15-15
15
IM 701830-01E
Specifications
15.24 Strain Module (701880)
Item
Specifications
Number of channels
1
Maximum sample rate
100 kS/s
Input method
DC bridge input method (Auto balancing method), Balanced differential input method, DC
amplifier (floating)
Auto balancing method
Electronic auto balance
Auto balance range
±
10000
×
10
-6
strain
Bridge voltage
Selectable 2V/5V
Bridge resistance
Need to externally connect a strain gauge bridge or strain gauge transducer with a cable.
Recommended bridge head: 700932 (bridge resistance of 120
Ω
) or 700933 (bridge resistance of 350
Ω
)
Applicable bridge resistance
120 to 1000
Ω
(at bridge voltage 2 V), 350 to 1000
Ω
(at bridge voltage 5 V)
Gauge factor
1.90 to 2.20 (in 0.01 steps)
Frequency characteristics*
1
DC to 20 kHz
(–3 dB point when sine wave
of amplitude
±
3 div is input)
Measurement range/accuracy
*1*2
Range
Measurement range (FS)
Accuracy
1000
× 10
–
6
strain
±
1000
× 10
–
6
strain
±
1 % of FS
±
1000
× 10
–
6
strain
2000
× 10
–
6
strain
±
2000
× 10
–
6
strain
±
1 % of FS
±
1000
× 10
–
6
strain
5000
× 10
–
6
strain
±
5000
× 10
–
6
strain
±
1 % of FS
±
1000
× 10
–
6
strain
10000
× 10
–
6
strain
±
10000
× 10
–
6
strain
±
1 % of FS
±
1000
× 10
–
6
strain
20000
×
10
–6
strain
±
20000
×
10
–6
strain
±
1 % of FS
±
1000
× 10
–
6
strain
Maximum input voltage
(across terminals)
(At 1 kHz or less)
5 V (DC+ACpeak)
Maximum allowable common
(across each terminal and earth)
mode voltage
42 V (DC+ACpeak) (CAT I and II, 30 Vrms)
(At 1 kHz or less)
Input connector
NDIS (A connector recommended by JSNDI (The Japanese Society for Non-destructive
Inspection.))
Input resistance
10 M
Ω
or more
Common mode rejection ratio
80 dB(50/60Hz) or more, signal source resistance 1 k
Ω
A/D conversion resolution
14 bit
Temperature coefficient
Zero point
±
5
×
10
–6
strain/
°
C (after input conversion and auto calibration)
Gain
±
(0.05 % of FS)/
°
C (after auto calibration)
Bandwidth limit
Select OFF/10 Hz/100 Hz/1 kHz, -12 dB/Oct
*1 Measured value under standard operating conditions (refer to page 15-6)
*2 Gauge factor 2, accuracy of the strain module only
A
B
C
D
E
F
G
A :
B : Input–(measurement signal–)
C : Bridge–
D : Input+(measurement )
E : Floating common
F : Sense+
G : Sense–
Pin assignments
Top view
The connector shell is connected
to the functional earth.