Thursday, November 21, 2013

HP-870CR Autorange Digital Clamp meter

Auto Range Digital Clamp Meter -HP-870CR
Basic function
DC Voltage      400mV~1000V
 AC Voltage     400mV~750V
 DC Current      200A~1000A
 AC Current      400A~1000A
 Resistance      400Ω~40MΩ
 Capacitance    40nF~100uμF
 Temperature    -20℃~1000℃
 Frequency       10Hz~10MHz
 Duty Cycle       0.1%~99.9%
Express function
 Display                  3999
 Range Select         Auto
 Diode Test               √
 Continuity Buzzer    √
 Data Hold               √
 Back Light             √
 Auto Power Off      √
 Relative Value       √
 AC Ture RMS       √
  Dual Display       √
 Jaw Caliber        45mm
General Features
Battery Type       9V(6F22)x1
Dimension          230x85x40mm
Weight               450g



Function
Range
Accuracy
Resolution
Remarks
DCV
400mV
0.8% of rdg
0.1mV
Overload protection: 1000V DC/750Vrms AC
Impedance: 10MΩMore than 100MΩ on 400mV scale
4V
1.0% of rdg
1mV
40V
10mV
400V
100mV
1000V
1.5% of rdg
1V
ACV
Range
Accuracy
Resolution
Frequency
Average sensing, calibrated to rms of sine wave
Overload protection: 1000V DC/750Vrms AC;Impedance: 10MΩ.
4V
1.5% of rdg
1mV
50400Hz
40V
10mV
400V
100mV
750V
2.5% of rdg
1V
50100Hz
DCA
Range
Accuracy
Resolution
Frequency
Overload protection: 1000Arms within 60 seconds
200A
3.0% of rdg
0.1A
-
1000A
0800
3.5% of rdg
1A
8001000
6.5% of rdg
ACA
Range
Accuracy
Resolution
Frequency
Average sensing, calibrated to rms of sine wave
Overload protection: 1000Arms within 60 seconds
400A
3.0% of rdg
0.1A
50400Hz
1000A
0800
3.5% of rdg
1A
8001000
6.5% of rdg
ACV
(True RMS)
Range
Resolution
Accuracy
Sensitivity
1. Input impedance : > 10MΩ Ohm ACV True RMS.
2. Overload protect : 1000V DCV or ACV peak value.
3. Press “Range” button for select ACV 400mV range.
400mV
0.1mV
±2.0% of rdg
40Hz-1kHz
4V
1mV
±1.2% of rdg
40Hz-1kHz
40V
10mV
±1.2% of rdg
40Hz-10kHz
400V
100mV
±1.0% of rdg
40Hz-400Hz
750V
1V
±1.0% of rdg
40Hz-400Hz
Resistance
Range
Accuracy
Resolution
Overload protection: 250V DC/250Vrms AC
400Ω
1.5% of rdg+15 digits
0.1Ω
4kΩ
1.2% of rdg
40kΩ
10Ω
400kΩ
100Ω
4MΩ
1kΩ
40MΩ
2.5% of rdg
10kΩ
Capacitance
Range
Accuracy
Resolution
Overload protection: 250V DC/250Vrms AC
40nF
6.0% of rdg
10PF
400nF
3.5% of rdg
100PF
4μF
1nF
40μF
10nF
100μF
6.0% of rdg
100nF
Frequency
Range
Accuracy
Resolution
Sensitivity
Overload protection: 250V DC/250Vrms AC
10Hz
1.2% of rdg
0.01Hz
Range of input voltage:1.5V~10V, If input voltage over range, need adjust
100Hz
0.1Hz
1000Hz
0.8% of rdg
1Hz
10kHz
10Hz
100kHz
100Hz
1000kHz
1kHz
10MHz
2.0% of rdg
10kHz
Temperature(NiCr-NiSi sensor)
Range
Accuracy
Resolution
Overload protection: 36V DC/36Vrms AC
-20150
3+2
1
150300
3.0% of rdg
1
3001000
3.5% of rdg
1
Diode and Audible continuity test
Range
Description
Test Condition
Overload protection: 250V DC/250Vrms AC
Display read approx.
Forward voltage of diode
Forward  DC current
approx. 0.4mA
Reversed DC voltage
approx. 1.5V
Built-in buzzer sounds
if resistance is  less
than 90Ω
Open circuit voltage
approx. 0.5V