Spectrex - Model A-21ZX -Pocket Ozone Detector

The Spectrex Model A-21ZX is a battery operated portable ozone sensor and a continuous-operation digital ozone level monitor. The design combines the latest solid state sensor technology with new air handling mechanisms to optimize the sample presentation to the sensor. Advanced battery and power management circuitry assures efficient operation. The A-21ZX warms up quickly and requires no zeroing or adjustments. Its range covers both the industrial hygiene range of 0-0.3 ppm and extends up to 10 ppm for ozone equipment testing.

• Extensive range of 0-10 ppm.
• Digital readout in 0.01 ppm increments
• Self contained long-life rechargeable NiMH batteries
• Warms up in minutes - responds in seconds
• Ease of calibration and service
• Operation from self-contained batteries or from AC line
• Supplied with a carrying case and an AC adapter/charger for 110V 60Hz customers

• 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
• Response time: within 10 seconds
• Accuracy: 20%
• Size: 50 × 100 × 25 mm (2 × 4 × 1 in)
• Weight: 170 grams (6 oz)
• Temperature range: 32 -104 F (0-40 C)
• Approval: CE
• Power requirements: 12 VDC unregulated; AC adapters available worldwide
• Battery: Rechargeable batteries last more than 8 hours
• Compatibility: Should not be used for quantitative measurements in the presence of acid gases, strong halogen compounds, or strong VOCs