- Details
- Category: Power Analyzers

The Extech PQ3450-12 is a three-phase power analyzer/data logger that can record up to 30,000 sets of measurements in Excel® format on a removable SD memory card. It features a big dot matrix display, a built-in clock and calendar, and a backlit LCD with an easy-to-use onscreen menu. It supports full system analysis with up to 35 parameters. The adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio enables high-power distribution systems. Record up to 30,000 readings on a removable SD memory card in Excel® format. Sampling rates range from 2 seconds to 2 hours. Comes includes four voltage leads with alligator clips, three 1200 A current clamps, eight AA batteries, an SD card, a 100-240 V AC adaptor, and a case.
AC Current | 1200A |
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AC Current Basic Accuracy | ±(0.5% of reading) |
AC Voltage | 600.0V |
AC Voltage Basic Accuracy | ±(0.5% of reading) |
Active Power | 9.999MW |
Active Power Basic Accuracy | ±(1.0% of reading) |
Active Power Energy | 0.0kWh to 9.999MWH |
Active Power Energy Basic Accuracy | ±(2.0% of reading) |
Apparent Power | 9.999MVA |
Apparent Power Basic Accuracy | ±(1.0% of reading) |
Apparent Power Energy | 0.0KVAh to 9.999MVAH |
Apparent Power Energy Basic Accuracy | ±(2.0% of reading) |
Frequency | 45Hz to 65Hz |
Frequency Basic Accuracy | ±0.1Hz |
Input Range | 200mV, 300mV, 500mV, 1V, 2V, 3V (user-selectable) |
Input Range Basic Accuracy | ±(0.5% of reading) |
Memory | 30,000 readings (2GB SD memory Card) |
Phase | -180 ° to +180° |
Phase Basic Accuracy | ±1° |
Power Factor | 0.00 to 1.00 |
Power Factor Basic Accuracy | ±0.04 |
Reactive Power | 9.999MVAR |
Reactive Power Basic Accuracy | ±(1.0% of reading) |
Reactive Power Energy | 0.0kVARh to 9.999MVARH |
Reactive Power Energy Basic Accuracy | ±(2.0% of reading) |
True RMS | Yes |
Certifications | CE, UL |
Dimensions | 8.86 × 4.92 × 2.52" (225 × 125 × 64mm) |
Power | 8 × AA (1.5V) batteries |
Safety Category | CATIII - 600V |
Warranty | 2 years |
Weight | 2.2lbs (1010g) |
- Details
- Category: Power Analyzers

The Extech PQ3450-30 is a three-phase power analyzer/data logger that can record up to 30,000 sets of measurements in Excel® format on a removable SD memory card. It features a big dot matrix display, a built-in clock and calendar, and a backlit LCD with an easy-to-use onscreen menu. It supports full system analysis with up to 35 parameters. The adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio enables high-power distribution systems. Record up to 30,000 readings on a removable SD memory card in Excel® format. Sampling rates range from 2 seconds to 2 hours. Comes includes four voltage leads with alligator clips, three 3000 A current clamps, eight AA batteries, an SD card, a 100-240 V AC adaptor, and a case.
AC Current | 3000A |
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AC Current Basic Accuracy | ±(0.5% of reading) |
AC Voltage | 600.0V |
AC Voltage Basic Accuracy | ±(0.5% of reading) |
Active Power | 9.999MW |
Active Power Basic Accuracy | ±(1.0% of reading) |
Active Power Energy | 0.0kWh to 9.999MWH |
Active Power Energy Basic Accuracy | ±(2.0% of reading) |
Apparent Power | 9.999MVA |
Apparent Power Basic Accuracy | ±(1.0% of reading) |
Apparent Power Energy | 0.0KVAh to 9.999MVAH |
Apparent Power Energy Basic Accuracy | ±(2.0% of reading) |
Frequency | 45Hz to 65Hz |
Frequency Basic Accuracy | ±0.1Hz |
Input Range | 200mV, 300mV, 500mV, 1V, 2V, 3V (user-selectable) |
Input Range Basic Accuracy | ±(0.5% of reading) |
Memory | 30,000 readings (2GB SD memory Card) |
Phase | -180 ° to +180° |
Phase Basic Accuracy | ±1° |
Power Factor | 0.00 to 1.00 |
Power Factor Basic Accuracy | ±0.04 |
Reactive Power | 9.999MVAR |
Reactive Power Basic Accuracy | ±(1.0% of reading) |
Reactive Power Energy | 0.0kVARh to 9.999MVARH |
Reactive Power Energy Basic Accuracy | ±(2.0% of reading) |
True RMS | Yes |
Certifications | CE, UL |
Dimensions | 8.86 × 4.92 × 2.52" (225 × 125 × 64mm) |
Power | 8 × AA (1.5V) batteries |
Safety Category | CATIII - 600V |
Warranty | 2 years |
Weight | 2.2lbs (1010g) |
- Details
- Category: Power Analyzers

