Spectrex Corporation - 800.822.3940 Environmental and Analytical Instruments
Call Us  800.822.3940 | E-Mail Us
HomeProducts Services Technical Notes and Manuals About Us Contact Us    

Ozone Analyzers and Monitors

Compatibility Chart

  Function Range/ppm Outputs Price
A-21ZX Hand-held portable 0-10 LCD digital $680
A-22 Portable or Fixed 0-20 LCD digital
0-2 V 4-20 mA
USB
$1,100
C-21 Portable or Fixed for VOCs 0-150 VOCs LED bargraph
Audio alarm
0-2 V and relay
$290
C-30ZX Fixed monitor with relay and alarm 0-.14 LED bargraph
Audio alarm
0-2 V and relay
$480
DO3 Hand-held for dissolved ozone 0-2 dissolved LCD digital
Audio, LED and
vibration alarms
CALL
DOM-1 On-line for dissolved ozone 0-2 dissolved LCD digital 4-20 mA $1,900
EZ-1X Hand-held portable 0-.14 LED bargraph

$290

EZ-10W Hand-held for dissolved ozone 0-.7 dissolved LED bargraph $480
OG-3 Calibration checker 0.1 Ozone outflow port $465
OS-1X Control generators by set-point .03-.1 Relay contacts $370
OS-4 Fixed monitor and controller. Digital. 0-10 LCD digital 0-2 V and relay 4-20 mA and RS-232 $770
PO3 Hand-held portable 0.02-2.00 LCD digital
8 hour TWA
Audio, LED and
vibration alarms
CALL
UV-100 UV absorption analyzer and controller 0-900+ LCD digital RS-232 and USB 0-2 V and 4-20 mA Digital data logger $3,250

Accessories

  Description Price
RAP-2 Remote Alarm Panel and Digital Read-Out $500
DL-3 A custom modified data logger for the C-30ZX or the C-21 $440
EE-1 An environmental enclosure $220
EE-2 An environmental enclosure, pre-drilledfor the C, EZ, and OS series of instruments $220
CUV-1-B Carrying case for the UV-100 $780
ZOF-1 Zero ozone filter (scrubber) for the UV-100 $28

back to top


UV Ozone Analyzer
Model UV-100

Ozone Analyzer

The model UV-100 ozone analyzer is for general purpose measurement of ozone in air. Its range is .01-900 ppm (v) with 2% accuracy, and it includes a built-in data logger. The UV-100 weighs only 2.1 kg (4.7 lb), it is powered by an AC adapter or 12 V external battery, and is equally versatile for the laboratory or for process monitoring. The outputs are digital display, 0-2.5 VDC and 4-20 mA. The instrument featurs LEDs to indicate calibration is due, the sample line filter should be replaced, and that the sampling area is above the danger limit of .1 ppm.

Specifications:

  • UV Source: 254 nm mercury lamp
  • Range: .01-900 ppm v/v in 3 ranges: 0-1.00 ppm, 0-10.0 ppm, 0-900.0 ppm
  • Outputs: Digital display. 0-2.5 V, 4-20 mA, data logging
  • Accuracy: 2%
  • Sampling time: 10 seconds
  • LED Indicators: On-off, Recalibrate, Change Filter, >.1 ppm at sample area
  • Size: 95 × 210 × 216 mm (3.75 × 8.25 × 8.50 in)
  • Weight: 2.1 kg (4.7 lb)
  • Power requirement: 12 VDC at 400 mA.
  • Warranty: One year


Click Here to View the UV-100 Manual (PDF 219kb)

back to top


Dissolved Ozone Monitor
On-line, 0-2 ppm, Low Cost, Rugged Model DOM-1

Dissolved Ozone Monitor

Using proprietary technology, our instrument strips the ozone from the water stream and reads it as the concentration of ozone released into a measuring chamber. This has advantages over conventional methods for measuring dissolved ozone.

