Ion Science MVI - Manual (Page 8)

MVI MANUAL Ion Science Ltd
Page 8 of 23
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Specification
Function Surveying atmospheres for Mercury (Hg) concentrations below and
above the accepted exposure limit
Detector
Dual beam Ultra-Violet absorption module
Measuring Ranges
0.1-199.9 and 1.0-1999 µg/m
3
(user controlled)
Sensitivity
0.1 µg/m
3
and 1.0 µg/m
3
Accuracy
± 5 micrograms or ± 10% of reading
Repeatability
± 5% FSD
Response Time
Approximately 3 seconds
Temperature Range
+10°C to +50°C
Battery Type
15 Volt NiMH rechargeable
Battery Life
Greater than 6 hours after full charge
Dimensions
145 x 295 x 80 mm (120 mm with handle)
Weight
5 lb 3 oz (2.35 kg)
Linearity
Higher than 5% from 0 to 500 µg/m
3
Zero Drift
Less than 5 µg/hour
Alarms
Audible alarm factory preset to 20 µg/m
3
Datalogger
0-2 volt for use with a datalogger (not supplied)
Operation
After a short warm up the MVI gives real time indication of Mercury
vapour levels through the PTFE probe