Crowcon Tetra MO7237, Руководство пользователя, Страница: 30 / 36

X. Specification
Dimensions 122 x 128 x 57 mm (4
3
/
4
x 5 x 2
1
/
2
inches)
Weight 498 g rechargeable unit, including belt clip and
4 sensors.
Housing, degree of protection Ingress protection IP65 (NEMA 4)
Operating temperature -20°C to +55°C (-4°F to +131°F)
Humidity 0-99% RH, non-condensing for continuous
operation
Display 128 x 64 pixel
Warm up time 45 seconds approximately
Response time (typical) (T90) : approx 20 seconds for most toxic sen-
sors, 10 seconds for oxygen.
Repeatability ±2% FSD, 6 months
Explosion protection Intrinsically Safe
ATEX Essential Health and Safety Requirement, clause
15.9
Safety certificate no. BASEEFA03ATEX0193
Approval codes
Europe:
ATEX II 2G EEx ia d IIC T4, (Tamb –20°C to +55°C)
USA:
Class I Division 1, Groups A, B, C and D.
Canada: Class I Division 1, Groups A, B, C and D T4.
Standards
Safety:
EN50014, EN50020, EN50018, 94/9/EC
USA: UL913
Canada: CSA22.2, 152
Operation EN50270, EN50271, IEC61508
Marine Equipment Directive Tetra can be supplied Wheelmarked compliant
96/98/EC with the Marine Equipment Directive. Contact
Crowcon to obtain a copy of the MED certificate
Specification Tetra