YOKOGAWA ScopeCorder DL750, User Manual

Page: 319 / 406

19-31
IM 701210-06E
Specifications
19
Strain Module (NDIS) (701270) Specifications
Item Specifications
Standard operating Temperature: 23
°
C
±
5
°
C
conditions Humidity: 55%
±
10% RH
After a 30-minute warm-up and after calibration and auto balance
Effective measurement –FS to +FS (set using upper and lower limits)
range
Number of input channels 2
Maximum sample rate 100 kS/s
Input format DC bridge (auto balancing), balanced differential input, and isolated
Auto balance type Electronic auto balance
Auto balance range
±
10000
µ
STR (1 gauge method)
Bridge voltage Select from 2 V, 5 V, and 10 V.
Gauge resistance 120
Ω
to 1000
Ω
(bridge voltage: 2 V)
350
Ω
to 1000
Ω
(bridge voltage: 2 V, 5 V, and 10 V)
Gauge factor 1.90 to 2.20 (set in 0.01 steps)
Frequency characteristics
1
(–3 dB point when a sine wave of amplitude
±
3 divisions is input) DC to 20 kHz
mV/V range support Supports the strain gauge transducer unit system.
mV/V range = 0.5
×
(
µ
STR range/1000)
Measurement range (FS) and measurement range
When using STR range
Measurement Range (FS) Measurement Range
500
µ
STR –500
µ
STR to +500
µ
STR
1000
µ
STR –1000
µ
STR to +1000
µ
STR
2000
µ
STR –2000
µ
STR to +2000
µ
STR
5000
µ
STR –5000
µ
STR to +5000
µ
STR
10000
µ
STR –10000
µ
STR to +10000
µ
STR
20000
µ
STR –20000
µ
STR to +20000
µ
STR
When using mV/V range
Measurement Range (FS) Measurement Range
0.25 mv/V –0.25 mV/V to +0.25 mV/V
0.5 mV/V –0.5 mV/V to +0.5 mV/V
1 mV/V –1 mV/V to +1 mV/V
2.5 mV/V –2.5 mV/V to +2.5 mV/V
5 mV/V –5 mV/V to +5 mV/V
10 mV/V –10 mV/V to +10 mV/V
DC accuracy
1 ±
(0.5% of FS+5
µ
STR)
Maximum input voltage Between Input+ and Input– 10 V (DC+ACpeak)
(At 1 kHz or less)
Maximum allowable Between each terminal and earth ground
common mode voltage 42 V (DC+ACpeak) (CAT I and CAT II, 30 Vrms)
(At 1 kHz or less)
Input connector NDIS connector (Recommended by JSNDI (The Japanese Society for Non-destructive Inspection)
Common mode rejection 80 dB (50/60 Hz) or more (typical
2
)
ratio
A/D conversion resolution 16 bit (4800 LSB/div: Upper = +FS, Lower = –FS)
Temperature coefficient Zero point:
±
5
µ
STR/
°
C (typical
2
)
Gain:
±
(0.02% of FS)/
°
C (typical
2
)
Bandwidth limit Select from OFF, 1 kHz, 100 Hz, and 10 Hz
Cutoff characteristics:
–12 dB/OCT (typical
2
)
Function mV/V support. Supports the strain gauge transducer unit system.
Standard accessories NDIS connector (for external connection: PRC03-12A10-7M10.5 by Tajimi) A1002JC: 2 pieces
Compatible accessories (sold separately)
Recommended bridge head 701955
(NDIS 120
Ω
, enhanced shield version, comes with a 5-m cable)
Recommended bridge head 701956
(NDIS 350
Ω
, enhanced shield version, comes with a 5-m cable)
19.12 Module Specifications