Spectrex-Simple, Inexpensive Ozone Monitor

OZONE SWITCH

M o d e l OS - 3
Price $469.00 USD

Acts like a thermostat to control ozone generators and alarms based on an adjustable ozone concentration set-points.

Ozone ppm readout via digital meter.

Simple and inexpensive.

FEATURES

Easy to install. Minimal adjustments.

Sensor is in a replaceable precalibrated module.

Separated by a 42-inch. cable, the instrument is not in the high ozone area.

Operates from 12-24 volts DC or from AC adapters available worldwide.

Hysteresis to avoid system chatter.

Alarms, data loggers and other accessories available.

TYPICAL APPLICATIONS

Monitor ozone levels in treatment storage areas for fruits, vegetables and other agricultural products. Monitor supply ducts of ozonated HVAC systems. General monitoring at -10 ppm.

Determine the output of small ozone generators using the air flow rate and ozone concentration formula.

Use as either ozone leak alarm or ozone failure alarm for all sizes of ozone generators.

SPECIFICATIONS

Range
0.2-10 ppm of ozone

Accuracy 20% (Typical, depends on application)

Temperature & humidity Limits are very application specific

Measurement Principle HMOS (heated metal oxide semiconductor) sensor

Size & Weight 76x64x42 mm (3" x 2 1/2" x 1 5/8"), 140 grams (5oz.)

Power Requirements 12-24 volts DC, 200 mA. AC adapters available

Output control SPDT non-latching relay. Contacts rated at 5 amps, 250 volts AC

Connections Terminal blocks for relay output and DC input. 2.5 mm DC power jack for AC adapter

Indicators Green LED: instrument "on." Red LED: set-point exceeded and relay activated

Monitor output 0-2 volts for data logger or other monitoring equipment

Case Flame-resistant ABS with mounting ears and hidden wiring port

Not recommended for use in the presence of strong acid gases or strong VOC fumes