Digital Multimeter/CD751/CD731/CD721

(CD751 only)



Dot 3-3/4 digits 3 200 count
Dot AC + DC True RMS (CD751 only)
Dot Wide current measurement function
Dot Automatic/manual measurement with the current range
Dot Auto Power Save (CD751), Auto Power Off (CD731/CD721)
Dot W52 x H26.5mm Large LCD
Dot Safety cover for the terminal for large current to avoid miss-insertion
Dot Holster (for wall hanging and fixing test leads)
Dot Tilt Stand
Standard Accessory
1. Holster (H-70) x 1
2. Test Leads (TL-21) x 1set
Optional Accessory
1. Clamp Probe (CL33DC)
2. Clamp Probe (CL-22AD)
3. Clamp Probe (CL-20D)
4. High Voltage Probe (HV-60)
5. Carrying Case (C-C7)
6. Test Leads (TL-21M -- 0.7-mm pin)
Measurement Range and Accuracy
DC voltage 0.1mV ~ 1000V
AC voltage, True-rms (CD751) 1mV ~ 750V
DC current CD751 0.01μA ~ 20A
CD731 0.01μA ~ 20A
CD721 0.01μA ~ 12A
AC current CD751 0.01μA ~ 20A
CD731 0.01μA ~ 20A
CD721 0.01μA ~ 12A
Resistance 0.1Ω ~ 30MΩ
Diode test Open voltage : approx. 3V
Continuity Buzzer sounds at between 20Ω
Battery Check (CD721) Yes

Basic Features

Digital display

3 200 counts
Sampling rate
Approx. 2 times/sec (numeral display)
Approx. 12 times/sec (bargraph)

Analog bargraph 32 segments max
Best DC accuracy 0.5%
AC sensor AC+DC True RMS (CD751)
Average (CD731, CD721)
Data Related Features
Data hold Yes
Range hold Yes
Other Features
Low battery indication / timing Yes / Approx. below 7V
Automatic power off / timing Yes (CD751 = Automatic power save) / 10 minutes
Auto / manual ranging Yes / Yes
Holster Yes
Tilt stand (CD751 and CD731) Yes
General Specifications
Accuracy temperature 23єC±5єC 80% RH max. 
No condensation
Operating temperature 0єC ~ 40єC 80% RH max. 
No condensation
Storage temperature
Battery removed
-10єC ~ 50єC 70% RH max. 
No condensation
Power supply R06 (IEC) dry battery, 2 pieces
Battery life Auto Power off function turns the meter off at approx 10 minutes if no operation is done.
Environmental condition Operating altitude < 2000m
Pollution degree II
Fuse protection CD751 0.5A/250V -- 5.2x20mm IR 300A
20A/250V -- 6.35x31.8mm IR 1000A
CD731 0.5A/250V -- 5.2x20mm IR 300A
20A/250V -- 6.35x31.8mm IR 1000A
CD721 0.5A / 250V -- 5.2 x 20mm IR 300A
12A / 250V -- 6.3 x 30mm IR 500A
Dimension including holster 165.5(H) x 78(W) x 41.5(D) mm
Weight including holster CD751 Approx. 315g
CD731 Approx. 310g
CD721 Approx. 290g
Transient (surge) protection 6kV (1.2/50μs surge)
CE mark Yes
Safety CAT III for 600V DC&AC
CAT II for 1000V DC & 750V AC
E.M.C. EN50082-1 (EN55022), EN50082-1 (EN61000-4-2)
EN50082-1 (EN61000-4-3), EN50082 (ENV50204)
Warranty ( years ) 1
Calibration certificate with data Optional

HolsterHolster2  Test Lead

Holster to secure test leads     Gold-plated test pin


Tilt Stand

Tilt stand for desktop use (CD751 and CD731)


Safety CoverSafety Cap

Safety cover (CD751 and CD731) and cap (CD721) 

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