MR8740T_Quick guide_eng_20191016H.pdf - 第113页
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 af…
106
Specications of the Options
Effect of radiated
radio-frequency
electromagnetic eld
±15% f.s. (max.) at 3 V/m
Effect of conducted
radio-frequency
electromagnetic eld
±20% f.s. (max.) at 3 V (in the 2 V f.s. range, with 1 V DC applied)
Standards Safety: EN61010
EMC: EN61326 Class A
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