Typical applications:

  • Bottled water plants
  • Food treatment systems
  • Equipment sterilizing systems
  • Wastewater treatment monitoring
  • Factory pure water process and control

Features:

  • Specific to ozone
  • Insensitive to most interfering chemicals such as salt and chlorine
  • Low cost and easily replaceable parts
  • User can easily calibrate the instrument to any in-house standard
  • Set-point relay for alarm or system control
  • 4-20 mA output to PLC or other remote readouts and controllers

Requirements:

  • Water feed at > 14 psi (1 bar)
  • .15 liters/minute (3 gallons/hour) flow to drain or reclaim
  • 12 VDC 800 mA power supply

Specifications:

  • Accuracy: better than 20%. 10% typical
  • Readout: 0-2 ppm in .01 ppm increments
  • Lowest reading: .03 ppm

Click Here to View the Dom-1 Manual (PDF 249kb)

back to top


Rugged and Versatile Ozone Sensor
Battery operated, Hand-held, Rugged Model A-22

Dissolved Ozone Monitor

A general purpose sensor and monitor. Designed for rugged indoor field use, factories, pilot plants, process facilities, and sensor and monitoring uses of all kinds. Uses the same precalibrated sensor modules as our OS-4 permanent monitor and controller. All digital technology.

  • Autoranging .030-1.999 ppm and 2.0-20.00 ppm.
  • 10% accuracy. T and RH compensated.
  • 12 hour (est) battery life. 8 hour charge. 4 hour fast charge available.
  • Plug-in precalibrated sensor modules.
  • Internal data logger with instant readout of high, low and average of data.
  • Data port for external data logger such as our DL-3.
  • USB, 4-20 mA, 0-2 VDC outputs for loggers, computers and PLC.
  • Tilt stand and wall hanging hook.
  • Back light for LCD display.
  • Improved HMOS heated metal oxide sensor.
  • Size 108 W × 222 L × 64 D mm .71 kg.
    4¼ W × 8¾ L × 2½ D in 1lb 10 oz.
  • Power source: Internal rechargeable batteries or 12-24 VDC, 500 mA, from external adapter/charger.


Click Here to View the A-22 Manual (PDF 153kb)

back to top


Low Cost Ozone Sensor For Air
Model PO3

PO3

Features:

  • 0.02 - 2.00 ppm
  • 20% accuracy
  • Less than one minute response time
  • 8 hour TWA. Data logger optional
  • Audio, LED and vibration alarms
  • Also available for CO and H2S

Specifications:


  • 66 X 35 X 14 mm (2.4" X 1.4" X .65") 28 grams(<1 oz.)
  • Up to 3 months battery life. Standard watch battery.
  • Proprietary nanocell micropower sensor technology



back to top


Low Cost Ozone Sensor For Water
Model DO3

DO3

Features:


  • 0.00 - 5.00 ppm
  • 20% accuracy
  • 1 minute response time
  • No test chemicals or disposables
  • Hand-held and easy to use

Specifications:


  • 66 X 35 X 14 mm (2.4" X 1.4" X .65") 28 grams(<1 oz.)
  • Up to 3 months battery life. Standard watch battery.
  • Proprietary nanocell micropower sensor technology



back to top


Pocket Ozone Detector
Model A-21ZX

Pocket Ozone Detector

The Model A-21ZX portable ozone sensor provides a reliable and inexpensive way of checking generators, valves, piping and general environments for ozone leaks and for estimating ozone levels. It can be used as a permanent monitor indoors when concentrations average below .1 ppm. It may be used outdoors for ozone studies in moderate temperature conditions.

Features:

  • Small size and high sensitivity
  • Ease of calibration and service
  • Instant On
  • Very simple operation

Specifications:

  • Range: 0-10 ppm; sensitivity as low as .02 ppm
  • Display: digital readout in .01 ppm increments
  • Measurement principle: HMOS (heated metal oxide semiconductor) sensor
  • Size: 50 × 100 × 25 mm (2 × 4 × 1 in)
  • Weight: 170 grams (6 oz)
  • Power requirements: 12 VDC unregulated; AC adapters available worldwide
  • Battery: Rechargeable batteries last more than 8 hours


Click Here to view the A-21ZX Manual (PDF 97kb)

back to top


Color-bar Ozone Monitor

Model C-30ZX

Color-bar Ozone Monitor

The C-30ZX Ozone Monitor provides a reliable and inexpensive way of continuous monitoring for low levels of OZONE gas for water treatment plants, pulp bleaching mills, photocopier and laser printer centers, fumigation projects, indoor air quality systems, and wherever ozone exposure is possible. The C-30ZX has a very fast and continuous response, constantly monitoring your work environment.

