Condition: Used

A used AYA Instruments OM-H/P3C (P75.3C) dual-range Hall effect current probe, covering 10 A to 7500 A AC/DC with a voltage output of 2 mV/A (1000 A range) or 0.2 mV/A (7500 A range). Suitable for industrial and laboratory current measurement applications.

Included in the sale:
• AYA Instruments OM-H/P3C Current Probe
• Hard carry case

The P75.3C is a clamp-type AC/DC current probe developed by Universal Technic and distributed by AYA Instruments under the OM-H/P3C designation. It uses Hall effect technology to enable accurate, non-intrusive measurement of both AC and DC currents without breaking the circuit. The probe is compatible with multimeters, data recorders, and power analysers, making it suitable for industrial power monitoring, energy auditing, laboratory testing, and busbar current measurement applications. Its dual-range design and wide measuring span make it one of the most versatile large-format clamp probes available.

Technical Specifications:

Current Ranges: 1000 A and 7500 A
Measuring Range: 10 A to 7500 A (AC/DC)
Output Sensitivity: 2 mV/A (1000 A range), 0.2 mV/A (7500 A range)
Load Impedance: ≥ 100 kΩ
Frequency Range: DC to 1 kHz
Working Voltage: 600 V AC RMS or DC
Conductor Position Sensitivity: 0.5% @ 50 Hz
Adjacent Conductor Error: ≤ 10 mA/A @ 50 Hz
Power Supply: 9V Alkaline battery, approximately 75 hours autonomy, low battery indicator
Output Zero: Manual thumbwheel adjustment

Accuracy — 1000 A Range:
10 to 100 A: 2% + 4 mV (phase error: not specified)
100 to 500 A: 1.5% + 4 mV (phase error: < 1°)
500 to 1200 A: 1% + 4 mV (phase error: < 0.5°)

Accuracy — 7500 A Range:
100 to 500 A: 2% + 3 mV (phase error: 2°)
500 to 2000 A: 1.5% + 3 mV (phase error: 1.5°)
2000 to 7000 A: 1% + 3 mV (phase error: 1.5°)
7000 to 7500 A: 5% + 10 mV (phase error: 2°)

Typical conductor aperture: up to 80 mm (100 x 64 mm and 122 x 54 mm jaw configurations)
Power supply options: Internal 9V battery or external DC supply
Outputs: Voltage (mV) suitable for 4 mm safety sockets

Universal Technic P75.3C Current Probe Datasheet — 1000A/2V & 7500A/1.5V (PDF): Download PDF

AYA Instruments PC Series Datasheet — AC/DC Hall Effect Large Clamps (PDF): Download PDF

Pacific Test Equipment — Universal Technic PC Series 7500A Hall Effect Probe Datasheet (PDF): Download PDF

Shipping & Returns Policy

Shipping Policy

• Processing Time: Orders are typically processed and dispatched within 1 business day.
• Shipping Methods: We offer Expedited Shipping to all destinations using UPS/DHL/Fedex/Royal Mail and other reputable carriers.
• Shipping Times: Mainland UK: 1-2 Business Days / Mainland Europe and USA: 2-3 Business Days / Rest of the World 5-7 Business Days.
• Shipping Costs: These are calculated at checkout based on the shipping method, destination and package dimensions.
• CUSTOMS AND TAXES: It is YOUR responsibility to liaise with customs in your country and ensure your package is cleared and any taxes are paid.
• Shipping Destinations: We ship worldwide.
• Tracking: Once your order is shipped, we will provide you with a tracking number via email.
• Insurance: All shipments are insured. In case of damage, please contact us via email within 48 hours of receiving the product with photographic evidence, please also ensure a report is logged with the delivery driver.

Returns Policy

• Return Period: In the event of an item being received which is 'not as specified', you can return your purchase within 14 days of delivery.
• Condition of Items: Items must be returned unused and in their original packaging.
• Return Method: All returns must be notified in writing to hello@ttinstruments.com, the email should accompany the order number, date and reason for return and must be within 14 days of delivery.
• Restocking Fees: A restocking fee of up-to 20% is applicable for items returned for any reason other than 'not as specified'.
• Refund Method: Refunds are processed to the original method of payment within 5 business days of receiving the return.
• Exchanges: We do not offer exchanges. It will either be a replacement or a refund.
• Return Shipping Costs: Return shipping costs will be borne by the customer unless the item is 'not as specified', in this case we will arrange for the return by way of a prepaid shipping label.