
10.12 General Specifications
266
10.12General Specifications
Operating temperature
and humidity
0 to 40°C (32 to 104°F), 80% RH or less (non-condensating)
Storage temperature
and humidity
-10 to 50°C (14 to 122°F), 80% RH or less (non-condensating)
Operating temperature
and humidity for
guaranteed accuracy
Approx. 23°C (Approx. 73°F), 80% RH or less (non-condensating)
Period of guaranteed
accuracy
1 year
Operating Environment
Indoors, altitude up to 2000 m (6562-ft.)
Power source for main
instrument
Rated power source voltage : 100, 120, 220, 240 VAC (default setting)
(Voltage fluctuations of ±10% from the rated supply voltage are taken into
account.)
Rated power source frequency : 50/60 Hz
Rated power : 30 VA
Line power supply and
outlet for equipment
under test
Rated power supply voltage : 100 to 250 VAC
(Voltage fluctuations of ±10% from the rated supply voltage are taken into
account.)
Rated power supply frequency : 50/60 Hz
Rated current
Input : 20 A (terminal block), Output : 20 A (terminal block)
Rated power : 250 V
Time of continuous
operation
At maximum load: 30 min
Power output
Maximum allowable
leakage current
50 mA
Withstand voltage
• [All power supply terminals] - [Protective earthing]
1.62 kVAC, 60 sec. Cut-off current 5 mA
• [All measurement terminals] - [All power supply terminals]
3.00 kVAC, 60 sec. Cut-off current 10 mA
• [All measurement terminals] - [Control circuit]
3.00 kVAC, 60 sec. Cut-off current 10 mA
Measurement terminals
Terminals T1, T2
: Rated voltage 50 V, rated current 50 mA,
earth voltage 250 V
Terminal T3
: Maximum output voltage 250 VAC
Fuses
Only (b) can be
replaced
(a)Power supply section 250 V T200mAL
(b)Measurement terminal section(T2 terminal)250 V F50mAL
(c)Measurement terminal section (relay PCB)250V F50mAL
Size
Approx. 320W x 110H x 253D mm (12.60”W x 4.33”H x 9.96”D)
(excluding protruding sections)
Weight
Approx. 4.5 kg (158.7 oz.)
*
only ST5540
Summary of Contents for ST5540
Page 2: ......
Page 6: ...Contents iv Index i ...
Page 29: ...23 2 Chapter 2 Instrument Labels and Screens Instrument Labels and Screens Chapter 2 ...
Page 80: ...4 8 Changing the Measurement Method Auto Manual 74 ...
Page 121: ...115 8 9 7 Chapter 7 Instrument System Settings Instrument System Settings Chapter 7 ...
Page 144: ...7 14 Setting the Backlight 138 ...
Page 284: ...10 14 Measurement Networks 278 ...
Page 290: ...11 4 Instrument Disposal 284 ...
Page 320: ...Appendix4 External Dimensions A30 ...
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