Visualize odors and CO2 concentration
and automatically control
ventilation and deodorizing equipment
SMA-OVC-I

Ultimate IAQ compatible

Odor・CO2 Dual Sensor・Controller
Measure indoor odor and CO2 concentration
Achieveenergy-saving
by suppressing
excessive
ventilation

Visualize
indoorenvironment

Offices/Meeting rooms

Odor
detection

Improveindoorenvironment

Toilets/Restrooms

Hospitals/Nursing facilities

Visualize ozone and CO2 concentration
and automatically control
ventilation and ozone generators
SMA-OVC-II

Ultimate IAQ compatible

Ozone CO2 dual sensor controller
Measure indoor ozone and CO2 concentration
Visualize
indoorVentilateand sterilize
with proper levels

environment

Hospitals/Nursing facilities(measures against
infectiousdiseases)

Improve

Related product: OM-TS8
Ozone generator/Ceiling embedded typeindoorenvironment

トイレ
Restaurants

Commercial facilities/Event halls

CONTACT US

info@chcsys.net*Please feel free to contact uswith any questions before purchasing.

Planning, Designing ,and sales: C.H.C. SYSTEM TOKYO, JAPAN

Product HP

Visualization of air

Compliant with Ministry of Economy, Trade and Industry"Guidelines for Selection of Carbon Dioxide Concentration Measuring Instruments"
High-precision optical NDIR dual beam sensor, built-in CO2 concentration correction (calibration) function

SMA-OVC-I

Odor・CO2 Dual Sensor・Controller

Manufacturer's recommended retail price USD

Body size (mm)Specification table
22

Power inlet
for maintenance14.5 23

Measurement method Metal oxide gas sensor

23 14.5Odor sensor

9LCD display

75

SMA-OVC-I

60

ODOR

CO2PPMMODE

UP

DOWN

83.5

RH120

TEMPENTER

CO2 sensor

20 ODOR/CO
dual controller

27.5601852Odor sensor component
From the left (MODE-UP-DOWN-ENTER) button

Front

Gas inlet(used for calibration)

60

7.5

7.5
Communication
hole for wiring

RearSide

Switch（OFF/AUTO/ON）

49

26

Retaining screw

Top surface

Retaining screw

Bottom surface

SMA-OVC-II

Relay output(selectable)

0-5,000 ppm

Accuracy

CO2: Within ±75 ppm or ±5% larger value(0-3,000 ppm)

DUAL

Operates with either odor or CO2 concentration

CO2

Operates with CO2 concentration only

ODOR

Operates with odor only

EACH

Operates independently of odor and CO2 concentration

OdorOdor value 0-99 ⇒ 4-20mA

CO2CO2 concentration 0-5,000 ppm ⇒ 4-20mA

Temperature: 0-50℃;Humidity: 95% or less. No condensation

Power supply

AC ／ DC24V

Manufacturer's recommended retail price USD

Power inlet
for maintenance14.5 23

23 14.5

Ozone sensor

92260

PPM

120

83.5％ENTER

CO2 sensor

1027.560

21Ozone sensor compornent

Gas inlet(used for calibration)

23 OZON/CO

2
dual controller

From the left (MODE-UP-DOWN-ENTER) button

Front

715.00 (tax excluded)

7.560

RearSide

Measurement method

Metal oxide gas sensor

Target gas

Ozone gasMeasurement range

0-0.50 ppm（displayed in 0.01 ppm steps）

Measurement
methodHigh-Precision optical NDIR
(non-dispersive infrared absorption) dual beam Sensor

Measurement range

0-5,000 ppm

Accuracy

CO2: Within ±75ppm or ±5% larger value(0-3,000 ppm)

Correction (calibration)
Built-infunction

7.5
Communication
hole for wiring

Switch（OFF/AUTO/ON）

49

Measurement range

Speciﬁcation table
LCD display

DOWN

High-Precision optical NDIR
(non-dispersive infrared absorption) dual beam Sensor

Usage conditions

RHUP

Measurement
method

RS-485 Modbus RTUSMA-OVC-II

MODE

Converts odor intensity equivalent
to 0-5 to odor value (proprietary standard) 0-99

Digital output

Ozone・CO2 Dual Sensor・Controller

CO2COdors such as cigarette, cooking odors, VOCs, and ammonia

Measurement
range

Product warranty period 1 year

Body size (mm)TEMP

Target gas

Correction (calibration)
Built-infunction

Analog output

OFF AUTO ON

75645.00 (tax excluded)

26

Relay output

2 systems of relay 1/2 (equivalent to SMA-OVC-I)

Analog output

4-20mA output is possible for each of ozone concentration andCO2 concentration (equivalent to SMA-OVC-I)

Digital output

RS-485 Modbus RTU

Usage conditions

Temperature: 0-50℃;Humidity: 95% or less. No condensation

Power supply

AC ／ DC24V

Product warranty period 1 year
OFF AUTO ON

Retaining screw

Top surface

Retaining screw

Bottom surface

OM-TS8Ozone generator/Ceiling embedded type

Body size (mm)Manufacturer's recommended retail price USD

600.00 (tax excluded)

Speciﬁcation table

92
105

154

Amount of ozone generated 0-30 mg/h（Set with adjustment volume）

Attachable ceiling board80-120 L/min（Set with adjustment volume）

Power supply

AC100-200V 0.025A（MAX）50/60 Hz

Power consumption

2.5W

Effective processing range〜40㎡ (when ceiling height is 2.5m)

Ambient conditions

Temperature: 0-40℃;Humidity: No condensation

Weight

500 g (including cover)

Body external dimensions□154mm×H125mm

Driving sound21.6 dB

2031

thickness 31mm

Air ﬂow

154154Side

Bottom surface*The life varies depending on the speciﬁcation space and maintenance conditions. Speciﬁcations and appearance are subject to change without permission.

Distributors

2023.08