MiCs Quick StartMiCs
Evaluation
Board Board
Quick Start Evaluation
SGX Sensortech
Component Distributors Inc. (CDI)
testing – Just add power
Instant testing – Just Instant
add power
Test 5 different MiCs devices
Test 5 different MiCs devices
Complete Circuit on PCB for each Sensor
Complete Circuit on PCB for each Sensor
7 to 20 V Input Supply Voltage
7 to 20 V Input Supply Voltage
Overview
While the MiCs SMD parts Overview
are difficult to test and require a 5 V power supply for correct operation, the Quick Start
Demo board allows the user to be testing the SGX SMD metal oxide gas sensors within minutes after opening the
While the MiCs SMD parts are difficult to test and require a 5 V power supply for correct operation, the
box. The MiCs quick start board can use any input power supply from 7V to 15 V. One of five different sensors can be
Quick Start Demo board allows the user to be testing the SGX SMD metal oxide gas sensors within
placed into the universal onboard IC socket, and by installing the correct jumper the circuit is configured for immeminutes after opening the box. The MiCs quick start board can use any input power supply from 7V to
diate testing of the sensor.
15 V. One of five different sensors can be placed into the universal onboard IC socket, and by installing
the correct jumper the circuit is configured for immediate testing of the sensor.
The MiCs quick Demo board can individually test the following MiCs sensors: MiCs-2614 (Ozone), MiCs-5524 (CO),
MiCs-2714 (NO2), MiCs-4514
senor,
CO board
and NO)
and the MiCs5914
(NH3)MiCs
justsensors:
by installing
the correct
The(Dual
MiCs quick
Demo
can individually
test the
following
MiCs- 2610
(Ozone),jumpMiCsers as shown on the PCB. (45524
Jumpers
are
included
in
each
kit).
(CO), MiCs- 2714 (NO2), MiCs- 4514 (Dual senor, CO and NO) and the MiCs- 5914 (NH3) just by
installing the correct jumpers as shown on the PCB. (4 Jumpers are included in each kit).
Circuit Overview
Circuit Overview
uA7805C
V+
Vout A
The circuit for each sensorVout
is exactly
the circuit shown on the individual datasheet for the parts, and the
B
0.1uF
0.33 uF
GND
Socket for
jumpers will allow for the correct
resistors configuration required.
While the input voltage is 7 to 20V,
The circuit for each sensor is exactly
MiCs Sensors
H
G
F
the board uses a regulator (LM7805T) to reduce the voltage to the MiCs device to 5V. After this, the
the circuit shown on the individual
J
jumpers determine the circuit used to correct
supply the heater and load resistance for each device. The
Jumpers 1datasheet for the parts, and the
D
complete circuit of the Quick Start Demo
board is shown in Figure5 I.J1
820 Ohms
jumpers will allow for the correct resistors configuration required. While
the input voltage is 7 to 20V, the
board uses a regulator (LM7805T)
to reduce the voltage to the MiCs
device to 5V. After this, the jumpers determine the circuit used to
correct supply the heater and load
resistance for each device. The complete circuit of the Quick Start Demo
board is shown in Figure I.
B
A
C
820 Ohms
J5
51K Ohms
82 ohms
100K Ohms
130 ohms
93.1 Ohms
Figure I
Figure I The individual circuits for each of the metal oxide sensors are very simply and straight forward. Please
The individual circuits for each of the metal oxide sensors are very simply and straight forward. Please The
circuits
each
of the
metal
sensors
very
note individual
that the TI regulator
was leftfor
out of
the circuit
diagrams
belowoxide
for simplicity
only, soare
will the
input
note that the TI regulator was left out of the circuit diagrams below for simplicity only, so will the input simply
andcan
straight
forward.
note isthat
supply voltage
be 7V to 25V,
V+ for the Please
individual circuits
5V. the TI regulator was left
supply voltage can be 7V to 25V, V+ for the individual circuits is 5V. out
of the circuit diagrams below for simplicity only, so will the input
MiCs-2614 and the MiCs-5524
MiCs‐2614 and the MiCs‐5524 supply
voltage can be 7V to 25V, V+ for the individual circuits is 5V.
To test the MiCs-2614 (Ozone sensor) or the MiCs-5524 (Carbon Monoxide) only Jumper 1 and 2 should
To test the MiCs‐2614 (Ozone sensor) or the MiCs‐5524 (Carbon Monoxide) only Jumper 1 and 2 should be
installed. With these jumpers in place the circuit is:
be installed. With these jumpers in place the circuit is: V+
V+ F
J1 J2 820 Ohms J1
G
MiCs-2614
MiCs-5524
Page 1
D
MiCs‐2614 C
Vout A
Vout A 100k Ohms
820 Ohms
82 Ohms
82 Ohms 100k Ohms www.cdiweb.com MiCs-5914
email: sales@cdiweb.com
1-800-777-7334
http://sgx.cdistore.com
1-800-777-7334 email: sales@cdiweb.com
MiCs‐5914 To
test the MiCs-5914 (Ammonia sensor) only Jumper 2 and 5 should be installed. With these jumpers in
supply voltage can be 7V to 25V, V+ for the individual circuits is 5V. note that the TI regulator was left out of the circuit diagrams below for simplicity only, so will t
The individual circuits for each of the metal oxide sensors are very simply and straight forward.
