Hioki MR8740, Инструкция по эксплуатации

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17.1 General Specifications
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pecifications
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17
Basic Specifications
Specifications
Chapter 17
17.1 General Specifications
Measurement functions • Memory Function (high-speed data saving)
• Recorder Function (real time recording)
• FFT Function (frequency analysis)
No. of channels MR8740: Block I 32 analog ch 8 logic channels, or
analog 29 ch logic 56 channels at a maximum
Block II 22 analog ch 8 logic channels, or
analog 19 ch logic 56 channels at a maximum
(using the included logic probe input connector, ground is common with
the GND terminal)
MR8741: 16 analog ch 16 logic channels, or
analog 10 ch logic 64 channels at a maximum
(using the included logic probe input connector, ground is common with
the GND terminal)
Memory capacity 16MW /channel
Maximum sampling rate 20 MS / s (All channels simultaneously)
Timebase accuracy ± 0.01% (Relative error between grid and time)
Clock functions Auto calendar, auto leap year judgment, 24-hour timer
Accuracy: ±100 ppm (within the operating temperature range) Reference value: ± 10 ppm (25°C)
Backup battery life Approx. Ten years for clock and settings (@25°C, 77°F)
Operating environment Indoors, Pollution degree 2, up to 2000 m (6562-ft.) ASL
Operating temperature and
humidity 0 to 40°C (32 to 104°F), 20 to 80%RH (non-condensation)
Storage temperature and
humidity -10 to 50°C (14 to 122°F), 90%RH or less (non-condensation)
Temperature and humidity
range for guaranteed
accuracy 23 ± 5°C (73.4 ± 9.0°F), 20 to 80%RH (non-condensation)
Period of guaranteed accuracy 1 year
Product warranty period
3
year
Isolation resistance and
withstand voltage Between chassis and power line :1.69 kV AC for 1 min at least 50 M
Ω
at 500 V DC (MR8740)
1.69 kV AC for 1 min at least 20 M Ω at 500 V DC (MR8741)
Between input module and chassis: 3 kV AC for 1 min at least 100 M Ω at 500 V DC
Power source Rated power supply voltage: 100 to 240 VAC (continuous input) (Voltage fluctuations of ±10%
from the rated supply voltage are taken into account.)
Rated power supply frequency: 50 Hz/60 Hz
Overvoltage category II (anticipated transient overvoltage 2500 V)
Maximum rated power MR8740: 250 VA max.
MR8741: 120 VA max.
Dimensions MR8740: Approx. 426W × 177H × 505D mm (sans protrusions)
(Approx. 16.77"W × 6.97"H × 19.88"D)
MR8741: Approx. 350W × 160H × 320D mm (sans protrusions)
(Approx. 13.78"W × 6.30"H × 12.60"D)
Approx. 350W × 175H × 320D mm (within protrusions)
(Approx. 13.78"W × 6.89"H × 12.60"D)
Mass MR8740: Approx. 10.8 kg (Approx. 381.0 oz.) (Instrument)
MR8741: Approx. 5.4 kg (Approx. 190.5 oz.) (Instrument)
Applicable standards Safety EN61010
EMC EN61326 Class A, EN61000-3-2, EN61000-3-3