The AEMC 1060 digital megohmmeter with RS-232 interface is an auto-ranging insulation tester with five test voltages—50, 100, 250, 500, and 1,000V—for measuring insulation resistance to 4,000GΩ to indicate the condition of windings or cables in motors, switchgears, electrical installations, and other insulated equipment, and it also measures low-resistance to 400kΩ, with a capacitance to 5μF, and AC and DC voltage to 1,000V, disabling insulation testing when a voltage greater than 25V is detected. The R-DAR-PI (resistance-dielectric absorption rate-polarization index) function calculates and displays the DAR and the PI, which are measurements over time that give a more detailed indication of insulation condition than single-point measurements. The timer function allows timed testing from 1 to 59 minutes. High and low thresholds for insulation and resistance measurements can be set, triggering an alarm when readings fall outside the settings, and will be retained even after the meter is powered off. When measurement is complete, the meter enters voltage detection mode and automatically discharges residual voltage from the circuit under test. The meter can perform a continuity check up to 40Ω and buzzes to confirm that a circuit conducts electricity. With its RS-232 interface and software, the meter can be used with a PC for configuring the meter, storing and analyzing data, and generating reports. Its built-in document function allows printing of a preformatted report directly to a compatible printer. It has 128kB of memory for storing readings. Built into a double-insulated, dual-walled field case, the meter has a rotary switch for selecting the test voltage or property to be measured and has a dual 4,000-count LCD with a backlight for visibility in low light. The display shows readings numerically and on a 31-segment bar graph. Megohmmeters are commonly used for electrical maintenance and testing in industries such as HVAC, transportation, manufacturing, mining, and utilities, among others.

This auto-ranging meter automatically selects the appropriate operating range for measurements. It is rated for category (CAT) III installations up to 600V, which covers equipment in fixed installations, such as switches in the fixed installation and some industrial equipment that is permanently connected to the fixed installation. The unit operates on an integral rechargeable NiMH battery or AC power, automatically turns off after five minutes of non-use to conserve battery life, and has a low-battery indicator that signals when the battery needs to be recharged. It comes with a set of test leads, a set of alligator clips, a test probe, a 6ft. modem cable for attaching the meter to a computer or printer, a 120V power cord, a detachable accessory pouch, and instructions. For remote operation, the meter has an input for connecting an AEMC 2118.97 remote test probe (sold separately).

Specifications

Maximum insulation resistance measured4,000GΩTest voltage/resistance ranges50V, 100V, 250V, 500V, 1,000VMaximum low-resistance measured400kΩMaximum capacitance measured5μFMaximum AC and DC voltage measured1,000VInstallation ratingCAT III, 600VStandards metEN safety standards 61010-1 and 61557; CE markingPowerRechargeable nickel-metal hydride (NiMH) battery and AC powerWeight3.4kg/7.5 lbs.Dimensions (H x W x D)*110 x 240 x 185mm/4.33 x 9.45 x 7.28 inches

*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back

Megohmmeters, also called insulation testers, are electrical test meters that measure resistance to the flow of current in an electrical component or circuit and check the continuity of an electrical circuit to detect electrical problems such as degraded insulation and improper circuit connections in equipment, wiring, and power supplies. Resistance is an indicator of the overall condition of the device being tested. Megohmmeters have an internal power supply, such as a battery or a capacitor, which supplies a test voltage to a circuit or component that is turned off. Test leads are connected in a series to the tester and the circuit or device being tested. The meter calculates the difference in voltage between the leads and measures the resistance. Most megohmmeters have two terminals for test lead attachment. The two-terminal, or two-wire, measurement method includes the resistance of the circuit or device being tested and the resistance of the test leads, and generally provides sufficient accuracy for measuring large values of resistance in insulation testing applications.

AEMC Instruments manufactures electrical testing and measurement instruments, including clamp meters, power quality analyzers, ground resistance testers, and data loggers. The company, founded in 1893, is headquartered in Foxborough, MA.

What's in the Box?

AEMC 1060 digital megohmmeter
Set of test leads
Set of alligator clips
Test probe
6ft. modem cable
120V power cord
Detachable accessory pouch
DataView software
Instructions

AEMC1060 Digital Megohmmeter with RS-232 Output, 50/100/250/500/1,000V, 4,000 Gigaohms Insulation Resistance, 400 Kilohms Low-Resistance, 5 Microfarads Capacitance, 1,000V Voltage

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