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USER GUIDE Extech PQ2071 3 Phase True RMS 1000A AC Power Clamp Meter 3-Phase True RMS 1000A Power Clamp Meter with Non-Contact Voltage Detector and PC interface Model PQ2071 netzerotools.com...
Introduction Congratulations on your purchase of the Extech PQ2071 3-Phase CAT IV True RMS 1000A Power Clamp Meter. The PQ2071 measures AC Current, Frequency, Temperature (Type K), and Power (True Power, Apparent Power, Reactive Power, and Active Power). The PQ2071 also includes a built-in non-contact Voltage Detector with LED alert.
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Turn the Meter off when it is not in use and remove the battery when the meter is to be stored or unused for long periods. Keep track of the battery age and replace batteries when necessary. Leaking batteries can damage the meter. PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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LCD Display Voltage detector sensor Voltage detector alarm light Function dial switch (HOLD button) Push-buttons (see list below) L1, L2, L3 Input Terminal PC Interface cable jack Battery compartment located on back of instrument Note: Figure 1 PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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Low Battery Maximum and Minimum readings MAX-MIN Analog Bar Graph Clear Data Negative symbol ̶ High voltage symbol AC voltage or current Recall stored data Data storage Data logger is full FULL Data hold is active HOLD PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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Press HOLD to enter the Hold mode, the H will appear and the Meter will beep and HOLD the displayed reading will freeze. Press HOLD again to exit the Hold mode, the Meter will beep and the H icon will switch off. PQ2071-EU-EN V1.0 1/13 netzerotools.com...
Figure 4 Note: The detector is highly sensitivity. Static electricity or other sources of energy may randomly trip the sensor. This is normal operation. PQ2071-EU-EN V1.0 1/13 netzerotools.com...
11. The display indicates ‘OL’ when the input voltage is greater than 750V rms. Note: When the measurement session has been completed, disconnect the test leads from the circuit under test and remove the test leads from the meter’s input terminals. PQ2071-EU-EN V1.0 1/13 netzerotools.com...
The display indicates ‘OL’ when the input current is greater than 1000A. Note: When the measurement session has been completed, disconnect the test leads from the circuit under test and remove the test leads from the meter’s input terminals. PQ2071-EU-EN V1.0 1/13 netzerotools.com...
Set the Rotary switch to the KW, kVA or kVAR position Clamp the transformer jaw and around phase 1 one of the power conductors. Connect the four voltage leads as shown in Figure. 7 Refer to Power measurement Instructions. Figure 7 PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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1 second to display the 3 phase sum of kW on the main display and kVA on the secondary display. Press the ▲ button to display the 3 phase sum of kVAR on the main display Figure 9 Press and Hold the ∑ button for 1 second to return to normal operation PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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Skip the second phase (L2) measurement. The first and the third phase measuring method is the same as for 3 phase / 4-wire systems. Refer to Power measurement instructions. For Figure 10: ∑W = W1 + W3 PQ2071-EU-EN V1.0 1/13 netzerotools.com...
Clamp around the phase to be measured. Press the L1-L2-L3 button to select the conductor clamped. (Fig.11) The dual display indicates the power factor (PF) in the main display and the phase angle (PG) in the secondary display Figure 11 PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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11. The maximum active energy is 9999kWh. OL will be displayed when the reading exceeds this limit. 12. The MAXMIN feature is not available when measuring active energy. 13. Press and hold the CLEAR button for 1 second to reset the time and energy value. PQ2071-EU-EN V1.0 1/13 netzerotools.com...
True RMS measures the effective value of sine-wave and non-sine wave input signals Average measurements represent the mean value of sine wave signals The clamp Meter uses the following formulas: KW = KVA × Cosθ KVA = KW KVAr KVAr = KVA × Sinθ PQ2071-EU-EN V1.0 1/13 netzerotools.com...
/ accumulators at collection points in your community or wherever batteries / accumulators are sold! Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle PQ2071-EU-EN V1.0 1/13 netzerotools.com...
W = V x A x COSθ Voltage Ranges Current / Voltage 100V 400V 750V 4.00KW 16.00KW 30.00KW 100A 10.00KW 40.00KW 75.00KW Current Ranges 400A 40.00KW 160.0KW 300.0KW 1000A 100.0KW 400.0KW 750.0KW Accuracy ±(3%+5) Resolution <1000KW: 0.01KW; 100kW: 0.1KW PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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Reactive Power Var = V x A x SINθ Voltage Ranges Current / Voltage 750V 100V 400V 4.00KVAr 16.00KVAr 30.00KVAr 100A 10.00KVAr 40.00KVA 75.00KVAr Current Ranges 400A 40.00KVAr 160.0KVAr 300.0KVAr 1000A 100.0KVAr 400.0KVAr 750.0KVAr Accuracy ±(3%+5) Resolution <1000KVAr: 0.01KVAr; 100kW: 0.1KVAr PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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Resolution Measurement Notes ±2 Minimum current 10A Minimum voltage 45V (capacitive or inductive) For reference only Current less than 10A Voltage less than 45V (capacitive or inductive) Kilowatt Hours (kWh) Range Accuracy Resolution 1~9999kWh ±(3%+2) 0.001kWh PQ2071-EU-EN V1.0 1/13 netzerotools.com...
292 x 95 x 38mm (11.5 x 3.75 x 1.5”); 522g (18.4 oz.) Dimensions & Weight For indoor use and in accordance with the requirements for double Safety insulation to IEC1010-1 (2001): EN61010-1 (2001) Overvoltage Category IV 600V and Category III 1000V, Pollution Degree 2 PQ2071-EU-EN V1.0 1/13 netzerotools.com...
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