Benefits:

  • Constantly monitors your work environment; shows the ozone concentration by a multicolor graphical display, and alarms when there is a health hazard
  • No installation typically required; easily understood by non-technical personnel
  • Virtually no maintenance

Features:

  • LED readout changes color as ozone level increases
  • Audio alarm and output for data logger
  • Connections for external equipment control
  • For general monitoring and ozone control
  • Many accessories available such as data loggers, calibrators, and protective enclosures with heaters and 4-20 mA outputs

Specifications:

  • Range: .02-.14ppm of ozone (LED scale); .02-.30 ppm via external data readout
  • Bargraph Display: Normally green; yellow at .05 ppm (caution); red at .1 ppm (danger)
  • Response time: Within tenths of seconds of ozone reaching the sensor
  • Measurement principle: HMOS (heated metal oxide semiconductor) sensor
  • Size: 85 × 35 × 60 mm (3.25 × 1.375 × 2.375 in)
  • Weight: 140 gr (5 oz)
  • Power requirements: 12 VDC at 300 mA. AC adapters available worldwide.
  • Outputs: LED bargraph, audio alarm, 0-3 V analog output such as for data loggers, and external alarm relay contacts; alarm actuation and relay contact closure at .1 ppm (standard) and is programmable.

Click Here to View the C-30ZX Manual (PDF 32kb)

back to top


Model EZ-1X
The Ecozone™ - Simple, Inexpensive Ozone Monitor

Model EZ-1X

For monitoring ozone levels near small ozone generators. Ideal for light commercial applications such as bars and restaurants, hotels, photocopy centers, water bottlers, fumigation, research projects, light manufacturing, swimming pools, residential and wherever ozone exposure is possible. For permanent on-site use and for portable work by field engineers and installers.

The EZ-1 has a fast and continuous response. It is rugged and versatile. There are no touchy controls

Features:

  • Constantly monitors your work environment. Ozone concentration shown by a multicolored graphical display from green (safe) to yellow (caution) to red (danger).
  • No installation required. Easily understood by non-technical personnel.
  • Field work and walk around analyses possible via power from internal rechargeable batteries.
  • Compatible with other Eco Sensors VOC and ozone sensing, monitoring, and control products.
  • Lowest cost.

Specifications:

  • Range: .02-.14 ppm of ozone
  • Bargraph Display: Normally green. Yellow at .05 ppm (caution). Red at .1 ppm (danger).
  • Response time: Within 10s of seconds of the ozone reaching the sensor.
  • Measurement Principle: HMOS (heated metal oxide semiconductor) sensor.
  • Size: 85 × 35 × 60 mm (3.25 × 1.375 × 2.375 in).
  • Weight: 154 gr (6 oz).
  • Power Requirements: 12-24 VDC at 300 mA. AC adapters available worldwide.
  • Battery: Self-contained NiMH. Approximately 8 hour capacity. Recharged by AC adapter overnight.


Click Here to View the EZ-1X Manual (PDF 42kb)

back to top


Model EZ-10W
The Ecozone™ - Low-Cost Dissolved Ozone Meter

Model EZ-10W

For checking residual dissolved ozone levels in bottled water, swimming pools, spas, water treatment systems, aquariums, food washing and canning, wineries, agriculture, cooling towers, research projects, and much more.

Equally useful in the Plant, lab or field.

