Overview
Enviro Testers indicator nitric oxide gas detector It is extensively used in petroleum, petrochemistry, chemical industry, gas, coal, metallurgy and power system; safety detection in municipal administration, communication and traffic tunnel construction; electronics and semiconductor industry and other places where toxic and harmful gases exist
Features
• Handheld, industry use, high sensitivity and accuracy
• Intrinsically safe, Ex sign
• Rugged ABS+PC case, heavy duty, crash resistant
• High-capacity chip, 4 layers PCB board
• Visual & audible alarm
• High & low alarm point, fully adjustable
• Low battery alarm
Technical Specifications
| Gases detected | NO |
| Measuring range | NO: 0 ppm to 250 ppm |
| Resolution ratio | NO: 1ppm |
| Sensor | Imported UK electrochemical sensors |
| Sensor lifetime | ≥ 2 years |
| Response time | ≤ 45 S (T 90) |
| Alarms | Audible–buzzer with ≥90 dB audible
Visible–flashing red LED, ≥65.6 ft (≥20 m) visible Optional vibrating alarm |
| Alarm point | Fully adjustable |
| Continuous working time | ≥ 13 hrs. |
| Display | Liquid Crystal Display (LCD) |
| Battery | 3.7 V / 1500 mA |
| Charging time | 4 hrs. to 5 hrs. |
| Dust and water resistance | IP 65 |
| Size | 5.11 in x 2.60 in x 1.18 in (130 mm x 66 mm x 30 mm) |
| Weight | 0.55 lb. (250 g) |





