRIPTION |
|
MSH-CO2 |
Standard 0 - 5% Vol. Carbon Dioxide Sensor, Certified |
|
MSH-CO2/I |
Standard 0 - 5% Vol. Carbon Dioxide Sensor, Certified With an Electrically Isolated Case |
|
MSH-CO2/F |
Standard 0 - 5% Vol. Carbon Dioxide Sensor, Certified With a 14 Micron PTFE Filter |
|
MSH-CO2/I/F |
Standard 0 - 5% Vol. Carbon Dioxide Sensor, Certified With an Electrically Isolated Case and 14 Micron PTFE Filter |
|
MSH-CO2/P |
Standard 0 - 5% Vol. Carbon Dioxide Sensor, Certified With a 45 Micron Plastic Dust Filter |
|
MSH-CO2/I/P |
Standard 0 - 5% Vol. Carbon Dioxide Sensor, Certified With an Electrically Isolated Case and a 45 Micron Plastic Dust Filter |
The table below gives details of the order codes of sensors for measurement of the range 0-100% Volume.
|
ORDER CODE |
DESCRIPTION |
|
MSH-HCO2 |
Standard 0 - 100% Vol. Carbon Dioxide Sensor, Certified |
|
MSH-HCO2/I |
Standard 0 - 100% Vol. Carbon Dioxide Sensor, Certified With an Electrically Isolated Case |
|
MSH-HCO2/F |
Standard 0 - 100% Vol. Carbon Dioxide Sensor, Certified With a 14 Micron PTFE Filter |
|
MSH-HCO2/I/F |
Standard 0 - 100% Vol. Carbon Dioxide Sensor, Certified With an Electrically Isolated Case and 14 Micron PTFE Filter |
|
MSH-HCO2/P |
Standard 0 - 100% Vol. Carbon Dioxide Sensor, Certified With a 45 Micron Plastic Dust Filter |
|
MSH-HCO2/I/P |
Standard 0 - 100% Vol. Carbon Dioxide Sensor, Certified With an Electrically Isolated Case and a 45 Micron Plastic Dust Filter |
Nitrous Oxide Types
The sensor order codes commence with the code MSH-N2O followed other options such as a filter (see below) and/or an electrically isolated case (suffix I).
There are two filter options available for this sensor:-
F - Self adhesive 14 micron PTFE filter for water ingress protection.
P - Removeable 45 micron plastic dust filter insert - P.
The table below gives the order codes and description of typical sensor types that are available over the range 0-1% volume.
|
ORDER CODE |
DESCRIPTION |
|
MSH-N2O + measurement range |
Standard Nitrous Oxide Sensor, Certified |
|
MSH-N2O/I + measurement range |
Standard Nitrous Oxide Sensor, Certified With an Electrically Isolated Case |
|
MSH-N2O/F + measurement range |
Standard Nitrous Oxide Sensor, Certified With a 14 Micron PTFE Filter |
|
MSH-N2O/I/F + measurement range |
Standard Nitrous Oxide Sensor, Certified With an Electrically Isolated Case and 14 Micron PTFE Filter |
|
MSH-N2O/P + measurement range |
Standard Nitrous Oxide Sensor Certified With a 45 Micron Plastic Dust Filter |
|
MSH-N2O/I/P + measurement range |
Standard Nitrous Oxide Sensor Certified With an Electrically Isolated Case and 45 Micron Plastic Dust Filter |