Uses 50 ml samples. The sensor does not contact the water. There are no interferences from Chlorine or Salinity

Features:

  • No fouling of the sensor. No special probe installation. No sensor-water contact.
  • Easily understood by non-technical personnel. No confusing chemistries or restrictions.
  • Easy to check calibration by standard kits and by Eco Sensors ozone sources.
  • Can use AC power via low voltage adapter or can use internal rechargeable batteries.
  • Lowest cost. No consumables.

Specifications:

  • Ranges: .02-.14 ppm (mg/l), .1-.7 ppm (mg/l)
  • Accuracy: Within 20% at higher end of ranges when operated near room temperature.
  • Response time: About 10 seconds to 90% reading. Full reading at 1 minute. Reading time is independent of the half-life of the ozone in the water sample.
  • Measurement Principle: HMOS (heated metal oxide semiconductor) in headspace.
  • Inteferences: None from salt or typical levels of chlorine. Only likely inteferences are from strong VOCs.
  • Size: 85 × 35 × 60 mm (3.25 × 1.375 × 2.375 in).
  • Weight: 154 gr (6 oz).
  • Power Requirements: 12-24 VDC at 300 mA. AC adapters available worldwide.
  • Battery: Self-contained NiMH. Approximately 8 hour capacity. Recharged by AC adapter overnight.

Click Here to View the EZ-10W Manual (PDF 99kb)

back to top


Ozone Source Calibrator

Model OG-3

Ozone Source Calibrator

The OG-3 ozone source calibrator is for calibration verification and simple approximate calibration of Eco Sensors ozone instruments.

It is available in either of two outputs: .1 ppm or 1 ppm. The OG-3 is powered by an AC adapter supplying 12 VDC.

The OG-3 uses a precision quartz UV lamp ozone generator. Its output is adjusted in our laboratory by comparison with a NIST traceable standard.

Specifications:

  • Ozone Source: UV lamp
  • Output Ozone Concentration: .1ppm (standard) or 1ppm (upon request)
  • Accuracy: 10%
  • Warm-up time: 30 minutes
  • Temperature of use: Indoor room temperature
  • Size: 36 × 95 × 160 mm (1.41 × 3.75 × 6.30 in)
  • Weight: 255 gr (9 oz)
  • Power requirement: 12 VDC at 300 mA
  • Warranty: One year


Click Here to View the OG-3 Manual (PDF 3kb)

back to top


Ozone Switch
Model OS-3

Ozone Switch

  • 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.


Click Here to View the OS-3 Manual (PDF 35kb)

back to top


Ozone Switch

Model OS-4

Pocket Ozone Detector

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.
  • Programmable turn-on and turn-off set-points.
  • Indication when .1 ppm safety standard exceeded.


Click Here to View the OS-4 Manual (PDF 222kb)

back to top


Remote Alarm Panel RAP-2

Remote Alarm Panel and Digital Read-Out

Remote Alarm Panel RAP-2

The RAP-2 Remote Alarm Panel is for alarming when signals from ozone and VOC monitors reach preset limits or set points. The alarms are a red strobe light and a loud audible alarm (90 dB at 3 meters). There is also a digital readout in PPM of ozone. The RAP-2 also outputs its input signal in 4.20 mA form for building automation systems and other applications requiring long signal paths. The RAP-2 is powered by 14-30 VAC or DC. This remote alarm panel is usually used with the C-30Z, C-30ZX, EE-1, EE-2, OS-3 and 0S-4. It can be used with some other instruments by special order.

Typical Applications:

  • Swimming pools.
  • Laundries using ozone.
  • Large noisy factory environments.
  • Casinos and other ozonated public areas.
  • Agricultural storage areas.
  • Farms.
  • Food processing plants.

Features:

  • Rugged polycarbonate enclosure with hinged door.
  • Accepts input of 0-2 VDC, 4-20 mA and relay closure.
  • Loud pulsating audio alarm with silencing button.
  • Very bright red strobe light.
  • 4-20 mA signal and relay outputs.
  • Alarm set-point adjustment.
  • Uses easily available 14-30 VAC or DC power.
  • Signals from instruments can be transmitted by inexpensive twisted pair.
  • 125 × 175 × 77 mm (5 × 7 × 3 in).


