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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
7355 New
Low-priced cost-effective 5½-digit DMM equipped with variable integration function
GPIB(Option)
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 デジタル・マルチメータ

7481/7482
High-resolution 8½-digit DMM for system calibration
LAN(Option)

Accessory

1116
DC high-voltage probe

Selection Guide

5½-digit and 6½-digit DMM 7351A 7351E 7351E+03 7355 
Maximum display 199999  1999999
Measurement speed (readings/s) 140 max 250 max 
Variable integration N/A  ✓
DC voltage measurement 1 μV to 1000 V 100 nV to 1000 V 
Accuracy (typical value) 0.011 %/year  0.011 %/year
DC current measurement 1 μA to 10A 100 nA to 10 A  
Resistance measurement 1 mΩ to 200 MΩ 100 μΩ to 200 MΩ 
4-wire resistance measurement N/A  ✓ 
AC voltage measurement (True RMS) 1 μV to 700 V 100 nV to 700 V 
AC voltage frequency range 20 Hz to 100 kHz  20 Hz to 100 kHz 
AC current measurement (True RMS) 1 μA to 10 A  100 nA to 10 A
Calculation function ✓  ✓
Rear input N/A N/A 
Temperature measurement N/A Pt100 (-200℃ to +850℃)
/JPt100  
Interface USB, GPIB USB USB, RS232

 USB/LAN (standard)

GPIB/RS232 (option)
Comparator output N/A ✓ ✓
Selectable
(option)
Digital input N/A
Data memory N/A 20000  
5½-digit and 6½-digit 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-digit 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  
8½-digit DMM 7481 7482  
Maximum display 119999999 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 100 nV to 700 V  
AC voltage frequency range N/A 10 Hz to 2 MHz  
AC current measurement (True RMS) N/A 100 pA to 1000 mA  
Calculation function ✓ ✓  
Temperature measurement ✓ ✓  
Interface USB, GPIB, optional LAN  
Data memory 50000  
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