t703

The Model T703 Photometric O3 calibrator combines an ozone generating device and photometer to provide a specified ozone concentration by volume for precision gas analyzers.

With NumaView™ premium T Series software

  • Large, vivid, and durable color touchscreen display
  • Lifetime technical support by phone and email
  • All other T Series instrument platform features
  • Standard two-year warranty

 System

Linearity  ± 1% of full scale
Precision 1.0 ppb
Response Time < 180 seconds to 95%
Stability (7 days)
< 1% with photometer feedback
< 3% without photometer feedback (CNST or REF)

 Ozone Generator Module

Flow Rate
(with internal zero air source)
1 to 5 LPM adjustable
Flow Rate
(with external zero air source)
1 to 15 LPM adjustable
Maximum Output 5 LPM
Minimum Output 100 ppb LPM
Maximum Concentration 5 ppm at 1 LPM
Minimum Concentration 50 ppb at 2 LPM
Response Time < 180 seconds to 98%

UV Photometer

Range 0 - 100 ppb to 0 - 10 ppm (selectable)
Precision 1.0 ppb
Linearity ± 1% of full scale
Rise/Fall Time < 20 seconds to 95% (photometer response)
Response Time < 180 seconds to 95% (system response)
Zero Drift < 1.0 ppb/7 days
Span Drift < 1%/24 hours
Lag Time < 10 seconds
Flow Rate 800 cc/min ±10%

 Electrical Specifications

Power Requirements 100V-120V, 220V-240V, 50/60 Hz
Analog Output Ranges
(Test Channel)
10V, 5V, 1V, 0.1V (selectable)

 Communications Specifications

Included I/O
1 x Ethernet: 10/100Base-T
2 x RS232 (300-115,200 baud)
2 x RS232 (300-115,200 baud)2 x USB device ports
12 x digital control outputs
12 x digital control inputs
8 x digital status outputs
Optional I/O
1 x USB com port
1 x USB com port
1 x RS485Multidrop RS232

 Physical Specifications

Operating Temperature Range 5 - 40ºC
Dimensions (H x W x D) 7” x 17” x 24” (178 x 432 x 609 mm)
Weight 35.5 lbs (16.1 kg) with internal zero air pump
Specifications subject to change without notice.
All specifications are based on constant conditions.