Martindale Electric has launched the HPAT425 handheld PAT/EET tester, which can be used for testing all types of portable appliances and is specifically built for ease of use with one-button automatic testing.

The new HPAT425 is designed for clear, simple and automatic pass/fail testing of Class 1 & Class 2 appliances and IEC power leads. The unit is compact and lightweight for maximum portability and features a USB-C charging port for fast on-the-go charging.

The large, high-contrast greyscale display is ideal for testing in varying light conditions. Plus, the HPAT425 features both 500V and 250V insulation test options – ideal for surge-protected devices – as well as an IT-safe 200mA earth bond test.

Replacing the popular Martindale HPAT400 model, the improved HPAT425 offers everything needed to begin testing straight out of the box. This includes a TL67 earth bond probe, EX322 IEC adaptor lead, TC57 carry case, and a USB-C charging cable, alongside a verification certificate and instruction manual.

A comprehensive range of optional accessories is also available, including adaptors for testing appliances and equipment fitted with 3-phase plugs.

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When it comes to verifying the phase sequence, or rotation, of three phase circuits, Martindale Electric offers a professional range of testers. Getting the phase sequence wrong can have devastating consequences for plant and machinery with serious implications for machine safety.

From motors running backwards through to cooling or lubricating systems underperforming, one wrong connection can lead to a major maintenance headache.

Providing enhanced user safety, Martindale Electric’s PSI4000 and PSI4300 non-contact phase sequence indicators can quickly and accurately identify three phase sequences for motor installations and other systems. Designed for use on both insulated and non-insulated conductors, the PSI4000 and PSI4300 carry out measurements via inductive crocodile clips, which can be simply clipped on to speed up testing and reduce the risk of coming into contact with live parts.

LEDs provide a clear indication of phase rotation and have a high intensity setting for when working in strong ambient light. Both models also offer a buzzer indicator. Similar in function, the only difference between the two-phase sequence indicators is that the PSI4000 provides a correct indication for clockwise sequence, as used in the building facilities industry, while the PSI4300 provides a correct indication for anticlockwise sequence as used, for example, in power utilities.

Another solution is the PC15250 phase rotation indicator, which has been specifically designed to quickly and simply prove the presence of all three live phases (or identify which are faulty) and show the sequence of phase rotation when all three phases are confirmed as present.

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The CM Series range of professional clamp meters from Martindale Electric, makes it easy to choose the right tool for the job every time. Whether it’s low current AC, or DC for solar PV and battery systems, the equipment gets the job done.

The pocket-sized clamp range includes the CM55 AC Clamp, CM57 TRMS AC Smart Clamp and the CM79 TRMS AC/DC Clamp, combining outstanding specification and measuring capabilities with reliability and ease of use.

The clamp meters meet the exacting requirements of electricians and service teams working on both AC and DC systems, from basic AC measurements through to min/max monitoring of start-up and charging currents. All the clamps are auto-ranging and measure current to better than 2% accuracy.

The entry level CM55 is a high-performance AC clamp meter which measures AC current up to 400A, AC/DC voltage and resistance with continuity test. The compact design also enables accurate and reliable current measurement down to 10mA resolution without the need to break into the circuit.

Following on from the CM55, is the CM57 TRMS Smart Clamp Multimeter which measures AC current up to 600A, AC/DC voltage, resistance with continuity test plus capacitance, frequency and diode test making it well suited to HVAC applications.

The CM79 TRMS Clamp meter features AC and DC current measurement up to 600A with Min/Max for monitoring maximum loads, start up and charging currents. The professional clamp is ideal for applications involving PV installations, battery monitoring, UPS systems and electric vehicles.

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