MR8740T_Quick guide_eng_20191016H.pdf - 第114页
108 Specications of the Options Effect of radiated radio-frequency electromagnetic eld ±10% f.s. (max.) at 3 V/m (with the lter set at 5 Hz) Effect of conducted radio-frequency electromagnetic eld ±10% f.s. (max.) at…
107
Specications of the Options
Model U8969 Strain Unit
Conditions of guaranteed accuracy
Specied 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 the auto-balance.
Operating
environment
Indoors, Pollution Degree 2, Operating altitude: up to 2000 m (6562 ft.)
Operating
temperature and
humidity
−10°C to 40°C (14°F to 104°F), 80% RH or less (no condensation)
Storage temperature
and humidity
−20°C to 50°C (−4°F to 122°F), 90% RH or less (no condensation)
Standards Safety: EN 61010
EMC: EN 61326 Class A
Dimensions Approx. 106W × 19.8H × 196.5D mm (4.17″W × 0.78″H × 7.74″D)
Mass Approx. 245 g (8.6 oz.)
Product warranty
period
3 years
Guaranteed accuracy
period
1 year
Guaranteed
accuracy period after
adjustment made by
Hioki
1 year
Accessories Model L9769 Conversion Cable ×2
(Compatible connector: NDIS connector PRC03-12A10-7M10.5)
Number of input
channels
2 channels
Input terminals NDIS connector EPRC07-R9FNDIS
Measuring object Strain gauge transducer
Gauge ratio 2.0
Bridge voltage 2 V ±0.05 V
Bridge resistor 120
Ω
to 1 k
Ω
Balance adjustment
range
±10000 µ
ε
or lower
Balancing method Electronic auto-balancing
Measurement range 400, 1000, 2000, 4000, 10000, 20000 µ
ε
f.s.
Frequency
characteristics
DC to 20 kHz, +1/−3 dB
A/D resolution 16 bits (± f.s. = ±25000 data points)
Maximum sampling
rate
200 kS/s
Maximum rated
voltage to earth
30 V rms AC or 60 V DC
(between each input channel and enclosure, between any two of input channels)
Anticipated transient overvoltage: 330 V
Measurement
accuracy
±0.5% f.s. ±4 µ
ε
(with the lter set at 5 Hz)
Temperature
characteristics
Gain: ±0.05% f.s./°C
Zero-position: ±2.5 µ
ε
/°C
5
Specications
108
Specications of the Options
Effect of radiated
radio-frequency
electromagnetic eld
±10% f.s. (max.) at 3 V/m (with the lter set at 5 Hz)
Effect of conducted
radio-frequency
electromagnetic eld
±10% f.s. (max.) at 3 V (with the lter set at 5 Hz)
Low-pass lter Off, 5 ±30%, 10 ±30%, 100 ±30%, 1 k ±30% (Hz); −3 dB
109
Specications of the Options
Model 8970 Freq Unit
Conditions of guaranteed accuracy
Specied under the following conditions: installed in a Memory HiCorder and operated at 23°C±5°C (73°F±9°F) in the
humidity range of 20% to 80% RH after a half-hour (at least) warm-up.
Product warranty
period
3 years
Guaranteed accuracy
period
1 year
Measurement
functions
The following types of measurement based on voltage input: frequency, rotation speed,
power frequency, count, pulse duty ratio, and pulse width
Input terminals Insulated BNC terminal
Input resistance 1 M
Ω
±1%
Input capacitance 30 pF ±10 pF
Maximum input
voltage
400 V DC
Maximum rated
voltage to earth
300 V AC, DC (Measurement category II)
Anticipated transient overvoltage: 2500 V
(between each input channel and the enclosure, between any two of input channels)
Input type Unbalanced input (oating)
Frequency mode
Measurement range: 20, 100, 200 Hz, 1, 2, 10, 20, 100 kHz f.s.
Measurement accuracy: ±0.1% f.s. (except for the 100 kHz range)
±0.7% f.s. (the 100 kHz range)
Measurable range: DC to 100 kHz (minimum pulse width: 2 µs)
Rotation speed mode
Measurement range: 2 k, 10 k, 20 k, 100 k, 200 k, 1 M, 2 Mr/min f.s.
Measurement accuracy: ±0.1% f.s. (except for the 2 Mr/min range)
±0.7% f.s. (the 2 Mr/min range)
Measurable range: 0 Mr/min to 2 Mr/min (minimum pulse width: 2 μs)
Power frequency
mode
Measurement range: 50 Hz (40 Hz to 60 Hz), 60 Hz (50 Hz to 70 Hz), 400 Hz (390 Hz
to 410 Hz)
Measurement accuracy: ±0.03 Hz (50 Hz, 60 Hz), ±0.1 Hz (400 Hz)
Accumulation mode
Measurement range: 40 k, 200 k, 400 k, 2 M, 4 M, 20 M counts f.s.
Measurement accuracy: 0.0025% f.s.
Measurable range: DC to 100 kHz (minimum pulse width: 2 µs)
Duty ratio mode
Measurement range: 100% f.s.
Measurement accuracy: ±1% (10 Hz to 10 kHz)
±4% (10 kHz to 100 kHz)
Measurable range: 10 Hz to 100 kHz (minimum pulse width: 2 µs)
Pulse width mode
Measurement range: 10 ms, 20 ms, 100 ms, 200 ms, 1 s, 2 s f.s.
Measurement accuracy: ±0.1% f.s.
Measurable range: 2 µs to 2 s
Measurement
resolution
0.0025% f.s. (accumulation mode)
0.01% f.s. (except for accumulation mode or power frequency mode)
0.01 Hz (power frequency mode)
Response time Within the sum of 40 µs and the sampling interval of the instrument in which the module is
installed
Input voltage range ±10 V, ±20 V, ±50 V, ±100 V, ±200 V, ±400 V
5
Specications