MR8740T_Quick guide_eng_20191016H.pdf - 第126页

120 Specications of the Options Model U8975 4ch Analog Unit Conditions of guaranteed accuracy Specied under the following conditions: installed in a Memory HiCorder and operated at 23°C ±5°C (73°F ±9°F) and 80% RH or l…

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119
Specications of the Options
Storage temperature
and humidity
−20°C to 50°C (−4°F to 122°F)
For −20°C or higher but lower than 40°C (−4°F or higher but lower than 104°F), 80% RH
or less (no condensation)
For 40°C or higher but lower than 45°C (104°F or higher but lower than 113°F), 60% RH or
less (no condensation)
For 45°C to 50°C (113°F to 122°F), 50% RH or less (no condensation)
Dimensions Approx. 106W × 19.8H × 196.5D mm (4.17″W × 0.78″H × 7.74″D)
Mass Approx. 230 g (8.1 oz.)
Effect of radiated
radio-frequency
electromagnetic eld
±5% f.s. (max.) at 3 V/m
Effect of conducted
radio-frequency
electromagnetic eld
±5% f.s. (max.) at 3 V (in the 10 V f.s. range, with 1 V DC inputted)
Standards Safety: EN61010
EMC: EN61326 Class A
Options Model L4940 Connection Cable Set (1.5 m)
Model L4935 Alligator Clip Set (attached to the tips of Model L4940, CAT IV 600 V, CAT III
1000 V)
Model 9243 Grabber Clip (attached to the tips of Model L4940, CAT III 1000 V)
Model L4936 Bus Bar Clip Set (attached to the tips of Model L4940, CAT III 600 V)
Model L4937 Magnetic Adapter Set (attached to the tips of Model L4940, CAT III 1000 V)
Model L4931 Extension Cable Set (to extend the length of Model L4940, 1.5 m)
Model L4932 Test Pin Set (attached to the tips of Model L4940, CAT IV 600 V, CAT III
1000 V)
Model L4934* Small Alligator Clip Set (CAT III 300 V, CAT II 600 V)
*: Model L4932 is required when Model L4934 is used.
5
Specications
120
Specications of the Options
Model U8975 4ch Analog Unit
Conditions of guaranteed accuracy
Specied under the following conditions: installed in a Memory HiCorder and operated at 23°C ±5°C (73°F ±9°F) and
80% RH or less after a half-hour (at least) warm-up and execution of zero-adjustment.
Operating
environment
Indoors, Pollution Degree 2, Operating altitude: up to 2000 m (6562 ft.)
Operating
temperature and
humidity
0°C to 40°C (32°F to 104°F), 80% RH or less (no condensation)
Storage temperature
and humidity
−10°C to 50°C (14°F to 122°F)
For −10°C or higher but lower than 40°C (14°F or higher but lower than 104°F), 80% RH
or less (no condensation)
For 40°C or higher but lower than 45°C (104°F or higher but lower than 113°F), 60% RH or
less (no condensation)
For 45°C to 50°C (113°F to 122°F), 50% RH or less (no condensation)
Standards Safety: EN61010
EMC: EN61326 Class A
Dimensions Approx. 106W × 19.8H × 196.5D mm (4.17″W × 0.78″H × 7.74″D)
Mass Approx. 250 g (8.8 oz.)
Product warranty
period
3 years
Measurement range 4, 10, 20, 40, 100, 200 V f.s.
Maximum input
voltage
200 V DC
Maximum rated
voltage to earth
300 V AC, DC, Measurement category II (between each input channel and the enclosure,
between any two of input channels)
Anticipated transient overvoltage: 2500 V
Measurement
terminal
Insulated BNC terminal
Number of channels 4 channels
Frequency
characteristics
DC to 2 MHz, −3 dB
Noise 5 mV p-p (typ., 10 mV p-p (max.) (with the highest sensitivity range with input terminals
connected with each other)
Input type Unbalanced input (oating)
Input coupling DC/GND
Input resistance 1 M
Ω
±1%
Input capacitance 30 pF ±10 pF (at 100 kHz)
A/D resolution 16 bits (± f.s. = ±32000 data points)
Maximum sampling
rate
5 MS/s
Guaranteed accuracy
period
1 year
Guaranteed
accuracy period after
adjustment made by
Hioki
1 year
Measurement
accuracy
±0.1% f.s. (with the lter set at 5 Hz)
121
Specications of the Options
Temperature
characteristics
±0.02% f.s./°C
Effect of radiated
radio-frequency
electromagnetic eld
±5% f.s. (max.) at 3 V/m (with the lter set at 5 Hz)
Effect of conducted
radio-frequency
electromagnetic eld
±5% f.s. (max.) at 3 V (in the 10 V f.s. range, with the lter set at 5 Hz and 1 V DC
inputted)
Common-mode
rejection ratio
80 dB or more (at 50 Hz / 60 Hz, a signal source resistance of 100
Ω
)
Low-pass lter Off, 5 ±50%, 500 ±50%, 5 k ±50%, 200 k ±50% (Hz); −3 dB
5
Specications