The Extech PQ3450 is a three-phase power analyzer/data logger that can record up to 30,000 sets of measurements in Excel® format on a removable SD memory card. The robust overmolded housing makes the product comfortable to grip. It has a built-in clock and calendar, 35 settings, and a CAT III 600V safety rating. Comes with a one-year warranty, four voltage leads with alligator clips, eight AA batteries, an SD card, a 100-240 volt AC adaptor, and a case. Clamp probes are available separately.
AC Current | up to 3000A (depends on the current clamp probes used) |
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AC Current Basic Accuracy | ±(0.5% of reading) |
AC Voltage | 600.0V |
AC Voltage Basic Accuracy | ±(0.5% of reading) |
Active Power | 9.999MW |
Active Power Basic Accuracy | ±(1.0% of reading) |
Active Power Energy | 0.0kWh to 9.999MWH |
Active Power Energy Basic Accuracy | ±(2.0% of reading) |
Apparent Power | 9.999MVA |
Apparent Power Basic Accuracy | ±(1.0% of reading) |
Apparent Power Energy | 0.0KVAh to 9.999MVAH |
Apparent Power Energy Basic Accuracy | ±(2.0% of reading) |
Frequency | 45Hz to 65Hz |
Frequency Basic Accuracy | ±0.1Hz |
Input Range | 200mV, 300mV, 500mV, 1V, 2V, 3V (user-selectable) |
Input Range Basic Accuracy | ±(0.5% of reading) |
Memory | 30,000 readings (2GB SD memory Card) |
Phase | -180 ° to +180° |
Phase Basic Accuracy | ±1° |
Power Factor | 0.00 to 1.00 |
Power Factor Basic Accuracy | ±0.04 |
Reactive Power | 9.999MVAR |
Reactive Power Basic Accuracy | ±(1.0% of reading) |
Reactive Power Energy | 0.0kVARh to 9.999MVARH |
Reactive Power Energy Basic Accuracy | ±(2.0% of reading) |
True RMS | Yes |
Certifications | CE, UL |
Dimensions | 8.86 × 4.92 × 2.52" (225 × 125 × 64mm) |
Power | 8 × AA (1.5V) batteries |
Safety Category | CATIII - 600V |
Warranty | 2 years |
Weight | 2.2lbs (1010g) |
- Details
- Category: Power Analyzers

The Extech PQ34-30 is a set of 3000 A Flexible Current Probes for the PQ3450/PQ3470 power quality analyzer. Its length is 61 cm (24 in), making it ideal for wrapping over bus bars and wire bundles. Switch between three current ranges: 3000 A, 300 A, and 30 A.
AC Current | 30A, 300A and 3000A, switch selectable |
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AC Current Basic Accuracy | ±1% full scale (50/60Hz) |
Cable Length | 3.4 meters (11.2 feet) |
Frequency Bandwidth | 45 to 400 Hz. |
Jaw Size | Flexible 23.6" (600mm) |
Linearity/Hysteresis | ±0.2% of reading from 10% to 100% of range |
Minimum Load | 100 KΩ for specified accuracy |
Output Coupling | AC coupled. |
Output Sensitivity | 100mV/A (30A range), 10mV/A (300A range), 1mV/A (3000A range) |
Phase Error | < ±1° (50/60Hz) |
Dimensions | 4.1 × 2.2 × 1.3" (105 × 56.5 × 33 mm) |
Power | 8V ±1V (supplied from meter) |
Safety Category | CATIII - 600V |
Warranty | 2 years |
Weight | 480 g (1.06 LB) |