SK-7660 SK-7661
   
Up to 400A AC/DC
Conductor dia. : Φ27mm max.
Automatic zero adjustment in DCA range
Rubber-molded rotary switch and trigger
Fixable test lead on the side of body
True RMS,  Peak hold function (SK-7660)
MAX/MIN measurement (SK-7661)

photo:SK-7660

Product Catalog

Instruction Manual
General Specifications
 Frequency Characteristic  ACA : 40Hz to 400Hz
 ACV : 40Hz to 400Hz
 Safety Standards  IEC-61010-1 (CAT III 300V CAT II 600V, EMC Test Passed)
 Power Supply  1.5V R03 or AAA Batteries  ×  2
 Dimensions & Weight  170(H) × 58(W) × 27(D)mm,  160g
 Conductor Diameter  Φ 27mm maximum
 Accessories

 100-63 Test Lead (x 1), 1015 Carrying Case, Batteries (1.5V R03 x 2), 
 Instruction Manual
 Optional Accessories

 880 Line Separator

  940 Alligator Clips
 793 Coil-Type Contact Pin  948 Alligator Clips

Measurement Specifications   

SK-7660 : True RMS
SK-7661 : Average Rectification

　 Range Accuracy
DCA/ACA
Hz		 DC Current 40A  ±1.5%rdg±3dgt
400A 40 to 200A / ±1.5%rdg±5dgt
201 to 300A / ±3.0%rdg±3dgt
301 to 400A / ±4.0%rdg±3dgt
AC Current 40A ±1.5%rdg±2dgt (50/60Hz)
400A 40 to 200A / ±2.0%rdg±3dgt 50/60Hz)
201 to 300A / ±4.0%rdg±5dgt 50/60Hz)
301 to 400A / ±5.0%rdg±5dgt 50/60Hz)
Frequency 5Hz to 1kHz ±0.2%rdg±2dgt 
Peak Current
* SK-7660 only		 400A ±5.0%rdg±5dgt 
DCV/ACV
Hz/%		 DC Voltage 400mV ±1.0%rdg±3dgt 
4/40/400/600V ±1.0%rdg±2dgt 
AC Voltage 4/40/400/600V ±1.5%rdg±5dgt (40 to 400Hz)
Frequency 5Hz to 49.99kHz ±0.2%rdg±2dgt 
Duty Cycle 5% to 95% ±1.0%rdg±3dgt 
Resistance 400Ω ±1.5%rdg±5dgt 
4k/40k/400kΩ ±0.7%rdg±3dgt 
4MΩ ±1.2%rdg±5dgt 
40MΩ ±3.0%rdg±5dgt 

Other Functions

 Continuity, Diode Test, Capacitance, Peak Hold (SK-7660), 
 MAX/MIN (SK-7661), Difference, Power-on Initialize, Display Hold,
 Auto Power Off
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