MEGGER DLRO10HD-KIT Datasheet & Stock

Megger DLRO10HD Offers

Combines ultimate simplicity of operation with a rugged IP65 case designed for stable ground and bench operation. The unit is powered from either its rechargeable battery or line power making it suitable for continuous testing in production line/repetitive use environments. Rotary switch controls are simple and easy to operate in all weather conditions and with gloved hands. A large, clear, backlit LCD display is easy to read from a distance.

The DLRO10HD provides significantly enhanced compliance and is capable of delivering 10 A into measurements up to 250 mΩ and 1 A into measurements up to 2.5 Ω. The duration of each test may be up to 60 seconds. It is rated CAT III 300 V. A range of test leads is available to suit the application. The DLRO10HD provides five test modes each of which is selected through a simple rotary control.

Test Modes

Automatic unidirectional mode applies current in one direction only to speed up the measurement process. However thermal EMF resulting from dissimilar metal bonds can cause lower accuracy. Test starts automatically when probes are connected.

Continuous mode allows repeated measurements to be made on the same sample. Simply connect the test leads and press the test button. The measurement is updated every three seconds until the circuit is broken.

Inductive mode is selected when measuring resistance on, for example, motors and generators. When measuring inductive loads it is necessary to wait for the voltage to
stabilize as the inductive element is charged. Test leads are firmly connected to the device under test and the 'Test' button pressed. The instrument will pass the selected current
through the sample continuously in one direction only and take repetitive readings that will gradually decrease to the true value as the voltage stabilizes. The operator decides
when the result is stable and presses the 'Test' button to terminate the test.

Applications

The DLRO10HD measures low resistance values in applications ranging from railways and aircraft to resistance of components in industry.

Any metallic joint can be measured but users must be aware of measurement limitations depending on application. For example, if a cable manufacturer plans to make resistive
measurements on a thin wire, a low test current should be selected to prevent heating the wire thereby changing its resistance.

Measurements on electric motors and generators will be inductive and require the user to understand the inductive mode and charging process before a correct result is achieved.

The DLRO10HD is well suited to measuring thick conductors, bonds and quality of welding because of its 10 A range for resistance values up to 250 mΩ.

Electromagnetic noise induced into the leads can interfere with a reading. A noise symbol alerts the user and prevents a measurement when the instrument detects noise above its
threshold.

When dissimilar metals are joined a thermocouple effect is created. Users should select a bidirectional mode to ensure cancellation of this effect. The instrument measures with current flowing in both directions and averages the result.

Normal mode is initiated by pressing the 'Test' button after connecting the test leads to the unit under test. Continuity of all four connections is checked. Current is applied in both forward and reverse direction following which measurement is displayed.

Automatic mode is started as soon as the probes make contact. Forward and reverse current measurements are made and the average value is displayed. This mode is ideal when working with the supplied DH4 handspikes. Each time the probes are removed and reconnected to the load a new test will be performed without the need to press the test button.



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9mm camera diameter and 2.5" color TFT LCD monitor. Saves high resolution images and records video.

Features

Camera and video functions save high resolution images and video
Comfortable pistol grip design
High resolution 2.5" color LCD monitor
9mm waterproof (IP67) camera head
Gooseneck cable retains configured shape
Cable expandable up to 30 ft. (~9m) with extensions (optional)
Four high visibility LED lights provide illumination in dimly lit environments
Expandable memory up to 32Gb (SD card sold separately)
180° mirror rotation function
Low battery indicator and auto shut off




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Features


Built-in laser pointer identifies target area
User selectable °F or °C
12:1 distance to spot size ratio
Digitally adjustable emissivity
Max and Min readings
Backlit display
High and low alarms
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