HoldPeak 6688D Instruction Manual - page 4
- 3 -
AC VOLTAGE TRUE RMS(Auto ranging)
Ranges:600mV,6V,60V,600V,750V
Resolution:100uV
Accuracy: : 400mV ,750V± (3.0%rdg+15dgt) at 50Hz to 100Hz
,4V,40V,400V, ± (1.5%rdg+15dgt) at 50Hz to 1kHz
input impedance:>10MΩ
Overload protection: 1000VDC or 750VAC rms.
DC CURRENT
Ranges: 60mA,600mA,20A.
Resolution:10 uA
Accuracy:
60mA,600mA ±(1.5%rdg+10dgt)
20A ±(2.0%rdg+15dgt)
Input protection: 0.8A/250V fuse on 600mA range
20A/250V high energy fuse on 20A range
AC CURRENT
Ranges: 60mA,600mA,20A.
Resolution:10uA
Frequency response:50Hz to 400Hz
Accuracy:
60mA,600mA ±(1.8%rdg+15dgt)
20A ±(2.5%rdg+15dgt)
Input protection: 0.8A/250V fuse on 600mA range
20A/250V high energy fuse on 20A range
RESISTANCE(Auto ranging)
Ranges:600Ω,6KΩ,60KΩ,600KΩ,6MΩ,60MΩ
Accuracy:±(1.5%rdg+15dgts) on 600Ω range
±(1.0%rdg+10dgts) on 6kΩ to 600kΩ ranges
±(3.5%rdg+15dgts) on 6MΩ to 60MΩ ranges
open circuit voltage: 0.4VDC
overload prctection: 250VDC or RMS AC.
FREQUENCY(Auto ranging)
Ranges: 9.999kHz,99.99kHz,999.9kHz,9.999MHz
Resolution: 1Hz
Accuracy: ±(0.1%rdg+5dgts)
Sensitivity:1V
Overload protection:250VDC or RMS AC
CAPACITANCE(Auto ranging)
Ranges:9.999nF,99.99nF,999.9nF,9.999uF,99.99uF,999.9uF,9.999mF,99.99mF.
Resolution:1pF
Accuracy:±(3.0%rdg+20dgts) on 9.999nF range
±(2.5%rdg+10dgts) on 99.99nF to 9.999uF ranges
±(3.0%rdg+25dgts) on 99.99uF to999.9uF ranges
±(10%rdg+15dgts) on 9.999mF to99.99mF ranges
overload protection:250VDC or RMS AC
DIODE TEST
Test condition: Forward DC current approx. 1.5mA
Reversed DC voltage approx. 1.5V
Overload protection:250VDC or RMS AC.
AUDIBLE CONTINUITY
Open circuit voltage:0.4Vdc
≤50Ω Buzzer sounds
Overload protectio n:250VDC or RMS AC.
Signal
analog
Output(Analog
Frequency/Duty/DC
and
AC
Voltage/RESISTANCE Signal Output)
% Duty cycle:10%-90%
DC VOLTAGE:0-1V、0-5V、0-12V(±1%)
AC VOLTAGE: 0-1V、0-5V、0-12V(±1.5%)
RESISTANCE:
200-5KΩ ±3.5%±0.05 KΩ
4KΩ-200KΩ ±3.5%±0.5 KΩ
“︽” “︾” Button quickly adjust output signal value
“∧” “∨” Button fine adjust output signal value
Accessory optional
1. RPM INDUCTIVE PICK-UP PROBE