Megger DET3TC Digital Ground Tester Specifications

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Megger_DET3TCThe risks from ground system deterioration include potentially deadly electrical shock situations, plant-wide equipment damage, disruption in the performance of sensitive equipment and heat build-up on a single piece of electrical equipment.

The Megger DET3TC Digital Ground Tester has the capability of testing on-site grounds without disconnecting the utility connection.

 

 

Megger DET3TC Digital Ground Tester Specifications

Resistance range: 0.01 to 2000 autoranging

Resistance accuracy:

2P measurements 2% ±3 digits

3P measurements 2% ±3 digits

ART measurements5% ±3 digits

Maximum probe resistance

Rp limit: 100kΩ (50V output voltage)

Rc limit: 100kΩ (50V output voltage)

Limits reduced to 50kΩ for 25V output voltage

Limits reduced to 5kΩ for 0.01 Ω resolution

Earth voltage range: 0 – 100 V

Earth voltage accuracy: 2% ±2 V

2- and 3-wire test: Yes

ART (Attached Rod Technique): Yes

Ground current range (with current measuring clamp): 0.5 mA to 19.9 A

Ground current accuracy: 5% ±3 digits

Display: LCD

Test frequency: 128 Hz

Test voltage: 25 V or 50 V, user selectable (factory setting 50 V)

Test current: 450 micro-amps

Noise rejection: 40V pk to pk

Noise check: Automatic

C spike check: Automatic

P spike check: Automatic

Maximum current loop resistance: 100 k-ohms at 50V, 50 k-ohms at 25 V and 5 k-ohms for 0.01 ohm resolution for readings below 19 ohms

Maximum voltage probe resistance: 100 k-ohms at 50V, 50 k-ohms at 25 V and 5 k-ohms for 0.01 ohm resolution for readings below 19 ohms

Battery type: 8 1.5 V AA cells

Battery life: 3 hours, 700 consecutive tests

Safety: EN61010-1 CAT IV 100 V

Terminals: 4 mm plug type (test leads)

Ingress protection: IP54

EMC: Meets the requirements of EN61326-1:1998 for use in heavy industrial areas

Dimensions: 8 x 5.7 x 3.2 in. (203 x 148 x 78 mm)

Weight: 2.2 lb (1 kg)

Operating temperature range: -5º to +131º F (-15º to +55º C)

Storage temperature range: -40º to +158º F (-40º to +70º C)

Humidity: 95% RH non-condensing at 104º F (40º C)

Available for rent, lease, or purchase from Protec Equipment Resources.  We are here to help you with your testing equipment needs.


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