The individual circuits for each of the metal oxide sensors are very simply and straight forwar
supply voltage can be 7V to 25V, V+ for the individual circuits is 5V.
note that the TI regulator was left out of the circuit diagrams below for simplicity only, so will t
note that the TI regulator was left out of the circuit diagrams below for simplicity only, so wil
MiCs‐2614 and the MiCs‐5524 supply voltage can be 7V to 25V, V+ for the individual circuits is 5V. supply voltage
can
be 7V to 25V,
V+ for the
individual
circuits is 5V.
MiCs
Quick
Start
Evaluation
Board
MiCs-2614
and the
MiCs-5524
To test the MiCs‐2614 (Ozone sensor) or the MiCs‐5524 (Carbon Monoxide) only Jumper 1 and
Sensortech
and the MiCs-5524
MiCs‐2614 and the MiCs‐5524 ToMiCs-2614
test the MiCs-2614
(Ozone sensor) or the MiCs-5524 SGX
(Carbon Monoxide)
only Jumper 1 and
be installed. With these jumpers in place the circuit is: be installed. With these jumpers Component
in place the circuit is:Distributors
Inc. (CDI)
To test the MiCs-2614
(Ozone820 Ohms sensor) or the MiCs-5524 (Carbon Monoxide) only Jumper 1 an
V+ To test the MiCs‐2614 (Ozone sensor) or the MiCs‐5524 (Carbon Monoxide) only Jumper 1 and
be installed. With these jumpers in place the circuit
J1 is:
be installed. With these jumpers in place the circuit is: V+
J1 J2 Vout A 820 Ohms G
V+ F
Vout A
MiCs‐2614 V+
J1
J1 100k Ohms
G
F
To test the MiCs-2614 (Ozone sensor) or the MiCs-5524
82 Ohms Vout A 100k Ohms D
J2 Vout A 820 Ohms
82 Ohms
C
100k Ohms
(Carbon Monoxide) only Jumper 1 and 2 should be installed.
D
MiCs‐2614 820 Ohms
8282 Ohms Ohms
100k Ohms With these jumpers in place the circuit is:
C
MiCs-2614 and the MiCs-5524
MiCs-2614
MiCs-5524
MiCs-2614
MiCs-5524
MiCs‐5914 MiCs-5914
ToMiCs-5914
test the MiCs-5914 (Ammonia sensor) only Jumper 2 and 5 should be installed. With these ju
To test the MiCs‐5914 (Ammonia sensor) only Jumper 2 and 5 should be installed. With these j
place the circuit is:
MiCs‐5914 To test the MiCs-5914 (Ammonia sensor) only Jumper 2 and 5 should be installed. With these
place the circuit is: MiCs-5914
place the circuit is:
V+
820 Ohms V+ To test the MiCs‐5914 (Ammonia sensor) only Jumper 2 and 5 should be installed. With these ju
To test the MiCs-5914 (Ammonia sensor) only Jumperplace the circuit is: 2 and
5
MiCs‐2714 F V+
G
J2 J2
Vout AVout A MiCs-2714
should be installed. With these jumpers in place the
circuit
is:
820 Ohms D
V+ 820 Ohms
MiCs-5914
F
MiCs‐2714 To test the MiCs‐2714 (Nitrogen Dioxide sensor) only Jumper 3 and 4 should be installed. 100K Ohms
MiCs‐5914G
100K Ohms
J2
Vout A
these jumpers in place the circuit is: 93.1 Ohms To test the
MiCs-2714 (Nitrogen Dioxide sensor)
only
JumperVout A 3 and 4 should be
J2 To test the MiCs‐2714 (N
itrogen Dioxide sensor) only Jumper 3 and 4 should b
820 Ohms these
jumpers in place the circuit
is:
MiCs‐5914
100K Ohms
V+ these jumpers in place the circuit is: J5 C
MiCs-5914
D
J5
J5 820 Ohms
93.1 Ohms
93.1 Ohms To test the MiCs-2714 (Nitrogen Dioxide sensor) only
Jumper
3 and 4 should be installed. With these jumpers in place the
circuit is:
100K Ohms
J5
C
MiCs-2714
93.1 Ohms
V+ MiCs‐2714 V+
820 Ohms J3 J4
Vout B 130 Ohms H
MiCs‐2714 MiCs-2714
J
MiCs‐4514 A
B
51K Ohms J3J3 J4J4
820 Ohms
Vout B Vout
B
130 Ohms 130
Ohms
51K Ohms 51K
Ohms
To test the dual MiCs‐4514 (Carbon Monoxide and Nitrogen Dioxide sensor) only Jumper and 4 should be installed. With these jumpers in place the circuit is: MiCs-4514
820 ohms MiCs‐4514 820 Ohms test the dual MiCs-4514 (Carbon Monoxide and Nitrogen Dioxide sensor) onl
To test the dual MiCs-4514 (Carbon Monoxide andTo
Nitrogen
V+ To test the dual MiCs‐4514 (Carbon Monoxide and N
itrogen Dioxide and
4 should
be installed. With these jumpers in place the
circuit is: sensor) o
Dioxide sensor) only Jumper 1, 2, 3 and 4 should be
installed.
