t703u

The Model T703U Photometric O3 Calibrator is designed to meet the requirements for low level ozone calibrations and audits, which requires stable, repeatable ozone generation at levels far below the capability of standard ozone calibrators.

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 < 240 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 ppm LPM
Minimum Output 15 ppb LPM
Maximum Concentration 5 ppm at 1 LPM
Minimum Concentration 3 ppb at 5 LPM
Response Time < 240 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 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 RS485
Multidrop 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.