C16 Ozone Monitor (Used)

Used C16 Ozone Detector.  Sells with everything shipped with a new C16.  We have this sensor ready for operation with a working ozone sensor we have calibrated and verified to read ozone accurately.

Ozone Information

Call For Price

Call For Price

Used C16 Ozone Detector. We have this monitor ready to ship with all accessories a new monitor sells with.  We have an ozone sensor installed in this monitor that is tested and calibrated for ozone from 0-2 ppm.

You can also purchase additional sensors to use with this C16 detector.


Gas leak detection is an important part of every plant safety program. Many industrial processes require the use of potentially toxic gases, and other processes may generate hazardous gases as a byproduct. Such hazards can be managed through careful equipment maintenance and regular monitoring for early signs of leakage.

C16 Features

  • Interchangeable “Smart Sensors” for over 30 gases
  • Internal sample pump and external sampling wand
    Standard “D” cell battery and rechargeable backup battery
  • One-hand pistol grip design
  • Easy to read back-lit graphics liquid crystal display
  • Instantaneous and timed-sampling modes of operation
  • Visual and Audible alarms
  • Internal data-logger with RS-232 output


The Series C16 PortaSens II portable gas leak detector is a versatile tool for performing regular leak checks in gas storage areas, around process equipment and piping, or in confined spaces prior to entry. Designed for easy one-hand operation, the detector contains an internal sample pump and a flexible sampling wand to allow pinpoint location of the source of leakage. A large character display insures that measured values are easily visible, and a back-light for the display insures readability in low or no light conditions.

A unique feature of the C16 detector is its ability to measure a variety of different gases by simply inserting the appropriate sensor for that gas. This means that one detector can be used to measure over 30 different gases or vapors, reducing the need to purchase individual detectors for each type of gas. And sensors can be changed quickly and easily, without the need for calibration when a sensor change is made.

Sensors used in the PortaSens II are ATI’s newest miniaturized smart sensor modules. Each sensor module is actually a sensor, amplifier, and memory module in one compact package. Because of this design, sensor modules can be calibrated independently and simply plugged into any detector for immediate use. When installed in a detector, calibration data is loaded into the microprocessor so that no adjustments are needed. The result is that a detector can, for example, go from phosgene measurement to ammonia measurement in less than one minute.

PortaSens II Gas Detectors are supplied in a padded
carrying case for easy storage and transport. Space is
provided for an extra battery plus up to two sensor keepers,
which means up to 8 extra sensors ready for immediate use.

The following components are standard:

  • PortaSens Gas Detector
  • Spare Filters
  • 10” Teflon Lined Sampling Wand
  • Flowmeter
  • RS-232 Output Cable
  • Battery Charger
  • Spare “D” Cell Battery
  • Sensor Keeper for up to 4 additional sensors
  • Calibration “T” Fitting

Click HERE to add additional gas sensors to your order.


Changing Sensors in the C16:

Sensors in the C16 can be changed easily.  See image below.

Remove 2 thumbscrews from the sensor cover, remove the sensor cover, and swap sensors.  If you are using the sensor keeper (included with the C16) spare sensors can be kept warm and ready to use.  Spare sensor keeper allows for use of a battery to keep power to the sensors.  Therefore, after swapping sensors there is virtually no delay in measuring your new gas!


Datalogging with the C16:

The C16 is capable of onboard data logging of your gas measurements.  All data logging cables and software are included with the C16.  Datalogging is easy to set-up and easy to use.

The C16 is capable of storing 11,520 data points.   Data logging intervals of 1, 5, 10, and 15 minutes are possible.  The follwing data logging is possible

  • 1 minute interval = 8 days of data
  • 5 minute interval = 40 days of data
  • 10 minute interval = 80 days of data
  • 15 minute interval = 120 days of data

The screenshot below shows the datalogging set-up of the C16.  A very simple interface is used to set-up your data logging software and downoald.

C16 Data Logging Set-up

Data is logged with C16 and downloaded.  All data is exported to a CSV file that can be graphed or shown as a table with common spreadsheet software on your computer.

 C-16 logged data



C16 Specifications

Range User adjustable within limits of selected sensor
Display Back-lit graphics liquid crystal display
Accuracy Sensor dependent but generally ± 5% of value (limited by cal. gas)
Repeatability  ±1% (Electronic)
Sensitivity:  1% of sensor module range
RS-232 output of stored gas values,   0-1 VDC analog (requires optional output cable)
Memory 12,000 data points
Storage Interval Programmable for 1, 5, 10, and 15 minute intervals
Power: D cell battery, alkaline recommended, 75 hours operation Internal rechargeable battery for backup power, 6 hours operation 115 or 220 VAC chargers available
Detector Material: Glass filled nylon, PVC, and stainless steel
Alarm Relays: Three SPDT, 5 A @ 230 VAC resistive
Three concentration alarms with adjustable setpoints. Alarms may be set for high, low, or off. Low flow and low battery alarms Alarms displayed on LCD and indicated by audible beeper



C16 Product Spec Sheet

C16 Product Manual


Links to more info:

Calibration information

ATI Specific Calibration Information

Ozone Information 


 We provide each sensor with a standard detection range.  However, for specific applications each sensor can be calibrated to custom ranges.  See list below for min, and max range options for each sensor, along with standard range.

