필수정보

 Model number

 N2780B

 N2781B

 N2782B

 N2783B

 Bandwidth (-3dB)

 DC to 2 MHz

 DC to 10 MHz

 DC to 50 MHz

 DC to 100 MHz

 Risetime

 175 ns or less 

 35 ns or less 

 7 ns or less 

 3.5 ns or less

 Maximum current (continuous) RMS

 500 A

 150 A

 30 A 

 30 A

 Maximum peak current 

(non-continuous)

 700 A peak

 300 A peak

 50 A peak

 50 A peak

 Lowest measurable current 

(at ±3% accuracy at DC, scope set to 1 mV/div and high-resolutionmode on)

 20 mA

 20 mA

 5 mA

 5 mA

 Output voltage rate

 0.01 V/A (100:1)

 0.01 V/A (100:1)

 0.01 V/A (10:1)

 0.01 V/A (10:1)

 Max input voltage**

 600 V CAT II, 300 V CAT III

 600 V CAT II, 300 V CAT III

 300 V CAT I

 300 V CAT I

 Amplitude accuracy* 

(DC and 45 to 66 Hz, rated current)

 ±1.0% rdg. ± 500 mA

 ±1.0% rdg. ± 100 mA

 ±1.0% rdg. ± 10 mA

 ±1.0% rdg. ± 10 mA

 Noise 

(measured with 20 MHz bandwidth limit filter on the scope)

 Equivalent to 25 mArms or less

 Equivalent to 25 mArms or less

 Equivalent to 2.5 mArms or less

 Equivalent to 2.5 mArms or less

 Temperature coefficient for sensitivity (within a range of 0°C to 40 °C or 32 °F to 104 °F)

 ±2% or less

 ±2% or less

 ±2% or less

 ±2% or less

 Effect of external magnetic fields 

(in a DC to 60 Hz, 400 A/m magnetic field)

 Equivalent to a maximum of 800 mA

 Equivalent to a maximum of 150 mA

 Equivalent to a maximum of 20mA

 Equivalent to a maximum of 5 mA

 Maximum rated power

 7.2 VA 

(with rated current)

 5.5 VA 

(with rated current)

 5.6 VA 

(with rated current)

 5.3 VA 

(with rated current)

 Rated supply voltage

 DC ±12 V ±0.5 V

 DC ±12 V ±1 V

 DC ±12 V ±0.5 V

 DC ±12 V ±0.5 V

 Diameter of measurable conductors

 20 mm dia. (0.79” dia.)

 20 mm dia. (0.79” dia.)

 5 mm dia. (0.79” dia.)

 5 mm dia. (0.79” dia.)