Vaisala HMP228 Betriebsanweisung PDF herunterladen (Seite 67)

Chapter 7 ______________________________________________ TECHNICAL SPECIFICATIONS

Accuracy 0.2 % full scale

Temperature dependence 0.002 %/ C full scale

Minimum load resistor 10 kohm to ground

Data interface RS232C (EIA-232)

Data logging capacity 900...2700 real time data points

Logging interval 1 s to 12 h

Logging duration 1 min...memory full

Alarm Audible alarm function

Housing classification IP54

Weight 400 g

Housing material ABS/PC-blend

Battery Pack

continuous use 48 h typical at +20 C (68 F) Operating times in

data logging use up to 30 days

Power consumption during charge 10 W max

Charging time 4 h

General Facts about the MM70

Hand-held Humidity and

Temperature Meter

Storage temperature -40...+70 C

Storage humidity range 0...100% Non-condensing

Electromagnetic Compatibility

Complies with the following standard: EN 61326-1:1997+Am 1:1998,

Electrical equipment for measurement, control and laboratory use -

EMC requirements: Portable test and measurement equipment.

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Vaisala HMP228 Betriebsanweisung Seite 67