Vout A and 4 should be installed. With these jumpers in place the circuit is: MiCs‐ 4514 With these jumpers in place the circuit is:
V+
Vout B the NO2
820 ohms 82 Ohms F
51K Ohms G
H
In the configuration, the CO sensor is on Vout A, and
130 Ohms 100K Ohms 820 Ohms 820
Ohms
output is on Vout B.
J
MiCs-4514
D
V+ C
A
B
In the above configuration, the CO sensor is on Vout A, and the NO
2 output is on Vout B. Vout A Conclusion:
82 Ohms
51K Ohms
Conclusion: MiCs‐ 4514 Ohms
The quick start demo board will allow the quick testing of the MiCs sensors,
and overcomes the 820
common
drawback of working with surThe quick start demo board will allow the quick testing of the MiCs sensors, and overcom
130 Ohms
100K Ohms
face mount devices. However, please make sure to the MiCs-AN2
A, as this will answer many of the most common
questions
asked,
Q and
common drawback of working with surface mount devices. However, please make sure t
82 Ohms 51K O
notable:
MiCs‐AN2 Q and A, as this will answer many of the most common questions asked, notab
130 Ohms 100K Ohms 1) That
The MiCs sensors are not generally used as an exact measurand device. That is, yo
1) The MiCs sensors are not generally used as an exact measurand
device.
is, you willthe
notCO
be sensor
able to measure
toA,
anand
exact
ppm
ppb
In the above configuration,
is on Vout
the
NOor
2 output is o
not be able to measure to an exact ppm or ppb level, but rather they are best use
level, but rather they are best used a low/med/high indication of a gas presence.
In the above configuration, the CO sensor is on Vout A, and the NO
low/med/high indication of a gas presence. 2 output is
2)
The MiCs devices work best in a constant airflow application. These devices are n
Conclusion:
These devices are not made to sit in the corner of a room and monitor air.
2) The MiCs devices work best in a constant airflow application.
made to sit in the corner of a room and monitor air. The best situation would be t
The
quick
demo
board will allow the quick testing of the MiCs sensors, and
Conclusion: The best situation would be to have the sensor sit in the air duct
and airstart
input
or output.
the sensor sit in the air duct and air input or output. common
drawback
of
working with surface mount devices. However, please ma
The quick start demo board will allow the quick testing of the MiCs sensors, a
3) While the MiCs sensor are advertised to monitor one gas, the sensors are all cross
MiCs-AN2
Q
and
A,
as
will answer
ofTesting
the most
questions ask
3) While the MiCs sensor are advertised to monitor one gas, the
sensors aresensitive to other gases. Testing in a given application is highly recommended. all crossthis
sensitive
to othermany
gases.
in acommon
given application
common drawback of working with surface mount devices. However, please
4)
Pulsing power to the senor is not recommended. In general, the sensors have lon
is highly recommended.
MiCs‐AN2 Q and A, as this will answer many of the most common questions up time to function properly. 1) The MiCs
sensors are not generally used as an exact measurand device.
MiCs-4514
4) Pulsing power to the senor is not recommended. In general, the
long
warm up
to function
not
be have
able to
measure
totime
an exact
ppm orproperly.
ppb level, but rather they are
1)sensors
The MiCs sensors are not generally used as an exact measurand devic
AN2 will guide you through other questions as well. However, whilelow/med/high
there are a few indication
quirks when
using
the
MiCs device, over 20 Million
of
a
gas
presence.
not be able to measure to an exact ppm or ppb level, but rather they sensors are used annually for IAQ applications. Good Luck with yours!
2) The
MiCs devices work best in a constant airflow application. These dev
low/med/high indication of a gas presence. to sit in the corner of a room and monitor air. The best situation w
2) made
The MiCs devices work best in a constant airflow application. These d
the
Page
2sensor sit in the air duct and air input or output.
made to sit in the corner of a room and monitor air. The best situatio
3) While
the
MiCs sales@cdiweb.com
sensor are advertised to monitor one gas, the sensors ar
www.cdiweb.com 1-800-777-7334
email:
the sensor sit in the air duct and air input or output. http://sgx.cdistore.com 1-800-777-7334
email:
sensitive to other sales@cdiweb.com
gases. Testing in a given application is highly recomme
3) While the MiCs sensor are advertised to monitor one gas, the sensors
4) Pulsing
power to the senor is not recommended. In general, the sensors
sensitive to other gases. Testing in a given application is highly recom