Iwatsu SS-281A, Instruction Manual

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Chapter 5 Specifications
25
Chapter 5 Specifications
5.1 Specifications
Basic specifications
SS-
281A
(-H)
SS-
282A
(-H)
SS-
283A
(-H)
SS-
284A
(-H)
SS-
285A
(-H)
SS-
286A
(-H)
SS-
287A
(-H)
SS-
288A
(-H)
SS-
289A
(-H)
Sensitivity [mV/A] 200 100 50 20 10 5 2 1 0.5
Peak current [A] 30 60 120 300 600 1.2 k 3.0 k 6.0 k 12 k
Peak di/dt [kA/
μs]
2 4 8 20 40
SS-280A:80
SS-280A-H:40
Absolute maximum di/dt
Peak [kA/μs]
80 80 80 80 80
SS-280A:80
SS-280A-H:40
RMS [kA/μs]
1 1 1.5 1.5 1.5 2 2 2 2
Frequency bandwidth
f
L
to 30MHz [-3dB], f
L
：
Low frequency cutoff
Low frequency cutoff
[Hz]
110 65 32 9 6 3 2 2 2
Noise [mV rms] 3.5 2.5 2.0 1.8 1.8 1.8 1.4 1.4 1.4
Sensitivity accuracy
±2%
At the center of the coil loop with sensor part
temperature of −10

C to +70

C
* Add an error of ±250 ppm/

C when the temperature is −10

C or less or
+70

C or more.
Output
Maximum voltage range: ±6 V (load ≧
100 kΩ)
* Output becomes ±2V and sensitivity becomes about the half for
50Ω load.
Connector BNC
Linearity ±0.05 % of full scale
Zero point
adjustment range
±300 mV or more
Sensor
Coil length 84 mm ± 4 mm
Wire rod diameter
at coil part 1.7 mm (Max)
Maximum rating
voltage between
ground 1.2 kV peak
Sensor providing basic insulation for max. working voltage of 1200
Vpk and max. transient overvoltages of 2500 Vpk as well as
reinforced insulation for max. working voltage of 1200 Vpk and max.
transient overvoltages of 1500 Vpk.
Sensor cable length 1.5 m ± 50 mm
Operating
temperature and
humidity range
SS-280A: -40
℃
to +125
℃,
below the moisture amount of
80 %RH
,
no dew condensation (including sensor cable)
SS-280A-H: -40
℃
to +150
℃,
below the moisture amount of
80 %RH
,
no dew condensation (including sensor cable)