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2BTech 714 Calibrator

Calibrates 3 gases using one convenient instrument

The Model 714 NO2/NO/O3 Calibration Source™ combines our Model 408 Nitric Oxide Calibration Source™ with our Model 306 Ozone Calibration Source™ to provide a highly portable transfer standard for three pollutant gases without the need for a compressed cylinder of nitric oxide. Calibrated concentrations of O3 are produced by photolysis of oxygen in scrubbed ambient air, and calibrated concentrations of NO are produced by photolysis of nitrous oxide, N2O, via a patent-pending process,

N2O + h → N2 + O*

O* + N2O → 2 NO

where O* is electronically excited oxygen atoms, O(1D2). In addition, calibrated concentrations of NO2 are produced by gas phase titration (GPT) of NO with O3 using the same method as conventional GPT NO/NO2 calibrators. The concentrations of all three pollutant gases are directly traceable to the NIST photometric standard for ozone – eliminating uncertainties associated with the stability of nitric oxide standards.

Nitrous oxide is provided by disposable 8 or 16 oz cartridges typically used for making whipped cream, eliminating the requirement for a compressed gas cylinder and thereby enhancing safety and portability. The Model 714 is designed to accompany sales of our new FEM Model 405 nm NO2/NO/NOx Monitor and replace current calibration systems for all ozone, NO and NO2 monitors. The Model 714, which has an intuitive touch screen user interface, is provided in a rack mount-sized instrument case matching that of the Model 405 nm.

Method of NO Production

UV photolysis of Nitrous Oxide (N2O) at 185 nm

Method of O3 Production

UV photolysis of Oxygen (O2) at 185 nm

Method of NO2 Production

Reaction of O3 with excess NO (gas-phase titration, GPT)

NO2 Concentration Range

0-500 parts per billion by volume (ppb)

O3 Concentration Range

0-500 ppb

NO Concentration Range

0-1000 ppb

Output Flow Rate

~2.0 to 3.5 L/min volumetric (2.5-3.0 typical)

Precision and Accuracy

Greater of 2.0 ppb or 2.0% of NO or O3 concentration

Response Time for Change in Calibrant Gas Output Concentration

< 30 s to reach 95% of selected concentration

Input and Output

Touch Screen LCD Display

Dimensions

Rackmount: 17" w × 14.5" d × 5.5" h (43 × 37 × 14 cm)

Weight

15.5 lb (7.0 kg)

Power Requirements

120/240 V AC with 5-amp power pack, or 12V DC; 1.5 A at 12V,18 watt (operation)

Max: 3.5 A at 12V, 42 watt (warmup)

Programmable Calibrated Gas Output

Yes, up to 99 different repeatable sequences may be specified by the user for NO, NO2 or O3 output, with up to 15 steps for each sequence from 0 to 500 ppb for O3 and NO2 (1000 ppb for NO); stored in internal memory

Transportation and Temperature Storage Ranges

−20°C to 60°C

Relative Humidity Range

0-80%, non-condensing

Altitude Range

0-2000 meters

I want to measure Nitrogen Dioxide [NO2], Nitric Oxide [NO], Ozone [O3]
Products Gas Calibrators, Portable Monitors
Applications Gas Calibrators & Generation

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