3
HEAD OFFICE
LED Microsensor NT, LLC
●
R&D CENTRE
Microsensor Technology, LLC
194223, postbox 100, St.Petersburg, Russia
● [email protected] ● www.lmsnt.com
GENERAL INFORMATION
Application & Description
MDS-4 is a
methane sensor module for
CH
4
detection
. It
includes a compact optical
cell and electronics for LED
power supply and PD signal amplification all
-in-one.
Features
Diffusion type detection
Measurement in 0
-5%
(volume)
concentration range
Resolution down to
250
ppm in 0
-5%
(volume)
concentration range
Very low power consumption
–
3.5 mW
Quick
response time
– <2 s
Operating t
emperature
range – 0..+40°C
Size: 55x26x14 mm (including optical cell and circuitry)
Gases: pre
calibrated for
methane, but will respond to most hydrocarbons
Possibility
of
integration with wireless data transfer protocols like Zigbee, WiFi,
GPRS
Possibility
of
power battery supply
Appearance & Layout
1.
Optical cell with an LED
Lms34LED
-
CG and a photodiode Lms36PD
-05-CG
2.
Power input
3.
Temperature and m
easuring signal output
Temperature compensation
In t
he module
there is realis
ed a circuit for measurement of LED’s
operation
voltage for temperature determination of the optical cell
. It
enables temperature
compensation
of measuring signal
in 0...+40°C range.
Operation conditions
Indoor operation only.
Ingress Protection Rating IP00.
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