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Digital Multimeters

5½-digit and 6½-digit digital multimeters

7351A/7351E/7351E+03
Low-price 5½-digit DMM series for general-purpose applications

7461A/7461P/7451A
High-peformance and low-price DMM series with new functions
6½-digit DMM 7461A, 6½-digit DMM capable of temperature measurement 7461P and 5½-digit DMM 7451A


2-channel 5½-digit digital multimeters

7352A/7352E
5½-digit DMM with twin A/D converters, capable of two-channel synchronous measurement

8½-digit digital multimeter

7481
High-resolution 8½-digit DMM for system calibration


Accessory

1116
DC high-voltage probe


Selection Guide

5½桁、6½桁DMM 7351A 7351E 7351E+03
Maximum display 199999
Measurement speed (readings/s) 140 max
Variable integration N/A
DC voltage measurement 1 μV to 1000 V
Accuracy (typical value) 0.011 %/year
DC current measurement 1 μA to 10A
Resistance measurement 1 mΩ to 200 MΩ
4-wire resistance measurement N/A
AC voltage measurement (True RMS) 1 μV to 700 V
AC voltage frequency range 20 Hz to 100 kHz 
AC current measurement (True RMS) 1 μA to 10 A
Calculation function
Rear input N/A
Temperature measurement N/A
Interface USB, GPIB USB USB, RS232
Comparator output N/A
Digital input N/A
Data memory N/A
5½桁、6½桁DMM 7451A 7461A 7461P
Maximum display 319999  1199999
Measurement speed (readings/s) 5000 max 20000 max
Variable integration
DC voltage measurement 1 μV to 1000 V 100 nV to 1000 V
Accuracy (typical value) 0.01%/year 0.0035%/year
DC current measurement 10 nA to 3 A 1 nA to 3 A
Resistance measurement 100 μΩ to 300 MΩ 100 μΩ to 100 MΩ
4-wire resistance measurement
AC voltage measurement (True RMS)  1 μV to 700 V 100 nV to 700 V 
AC voltage frequency range 20 Hz to 100 kHz
AC current measurement (True RMS) 10 nA to 3 A 1 nA to 3 A
Calculation function
Rear input
Temperature measurement N/A Pt100 (-200℃~+850℃)/JPt100
Interface  USB, GPIB 
Comparator output
Selectable
Digital input N/A
Data memory 10000 20000
2ch 5½桁DMM 7352A/7352E  
Ach Bch  
Maximum display 199999  
Measurement speed (readings/s) 140 max  
DC voltage measurement 1 μV to 1000 V 1 μV to 200 V  
Accuracy (typical value) 0.011 %/year  
DC current measurement 10 pA to 2A 100 μA to 10 A  
Resistance measurement 1 mΩ to 200 MΩ N/A  
AC voltage measurement (True RMS) 1 μV to 700 V N/A  
AC voltage frequency range 20 Hz to 100 kHz  N/A  
AC current measurement (True RMS) 1 nA to 2 A 100 μA to 10 A  
Calculation function  
Rear input temperature measurement K(CA) -50℃ to 1370℃, T(CC) -50℃ to 400℃  
 Interface 7352A: USB, GPIB, RS232 / 7352E: USB  
External trigger signal 7352A: ✓ / 7352E: N/A  
7½桁、8½桁DMM 7481    
Maximum display 119999999    
Variable integration    
DC voltage measurement  10 nV to 1000 V    
Accuracy (typical value) 5 ppm/year     
DC current measurement  100 fA to 1 A    
Resistance measurement 1 μΩ to 1000 MΩ    
AC voltage measurement (True RMS) N/A    
AC voltage frequency range N/A    
AC current measurement (True RMS) N/A    
Calculation function    
Temperature measurement    
Interface USB, GPIB    
Data memory 50000