HoldPeak 6688D Instruction Manual - page 3
- 2 -
AC/DC 600mA
mA
600mA AC/DC
AC/DC 20A
20A
20A AC/DC
RPM
V/Ω/RPM
250V AC/DC
Duty Cycle(%)
Dwell angle
20Amp measurement continuous for 30 seconds maximum.
Ohm can not be measured if voltage is present ,ohms can be measured only in
a non-powered circuit .however ,the meter is protected to 250 volts.
SPECIFICATION
GENERAL SPECIFICATION
Display: 6000 digits LCD with 20mm high numerals.
Auto Functions: Auto-zero, Auto-polarity, Auto-range
Auto power off: 15 minutes after stopping the switch
or no push button, the meter enter to Power off mode. run switch to OFF
position , Auto Power off disable.
Low Battery Indication: "
".
.Overrange Indication: "OL".
Power Supply: single 9V battery (NEDA 1604or IEC 6F22)
Reading Rate Time: 3 reading per sec(approx.).
Maximum Commom Mode Voltage: 500Vdc or ac peak.
Safety Standards: The meter is up to the standards Of IEC1010
Double Insulation, Pollution degree 2 Overvoltage Category Ⅱ.
Operating Environment: 0℃ to 50℃(32℉to 122℉) at ≤70% relative
humidity.
Storage Envrionment: -20℃ to 60℃(-4℉ to 140℉) at ≤80% relative
humidity .
Temperature Coefficient: 0.1×(specified accuracy)/℃(≤18℃ or≥28℃)
Accessories: One pair test leads, single 9V battery (NEDA 1604or IEC
6F22), operating instructions.
Fuse: 0.8A/250V, 5×20mm fast acting,20A/250V, 6×30mm fast acting.
Dimension : 218mm×122mm×75mm
Weight :Approx. 760g(including battery and holster).
Electrical specifications
*Accuracy is given as ±([% of reading]+[ number of leads significant digits]) at
18℃ to 28℃(65℉ to 83℉),with relative humidity up to 70%.
RPM(tach)
Ranges:60-9000,600-12000(×10RPM)
Resolution :1 RPM
Effect reading :>60RPM
Accuracy:±(2.5%rdg+10dgt)
Overload protection:250VDC or RMS AC
Pulse width
Ranges :0.1ms-10.0ms
Accuracy :±(2.5%+0.2ms)
Overload protection:250VDC or RMS AC
% Duty cycle
ranges:1.0-99.0%
resolution:0.1%
pulse width :>100us,
Accuracy:±(2.5%rdg+10dgt)
Overload protection:250VDC or RMS AC
Dwell angle
No.of cylinder:4.5.6.8
Range:0-90.0゜(4 cyl),0-72.0゜(5CYL),0-60.0゜(6CYL),0-45.0゜(8CYL.)
Resolution:0.1゜
Accuracy:±(2.5%rdg+10dgt)
Overload protection:250VDC or RMS AC
Temperature
Ranges:-30℃ to 1100℃,-22℉ to 2000℉
Resolution:1℃/1℉
Accuracy:±(2%rdg+2℃)
±(2%rdg+4℉)
sensor: type K thermocouple
input protection:250VDC or 250VAC rms
DC voltage(auto rangeing)
Ranges:600mV
Accuracy:± (2.5%rdg+15dgt)
Ranges:6V,60V,600V,1000V
Accuracy:± (0.8%rdg+8dgt)
Resolution:100uV
input impedance:>10MΩ
Overload protection: 1000VDC or 750VAC rms.