|
No. of channels |
2 channels per unit |
|
Input configuration |
Independent unbalanced input for each channel (floating ground) |
|
Input resistance |
1 MΩ ±1% |
|
Input coupling |
AC, DC, GND, CAL, (1/2 F.S.), OFF |
|
Measurement range |
50, 100, 200, 500 mV/F.S.
1, 2, 5, 10, 20, 50, 100, 200 V/F.S. |
|
Input filters |
Line |
1.5 Hz (–3 dB) at –6 dB/oct |
|
Low-pass |
5 Hz, 10 Hz, 50 Hz, 500 Hz, 5 kHz, 50 kHz (–3 dB) at –6 dB/oct |
|
Accuracy (23±3°C) |
±0.25% of F.S. |
|
Temperature coefficients |
Zero point |
0.02% of F.S. /°C |
|
Gain |
0.02% of F.S. /°C |
|
Insulation resistance |
100 MΩ (at 500 V DC) |
|
Isolation voltage |
Between input terminal and casing: 1 minute at 1,000 V AC |
|
Permissible signal source resistance |
Max. 1 kΩ |
|
A/D converter |
Sampling interval |
1 µs |
|
A/D resolution |
12 bits |
|
Common mode rejection ratio |
80 dB (typ) (50/60 Hz, Signal source resistance: max. 500Ω) |
|
Signal/noise ratio |
–46 dB (typ) 200(Vp-p at 50 mV range (with +/– shorted) |
|
Frequency response |
DC coupling |
DC to 200 kHz (+/–3 dB Typ.) |
|
AC coupling |
10 Hz to 200 kHz (+1/–4.5 dB Typ.) |
|
Max permissible input voltage |
Between +/– terminals |
5 V to 200 V range : 200 V DC (DC + AC P-P) |
|
50 mV to 2 V range: 30 V DC (DC + AC P-P) |
|
Between input terminals and GND |
33 V AC rms |
|
Input terminal type |
BNC |