SK-7720 SK-7722
 
Up to 1000A AC/DC
Conductor dia. : Φ36mm max.
True RMS
Dual measurement and display
(Two electrical elements can be measured together) 
Peak hold and MAX/MIN functions
Dust proof and water resistant
Analog output terminal (SK-7722)

photo:SK-7720

Instruction Manual
General Specifications
 Frequency Characteristic  ACA : 40Hz to 400Hz
 ACV : 40Hz to 400Hz
 Power Supply  9V 6F22 × 1 or AC Adapter (option)
 Dimensions & Weight  200(H) × 64(W) × 33(D)mm,  310g
 Conductor Diameter  Φ 36mm maximum
 Accessories  100-57 Test Lead (x 1), 1007 Carrying Case (x 1)
 Battery (9V 6F22 x 1)
 Optional Accessories

 818 Temperature Probe

  880 Line Separator
 100-41 Test Lead Kit  922 Input Cord for Battery Power 
 100-62 Test Lead Set  930 Output Cord for Recorder (SK-7722)
 940 Alligator Clips  793 Coil-Type Contact Pin
 948 Alligator Clips 　

Measurement Specifications

True RMS

　 Range Accuracy
DCA＋
DCV		 DC Current 400/1000A ±1.5%rdg±3dgt（400.0A)
±1.5%rdg±1dgt（400～600A)
±3.0%rdg±3dgt（601～1000A)
DC Voltage

<SK-7720>
400/650V 

±1.0%rdg±3dgt (400V)

±1.0%rdg±1dgt (650V)
<SK-7722>
40/250V

±1.0%rdg±3dgt (40V)

±1.0%rdg±1dgt (250V)

ACA +
Hz/%/mS		 AC Current 400/1000A 　 50 to 60Hz 40 to 400Hz

400.0A

400 to 600A

601 to 1000A

±1.5%rdg±3dgt
±1.5%rdg±1dgt
±3.0%rdg±3dgt

 ±2.5%rdg±3dgt
±2.5%rdg±1dgt
±4.0%rdg±3dgt
Frequency 10Hz to
4000Hz		 ±0.5%rdg±1dgt
Duty Cycle 0.0% to
99.9%		 ±3.0%rdg±3dgt
Pulse Width 1.0mS to
999.9mS		 ±0.5%rdg±3dgt
ACV +
Hz/%/mS		 AC Voltage <SK-7720>
400/650V		 ±1.0%rdg±3dgt (50Hz to 60Hz)
±1.0%rdg±3dgt5 (40Hz to 400Hz)
<SK-7722>
40/250V
Frequency 10Hz to
4000Hz		 ±0.5%rdg±1dgt
Duty Cycle 0.0% to
99.9%		 ±3.0%rdg±3dgt
Pulse Width 1.0mS to
999.9mS		 ±0.5%rdg±3dgt
Resistance 4k/20kΩ ±1.0%rdg±3dgt (4kΩ)
±1.0%rdg±1dgt (20kΩ)
Temperature
* Optional temperature probe
  is necessary.		 -30°C to
150°C		 ±1.0%rdg±3dgt
Other Functions  Peak Hold, MAX/MIN, Difference, Display Hold,
 Output Terminal (SK-7722)
Copyright 2010 KAISE CORPORATION. ALL right reserved.　　　　　　　　　 │Contact Us│HOME