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4.2.22 Indication of Phase Order
Frequency range
Acceptable voltage range
Acquisition duration period
Validity duration period
Acquisition duration measurement period
and phase order display
Acceptable phase unbalance
Acceptable amplitude unbalance
Acceptable level of harmonics in voltage
4.3
ENVIRONMENTAL CONDITIONS
Conditions
Temperature
≤90% up to 131°F (55°C)
Relative humidity (RH):
4.4
MECHANICAL SPECIFICATIONS
Rigid polycarbonate shell with over-molded elastomer
Housing:
covering;
UL94 V1
Polycarbonate
Jaws:
Opening: 1.9" (48mm)
Clamping diameter: 1.9" (48mm)
LCD display unit
Screen:
Blue backlighting
Dimension: 1.6 x 1.9" (41 x 48mm)
Dimension:
10.7 x 3.6 x 1.6" (272 x 92 x 41mm)
Weight:
1.32 lbs (600g) with the batteries
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47 to 400Hz
50 to 1000V
≤500ms
approximately 10s at 50Hz
approximately 2s at 400Hz
≤500ms
±10
20%
10%
Operating
-4° to +131°F
-40° to +158°F
(-20° to +55°C)
(-40° to +70°C)
≤90% up to 158°F (70°C)
46
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Storage
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