Please contact us with any questions on what sensor might be right for you, or if other sensors are available for your application.

Part No.   Gas Min Range        Max Range        Standard range      
00-1000 Bromine 0-1 ppm 0-5 ppm 0-2 ppm
00-1001 Bromine 0-5 ppm 0-200 ppm 0-20 ppm
00-1002 Chlorine 0-1 ppm 0-5 ppm 0-2 ppm
00-1003 Chlorine 0-5 ppm 0-200 ppm 0-20 ppm
00-1004 Chlorine Dioxide  0-1 ppm  0-5 ppm  0-2 ppm
00-1005 Chlorine Dioxide  0-5 ppm  0-200 ppm  0-20 ppm
00-1006 Flourine  0-1 ppm  0-5 ppm  0-2 ppm
00-1007 Flourine  0-5 ppm  0-200 ppm   0-20 ppm
00-1008 Ozone  0-1 ppm   0-5 ppm   0-2 ppm
00-1009 Ozone  0-5 ppm  0-200 ppm  0-20 ppm
00-1010 Ammonia  0-50 ppm 0-500 ppm 0-200 ppm
00-1011 Ammonia  0-500 ppm 0-2000 ppm 0-1000 ppm
00-1012 Carbon Monoxide  0-50 ppm 0-1000 ppm 0-200 ppm
00-1013 Hydrogen  0-1% 0-10% 0-4%
 00-1014 Oxyge  0-5% 0-25% 0-25%
 00-1015 Phosgene   0-1 ppm  0-5 ppm  0-2 ppm
 00-1016 Phosgene  0-5 ppm 0-100 ppm 0-100 ppm
00-1017  Hydrogen Chloride  0-10 ppm 0-200 ppm 0-20 ppm
 00-1018  Hydrogen Cyanide  0-10 ppm  0-200 ppm  0-20 ppm
 00-1019  Hydrogen fluoride  0-10 ppm  0-200 ppm  0-20 ppm
 00-1020  Hydroge Sulfide  0-10 ppm  0-200 ppm  0-50 ppm
 00-1021  Nitirc Oxide  0-50 ppm  0-500 ppm  0-200 ppm
 00-1022  Nitrogen Dioxide  0-10 ppm  0-200 ppm 0-20 ppm
 00-1023  Sulfter Dioxide  0-10 ppm 0-500 ppm 0-20 ppm
 00-1024  Arsine  0-500 ppb  0-2000 ppb 0-1000 ppb
 00-1025  Arsine  0-10 ppm  0-200 ppm 0-10 ppm
 00-1026  Diborane  0-500 ppb  0-2000 ppb  0-1000 ppb
 00-1027  Diborane  0-10 ppm  0-200 ppm  0-10 ppm
 00-1028  Germane  0-500 ppb  0-2000 ppb  0-1000 ppb
 00-1029  Germane  0-10 ppm  0-200 ppm  0-10 ppm
00-1030 Hydrogen Selenide  0-500 ppb  0-2000 ppb  0-1000 ppb
00-1031 Hydrogen Selenide  0-10 ppm  0-200 ppm  0-10 ppm
00-1032 Phosphine  0-500 ppb  0-2000 ppb  0-1000 ppb
00-1033 Phosphine  0-10 ppm  0-200 ppm  0-10 ppm
00-1034 Phosphine  0-200 ppm 0-2000 ppm 0-1000 ppm
00-1035 Silane  0-10 ppm  0-200 ppm  0-10 ppm
00-1036 Iodine  0-1 ppm  0-5 ppm  0-2 ppm
00-1037 Iodine  0-5 ppm 0-200 ppm 0-20 ppm
00-1038 Acid Gases  0-10 ppm 0-200 ppm 0-20 ppm
00-1039 Ethylene Oxide  0-20 ppm  0-200 ppm  0-20 ppm
00-1040 Formaldehyde  0-20 ppm   0-200 ppm  0-20 ppm
00-1041 Hydrogen  0-500 ppm 0-2000 ppm 0-2000 ppm
00-1042 Hydrogen Peroxide  0-10 ppm  0-100 ppm  0-20 ppm
00-1043 Alcohol  0-50 ppm 0-500 ppm 0-200 ppm
00-1044 Alcohol  0-500 ppm  0-2000 ppm  0-2000 ppm
00-1057 Acetylene  0-500 ppm  0-2000 ppm  0-500 ppm
More Information
Manufacturer ATI
Call For Price No
Gas Ozone (O3)
4-20 mA Output No
Field Replaceable Sensor Yes
Auto Test Generator None
Min, Max, Avg No
Voltage Output 0-1 V
Power Requirements D cell battery, alkaline recommended, 75 hours operation Internal rechargeable Nicad for backup power, 6 hours operation 120 or 220 VAC chargers available
Datalogging Yes
Rechargeable Yes
Field Replaceable Battery Yes
Warranty 1 Year
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