Attenuation	1:10	1:100
Input voltage	±70V DC	±700V DC
Max. differential	50V rms Cat III ±700V DC	500V rms Cat III ±2400V DC
Input impedance	4 MOhm / 5.5 pF
Rise time	14 ns
Bandwidth	25 MHz (-3 dB)
Presnost	±2%
Output	±7V (min. 2kOhm load)
Power supply	4x AA cells or 6V/60 mA DC adaptor

Attenuation	1:20	1:200
Input voltage	±140V DC	±1400V DC
Input impedance	4 MOhm / 5.5 pF
Rise time	14 ns
Bandwidth	25 MHz (-3 dB)
Accuracy	±2%
Output voltage	±7V (min. 2kOhm load)
Power supply	4x AA cells or 9V/40 mA DC adaptor

Attenuation	1:100	1:1000
Input voltage	±140V DC	±1400V DC
Input impedance	4 MOhm / 7 pF
Rise time	3.5 ns
Bandwidth	100 MHz (-3 dB)
Accuracy	±2%
Power supply	4x AA cells

Attenuation	1:10	1:100
Input voltage	±70V DC	±700V DC
Input impedance	4 MOhm / 7 pF
Bandwidth	100 MHz (-3 dB)
Accuracy	±2%
Power supply	4x AA cells

Attenuation	1:100	1:1000
Input voltage	±700V DC	±7000V DC
Input impedance	10 MOhm / 10 pF
Bandwidth	70 MHz (-3 dB)
Accuracy	±2%
Power supply	4x AA cells