THM500 Series Specifications
8
Handheld and Benchtop Instruments Basic Service
Table 4: General Specifications (Cont.)
565560550
Environmental
Temperature Operating: 0_ to 50_ C (32_ to 122_ F)
Storage: –20_ to +70_ C (–4_ to 158_ F)
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Humidity, Operating 0_ to 40_ C (32_ to 104_ F): Up to 90% relative humidity noncondensing
(60% for 4 and 40 MW measurements)
41_ to 50_ C (106_ to 122_ F): 60% relative humidity noncondensing.
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Altitude Operating:: 2,200 m (7,221 ft)
Storage:: 12,192 m (40,000 ft)
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Random Vibration 5 to 500 Hz, 10 min/axis, operating: 2.66 g
RMS
5 to 500 Hz, 10 min/axis, nonoperating: 3.48 g
RMS
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Sine Vibration Operating: 0.06 inch displacement from 5 to 15 Hz
0.04 inch displacement from 15 to 25 Hz
0.02 inch displacement from 25 to 55 Hz
Test Duration: 10 minutes at the peak resonance condition (33 Hz if no
resonance found).
Test performed on each of three axes.
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Half-sine Shock Operating: 30 g with pulse duration of 11 ms. Three shocks per axis.
Test Duration: 10 minutes at the peak resonance condition (33 Hz if no
resonance found).
Test performed on each of three axes.
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EMC
Emissions EN 55011 radiated, class A
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Immunity IEC 801-2 electrostatic discharge: Up to 8 kV
IEC 801-3 radiated immunity: 3 V/meter, 27 to 500 MHz
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Mechanical
Size 140 mm (5.5 inch) high × 210 mm (8.3 inch) wide × 43 mm (1.7 inch) deep
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Weight 1 kg (2.2 lb) with Alkaline batteries installed
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Tripod Socket 0.25 inch × 20 thread × 6.3 mm (0.25 inch) deep
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Safety
Certifications Listed UL 3111-1 for 600 V CAT II measurements; CSA-C22.2 No 1010.1-92
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Surge Protection Withstands incidental line surges up to 6 kV (comprised of a minimum rise time
of 1.2 ms and a maximum 50 ms duration, minimum of 2 minutes between
pulses).
Maximum volt-hertz product: 50 V⋅MHz.
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Fuse The instrument has no user-replaceable fuses
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General Safety Class 2
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