I would like to commend Ozone Solutions for their quality workmanship and superior customer service. Ozone Solutions provided us with a well-designed ozone sparge system with plenty of room inside to move around and perform the operation and maintenance on the ozone system. You were extremely helpful during the engineering, planning, and building process...

Phone: (712) 439-6880
Hours: 8 AM - 5 PM Central Time

C-30ZX: Inexpensive Ozone Monitor with Control Relays

Ozone Monitor and Controller


  • Simple LED Readout
  • Audible Alarm
  • Easy Installation
  • Consider: Wall-Mount. Range: 0 - 0.14 ppm. Display: LED. Alarm: Audible. Outputs: Multiple.

(See Full Specifications)

C-30ZX $520.00
Lead Time: 2 weeks

Buy Options:


add International Plug Adapter for $30.00 (More Info)
add OG-3 Sensor Checker for $490.00 (More Info)
add RAP-2 Strobe/Alarm for $500.00 (More Info)
add R-25 Control Relay for $225.00 (More Info)
add 0-2 VDC, 4-20mA Output Cable for $85.00


The C-30ZX Ozone Monitor is an easy-to-use monitor and controller for low-ozone environments. The included analog output and control relay will allow you to connect with ozone generators, fans or data logging devices. The audible alarm can alert your personnel if ozone levels become unsafe.

Monitor Quick Comparison:
Portable: No
Range: 0.00 - 0.14 ppm
Display: LED
Alarm: 85db Audible
Outputs: Yes
Datalogging: No
Indoor / Outdoor: Indoor

Optional AccessoriesDescription
International Plug Adapter220V/50Hz Power Option necessary for overseas use.
OG-3 Sensor CheckerSensor checker for 0.1 ppm ozone span gas.
RAP-2 Strobe/AlarmThe RAP-2 Remote Alarm Panel is for alarming when signals from ozone monitors or an ozone sensor reaches a preset limit or set-point.
R-25 Control RelayR-25 Relay provides the heavy duty relay necessary for ozone generator or alarm control when using an Eco-Sensors ozone sensor.
0-2 VDC, 4-20mA Output CableAnalog output cable that plugs into monitor


Range 0.02 - 0.14 ppm (20 - 140 ppb)
Accuracy +/- 10% 10 to 20%
Resolution 0.01 ppm (10 ppb)
Display Units ppm
Response Time 10 seconds
Detection Method HMOS
Display Bargraph
Alarm Audible
Internal Datalogging yes
Analog Outputs
0 - 3 VDC,
Communication Protocol None
Temperature Range 60 to 80°F (15.56 to 26.67°C)
Humidity Range 0 to 80%

Native Power

12 - 24 VDC 0.3 A

Included Option

120 VAC 60 Hz Adapter

Available Option

220 VAC 50 Hz Adapter
Dimensions 3.5 x 1.5 x 2.5 inches (8.9 x 3.8 x 6.4 cm)
Weight 0.31 lbs (0.14 kg)
= 1.390069 N
= 0.3125 lb
= 0.141748 kg
= 141.747615 g
= 141,747.615139 mg
= 5 oz
Supporting Documents User Manual and NIST Traceable Calibration Sheet included
Warranty 1 Years
Multi-Gas Capable no
Relays 1


Documents / Downloads

Frequently Asked Questions

Last Updated: June 18, 2015

The above information is from and is copyrighted by Ozone Solutions Inc.
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8 AM - 5 PM Central Time
Phone: (712) 439-6880
Toll Free: (888) 892-0303 (USA Only)
Fax: (712) 439-6733