Click Here to View the Rap-2 Manual (PDF 77kb)

back to top


Color-bar, VOC Gas Detector
Model C-21 with Audio Alarm & Data Logger Output

Color-bar, VOC Gas Detector

Includes Audio Alarm, Battery operation and Provision for External Alarm and Data Logger

For paint shops, printers, dry cleaners, woodworkers, vehicle repair facilities, chemical production areas and wherever indoor air quality monitoring is required: the Model C-21 gas sensor helps you comply with the new VOC air quality regulations for hydrocarbon gases and solvent vapors.

Benefits:

  • Constantly monitors your work environment. Detects leaks and poor air quality before they are a health hazard. Alarms below OSHA TLV for most common solvent-based VOCs.
  • No installation. Easily used and understood by non-technical personnel.
  • Virtually no maintenance.

Features:

  • Highly sensitive to solvent vapors and other VOCs. Bright green-yellow-red display clearly shows hazard level of gas or vapor.
  • Detects down to OSHA, EPA, and other regulatory-mandated levels...typically at low ppm concentrations.
  • Has built-in rechargeable battery for portable use in tracking leaks.
  • Rugged construction with many safety features.

Specifications:

  • Range: Full scale = 50-100 ppm for most solvent based VOCs.
  • Bargraph display: Green = normal. Yellow = caution. Red = danger.
  • Response time: Within a few seconds of the VOC gas reaching the sensor.
  • Measurement principle: HMOS (heated metal oxide semiconductor) sensor.
  • Size: 85 × 35 × 60 mm (3.25 × 1.375 × 2.375 in)
  • Weight: 140 gr (5 oz).
  • Power requirements: 12 VDC at 300 mA. AC adapters available worldwide.
  • Battery: Self-contained NiCad or NiMH. Approximately 2 hour capacity. Recharged by AC adapter overnight.
Click Here to View the C-21 Manual (PDF 29kb)

back to top


Ozone Switch (OS-1X)

os1x

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

Features:

  • Contractor-friendly installation.
  • Operates from easily available 12-24 VDC or from AC adapters available world-wide.
  • Dead band to avoid system chatter.
  • Set-point adjustable by the installer but not by the room occupants.
  • Can be installed directly on HVAC air ducts.

Typical Applications:

  • Control of ozone purifiers
  • Ozone overload protection for industrial processing and storage, and air treatment in public places
  • Leakage alarm for water treatment plants, semiconductor manufacturing, and for bleaching, cleaning, and sterilization processes.

Specifications:

  • Range and Accuracy: .03-.1 ppm of ozone. Approximately 20% Accuracy.
  • Response time: Within 10s of seconds of the ozone reaching the sensor.
  • Measurement Principle: Advanced design HMOS (heated metal oxide semiconductor) sensor.
  • Size: 76 × 64 × 42 mm (3 × 2.5 × 1.625 in).
  • Weight: 5oz. (140 grams)
  • Power Requirements: 12-24 VDC, 300 mA. AC adapters available.
  • Output control: SPDT non-latching relay. Contacts rated at 5 amps, 250 VAC, or 1/8 HP inductive load.
  • Connections: 5 Circuit totally enclosed terminal block for relay output and DC input. Also, 2.5 mm DC power jack for AC adapter.
  • Indicators: Green LED: instrument on. Red LED: set-point exceeded and relay activated.
  • Case: Flame-resistant ABS.
  • Not recommended for outdoor use or in presence of output gases.


Clcik Here to View the OS-1X Manual (PDF 27kb)

back to top


Data Logger (DL-3)

os1x

The DL-3 is a custom modified data logger configured for Eco Sensors instruments and applications. It plugs into the accessory jack of the C-30ZX or the C-21 to log data without further adjustments. It can download logged data into a PC or laptop by its RS-232 serial cable, or it can send data continuously to the PC for continuous display and analysis by the PC.

