3M QUESTEMP 36 Manuale dell'operatore - Pagina 11

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3M QUESTEMP 36 Manuale dell'operatore
Remote Sensor Bars:
2 x 15pin D-sub jacks are located on the side of the unit for plugging in 1 or
2 additional sensor bars by using remote cables up to 200 feet (61m). The
top sensor bar can also be remote with a cable.
Power Options:
9V alkaline, 7.2V NiMH rechargeable pack (charged in the unit), or AC
adapter wall power cube (AC adaptor will operate the unit or recharge the
NiMH battery pack)
Battery Life:
9V alkaline: 140 hours
Rechargeable Nickel Metal Hydride: 300 hours
(Adding additional sensor bars to the QUESTemp°36 reduces battery life.)
Charge Time (NiMH Battery Pack):
16 hours (charge in the unit)
Safety Approvals:
ETL, cETL: Class I,II,III Groups A,B,C,D,E,F,G, Temperature code T3
DEMKO: EEX ia IIC, T3
CE mark
AIR PROBE ACCESSORY
Range:
0 - 20 meters per second. 0.1m/s increments
Sensor:
Omni directional heated thermistor
Accuracy:
+/- (0.1 m/s + 4%) of measurement value
Battery Life:
6 - 8 hours for fully charged NiMH battery
Charge Time:
9 hours

16. APPENDIX A : HEAT EXPOSURE TABLES

ACGIH

Screening Criteria for Heat Stress Exposure. WBGT values in °C (°F).
Work
Demands
100% Work
75% Work;
25% Rest
50% Work;
50% Rest
25% Work;
75% Rest
Work
Demands
100% Work
75% Work;
25% Rest
50% Work;
50% Rest
25% Work;
75% Rest
from "American Conference of Governmental Industrial Hygienists - Threshold
Limit Values and Biological Exposure Indices for 2001"
Reprinted with permission from ACGIH
21
22
Acclimatized
Light
Moderate
Heavy
29.5
27.5
26.0
(85.1)
(81.5)
(78.8)
30.5
28.5
27.5
(86.9)
(83.3)
(81.5)
31.5
29.5
28.5
(88.7)
(85.1)
(83.3)
32.5
31.0
30.0
(90.5)
(87.8)
(86.0)
Unacclimatized
Light
Moderate
Heavy
27.5
25.0
22.5
(81.5)
(77.0)
(72.5)
29.0
26.5
24.5
(84.2)
(79.7)
(76.1)
30.0
28.0
26.5
(86.0)
(82.4)
(79.7)
31.0
29.0
28.0
(87.8)
(84.2)
(82.4)
Very
Heavy
27.5
(81.5)
29.5
(85.1)
Very
Heavy
25.0
(77.0)
26.5
(79.7)