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HY-ALERTA™ 2620 Explosion Proof Area Hydrogen Monitor

H2scan’s 2620 Explosion Proof Area Hydrogen Monitor provides hydrogen-specific leak detection and measurement for hydrogen concentrations as low as 4000 ppm and can be scaled to any concentration up to 5% hydrogen by volume, a range representing 10% to 125% of hydrogen’s low flammability limit. The monitor is designed for either ceiling or wall mount. H2scan’s hydrogen-specific sensor technology has no cross sensitivity to other combustible gases, thus eliminating false positive alarms and ensuring safety system reliability.

Performance

Hydrogen Sensitivity Range:
0.4% to 5.0% hydrogen by volume,
10% to 125% hydrogen lower flammable limit
Response Time: T90 < 60 sec
Ingress Protection: IP64 capable
Calibration Interval: 90 days
Product Life Expectancy: 10 years
Accuracy: ± (3% of reading + 0.2) percent
hydrogen by volume

Interface Options   

Input Voltage Range: 90 VAC to 240 VAC
Input Power: 15W
Analog Outputs:
 Output Currents
 • 4 mA to 20 mA
 • 0 mA to 20 mA
 • User-specific mA range 

Serial Communication Options: RS232 or RS422
Relay Contacts: Two programmable relays and one fault relay with both normally open (N.O.) and normally closed (N.C.) contacts:
• 5A/240VAC
• 5A/ 30 VDC

Dimensions    

Width: 13.8 cm (5.4 in)
Length: 19.2 cm (7.5 in)
Depth: 13.0 cm (5.7 in)

Operating Conditions

Operating Temperature Range: -20ºC to 55ºC
Storage Temperature Range: -30ºC to 80ºC
Operating Humidity: 0% to 95% RH (non-condensing)
Calibration Background Gas: Air

Adapter Fittings    

¼” Tube for Calibration Gas Connection


Certifications


2620

UL 508, 1203
USC – Class I, Division 1, Groups B, C,
and D Hazardous (Classified)


Remote

UL 913
CAN/CSA C22.2 No. 157-92

HY-ALERTA is a registered Trademark of H2scan. Specifications subject to change without prior notice.

 
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