Features:

  • Automatic logging time and max gas concentration scaling (X and Y axis scaling).
  • Stores over 8,000 readings.
  • On-line, real time display of data when connected to a PC and an operating gas sensing instrument.
  • Graph statistics appear on screen: Max, Min, Average, Date and Time.
  • Zoom capability to for more detailed viewing of any part of the graph.
  • Graphs can be labeled and pasted into other applications.
  • Uses readily available 9 V alkaline battery. Records for up to one year.
  • Simple operation and rugged construction.

Specifications:

  • Data Output: RS-232 via DB9 connector 1200 baud
  • Accuracy: 1%
  • Operating temperature: -20 deg to 70 deg C (-4 deg to 158 deg F)
  • Relative Humidity: 5 - 95% non-condensing
  • Operating System Required: Windows®
  • Controls: One button to start and stop recording and to turn the data logger on and off
  • Size: 73 × 59 × 41 mm (2.875 × 2.3125 × 1.625 in)
  • Weight: 140 g (5 oz)


Clcik Here to View the DL-3 Manual (PDF 4kb)

back to top


Environmental Enclosure
(EE-1)
An environmental enclosure for, C-21, C-30ZX, EZ-1X, OS-1X, and OS-3.
Up to 100yds connection

Click Here to View the EE-1 Manual (PDF 47kb)

back to top



Environmental Enclosure (EE-2)

os1x

The Environmental Enclosure (EE-2) is for dust and water protection in industrial and agricultural environments and in public places. This is a Euro-Style plastic enlosure 120 mm wide, 180 mm high, and 80 mm deep (5 in × 7 in × 3 in) with a clear polycarbonate gasketed front cover. There are screened air inlets on the sides and an exhaust fan on the bottom.

Everything in the enclosure is powered by 12-16 VDC or, as an option, 24 VAC or DC. Other options are a relay to control external equipment, a 4-20 mA signal loop output, and an enclosure interior heater. Wiring to external equipment is via a semi-sealing side gland.

Typical Applications:

  • Factory environments with dust, spray, and general need for extra protection.
  • Farms to protect from dust and wash downs.
  • Agricultural storage areas to protect from treatment chemicals, sprays, dust, insects, and to provide an enclosed environment for instrument heating, etc.
  • Public areas such as office buildings, apartment complexes, and hotels to protect against tampering with the instrument yet keep it visible.
  • Other: swimming pool maintenance sheds, water supply control areas, trash bin areas, in ships, attached to machinery, and mobile skid packages.

Features:

  • Rugged construction made of tough polycarbonate.
  • Clear polycarbonate gasketed cover with 4 mounting screws.
  • Inside mounting board predrilled for Eco Sensors C, EZ, and OS series of instruments.
  • Relay output option with 5 amp contacts.
  • 4-20 mA output option.
  • Interior space heater option.
  • Designed so that any dust or liquid droplets that do enter the enclosure flow around the instument while the gas sample diffuses to the instrument gas inlets.
  • Bottom mounted exhaust fan to maintain air flow and remove accumulating dust, etc.
  • Extra top and side knock-outs so that the customer can attach his own additional piping and wiring.
  • Uses same 12 VDC output AC adapter that is supplied with the instrument.
  • 24 VAC or DC power option such as for HVAC and OEM machinery systems.


Clcik Here to View the EE-2 Manual (PDF 59kb)

back to top

  1. Important qualitative ozone relationships. [PDF - 32kb]
  2. Ozone sensing and leak detection. [PDF - 38kb]
    Lawrence B. Kilham. Reprinted from Water Conditioning & Purification Magazine. September 1995.

printer friendly version  (PDF - 229kb)

 

Particle Counters
   - PC-2200 (liquid)
   - PC-2300 (liquid)
   - HPC-600 (airborne)
Explosives Detector Personal Air Samplers VOC Monitor Miniature Gas Pumps    - AS-200 Micro Pump
   - AS-300 Pump
   - AS-350 Pump
Ozone Analyzers and Monitors    - Model UV-100
   - Model EZ-1X
   - Model EZ-10W
Vreeland Spectroscope Colorimeter/Turbidimeter for Water Testing Partascope Viewer