
WARRANTY
This product is warranted against detects in materials and workmanship for one year following
the date of purchase by the original owner. This warranty does not include damage to the
product as a result of misuse, accident, damage, modifications or alterations, and it does not
apply if the instructions in this manual are not followed.
If a defect develops during the warranty period, Eco, Sensors at its election will repair the
instrument or will replace it with a new or reconditioned model of equivalent quality. In the
event of replacement with a new or reconditioned model, the replacement unit will continue
the warranty of the original unit.
If the product should become defective during the warranty period, it should be returned
freight prepaid with proof and date of purchase to the address indicated by calling (800)
472-6626,r faxing (505) 988-1315 or e-mailing to sales@ecosensors.com
Except as provided herein, Eco Sensors makes no warranties, express or implied, including
warranties of merchantability and fitness for a particular purpose. Eco Sensors shall not be
liable for loss or use of this instrument or other incidental or consequential damages, expenses
or economic loss, or claims for such damage or economic loss.
This warranty gives you specific rights, and you may also have other rights which vary from
state to state.
RECORD YOUR SERIAL NUMBER HERE_______________________________
KEEP THIS MANUAL FOR YOUR RECORDS
Eco Sensors is a registered trademark of Eco Sensors, Inc.
Ozone Switch is a trademark of Eco Sensors, Inc.
(c) Eco Sensors, Inc., 2000. Revision 1. For OS-3 REV. 1.
K1
TB2
TB1
TB3
J1
SET POINT
0-10 PPM
0
50
100
N.C.
COM.
N.0.
0-1V
OUTPUT
GND
12-24VDC IN
+5V
GND
SENSOR
Relay Contacts
5A 250 V.Max.
Sensor Module
Cable Connection
Power Jack
Data Logger
Power in if Jack
is not used
Set-Point Adjustment
Scale PPM
Do Not Use Below 5 (.5 PPM)
10 1
50 5
100 10
CAUTION! Avoid excessive touching of the inlet end of the sensor
and keep it free from chemicals, lubricants, dust, water, etc. Do
not use silicone caulking compound or RTV near the sensor
RECOMMENDED ACCESSORIES
FOR THE OS-3
OG-1 Ozone Test Generator Hand-held.
Generates up to about 7 ppm for verifying
instrument response.
OG-2 Ozone Source Calibrator Precision UV
lamp calibrated ozone source. Generates .1
ppm reference concentration. Battery operated.
Small and simple to use.
DL Series Data Loggers Tiny battery-
operated data loggers record data for later
analysis in PCs.
More information about our products and applications at:
www.ecosensors.com