IDEAL 61-521 - User Manual

3-Phase Tester &
Motor Rotation Tester
#61-521

Summary

Introduction

Safety Notes

Features

Measuring Methods

Specifications

Maintenance

Battery Replacement

Procedure for replacing the meter's battery when the green lamp is dull lit.

Fuse Replacement

Procedure for replacing the meter's fuse when indicated by connection issues.

Cleaning and Storage

Guidelines for cleaning the meter case with a damp cloth and storing it properly.

Warranty

Overview

1. Function Description
2. Usage Features
3. Maintenance Features

The IDEAL #61-521 is a versatile 3-Phase Tester and Motor Rotation Tester, designed to provide comprehensive diagnostic capabilities for electrical systems. This robust device combines three essential functions into a single, portable unit: open phase detection, phase sequence indication, and motor rotation indication. Its integrated design makes it an ideal tool for professionals involved in installing and maintaining conveyor lines, pump systems, and various interconnected drivers, ensuring efficient and safe operation of three-phase electrical machinery.

Function Description

The primary function of the IDEAL #61-521 is to accurately identify the presence of an open phase, determine the correct phase sequence, and indicate the rotation direction of a motor. These capabilities are crucial for preventing damage to equipment, ensuring proper system performance, and maintaining safety in industrial and commercial electrical environments.

For 3-Phase Rotation Testing, the device is equipped with three input terminals labeled R, S, and T, corresponding to the red, yellow, and blue phases. When connected to a three-phase power source, the tester first verifies the integrity of all three phases. Three indicator lamps, one for each phase (R, S, T), illuminate if all phases are present and healthy. If any of these lamps fail to light up, it signifies an open phase condition on the corresponding terminal where the alligator clip is connected. This immediate feedback allows technicians to quickly identify and address power supply issues. Following the open phase check, the device indicates the phase sequence. If the clockwise indicator is lit, and the power source terminals are connected by the red, yellow, and blue alligator clips, the phase sequence indicators (R, S, and T) will also be lit, confirming a correct clockwise sequence. If the counter-clockwise indicator is lit, it means the phase connection is reversed, and the user should alternate the connection of two of the three alligator clips to achieve the desired clockwise rotation. This feature is vital for ensuring that three-phase motors and other sensitive equipment operate in the intended direction, preventing potential damage or malfunction.

The Motor Rotation Tester function is designed to determine the rotational direction of a three-phase motor without applying live voltage, enhancing safety during installation and troubleshooting. This function uses separate input terminals labeled L1, L2, and L3. Before initiating a test, it is imperative to ensure that no voltage is present at the motor input terminals. Once the test leads are connected to the motor input terminals (L1-L2-L3), the user presses the power button on the tester. A green power indicator lamp will illuminate, confirming the tester is active. A critical safety check is integrated: if the clockwise or counter-clockwise red indicator lights up before the motor shaft is rotated, it signifies that voltage is still present at the motor terminals. In such a scenario, the user must immediately stop measuring, disconnect the test leads, and turn off the external power source to prevent electrical shock or damage. Once safety is confirmed, the user manually rotates the motor shaft clockwise. If the clockwise indicator on the tester illuminates, it confirms that the motor's internal wiring is configured for a three-phase connection to the power supply via L1-L2-L3, and the motor is intended to rotate clockwise. Conversely, if the user rotates the motor shaft counter-clockwise and the counter-clockwise indicator lights up, it means the motor is configured for counter-clockwise rotation with the L1-L2-L3 connection. If a specific rotation direction is required (e.g., counter-clockwise when the motor is configured for clockwise), the user would need to change the connection of the leads to L1-L2-L3 to achieve the desired rotational direction. This non-live testing capability significantly reduces the risk of electrical hazards during motor installation and maintenance.

Usage Features

The IDEAL #61-521 is designed for ease of use and safety, adhering to international electrical safety standards such as IEC Publication 348, IEC 1010 (En61010), and other relevant safety requirements.

• Intuitive Indicators: The device features clear, distinct LED indicators for open phase, phase sequence (clockwise/counter-clockwise), and motor rotation. For the 3-phase tester, red, yellow, and blue lamps correspond to the respective phases, making it easy to identify open circuits. For phase sequence, dedicated clockwise and counter-clockwise indicators provide unambiguous feedback. Similarly, for motor rotation, specific indicators confirm the direction.
• Battery Operated: The tester is powered by a 006P DC9V battery, offering portability and independence from external power sources during field operations. This allows for flexible use in various locations where power outlets may not be readily available.
• Safety Compliance: The meter is protected throughout by double insulation or reinforced insulation, minimizing the risk of electric shock. It is rated for Installation Category III and Pollution Degree 2, suitable for indoor use at altitudes up to 2000 meters, with relative humidity up to 80% Max, and ambient temperatures between 0~40°C. Users are explicitly warned against connecting the device to live voltage during motor rotation testing, emphasizing a crucial safety protocol.
• Complete Accessories: The unit comes complete with three large alligator clips, color-coded (red, yellow, blue) to match the phase input terminals, facilitating easy and secure connections to power sources. A soft vinyl case is included for protection and convenient transport, along with an instruction manual and the necessary battery.
• Robust Design: The all-electronic circuit structure ensures reliability and accuracy, avoiding the wear and tear associated with mechanical components. The compact dimensions and lightweight design contribute to its portability and ease of handling in various work environments.

Maintenance Features

Proper maintenance of the IDEAL #61-521 ensures its longevity and continued accurate performance. The manual provides clear instructions for battery and fuse replacement, as well as general cleaning.

• Battery Replacement: The device signals a low battery condition when the green power indicator lamp becomes dull. To replace the battery, the user needs to unscrew the screw on the back of the unit, open the case, remove the old 006P DC9V transistor battery, and insert a new one. The case is then reinstalled. This simple procedure ensures continuous operation.
• Fuse Replacement: If the lamp indicators R or T show no connection, and changing the R-S-T connections does not resolve the issue, it may indicate a blown fuse. Similar to battery replacement, the user must unscrew the screws on the back, open the case, remove the broken fuse, and replace it with a new 200mA, 250V fuse. This protects the internal circuitry from overcurrents.
• Cleaning and Storage: The tester should be periodically wiped with a damp cloth and a mild detergent to keep it clean. A crucial warning advises against getting water inside the case to prevent electrical shock or damage. Abrasives or solvents should not be used for cleaning, as they can damage the device's exterior. For long-term storage (periods longer than 60 days), it is recommended to remove the battery to prevent leakage and store it separately, preserving both the battery and the device.

The IDEAL #61-521 is a comprehensive and user-friendly tool, designed with safety and efficiency in mind, making it an indispensable asset for electrical professionals.

IDEAL 61-521 Specifications