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Megger DET4TC2 Digital Ground Tester
Includes: Hard carry case, stake and wire kit (15m, 10m, 10m, 3m) and DET4TC2 Calibration Certificate.
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The Megger DET4TC2 is designed for extended temperature range use with an IP54 rated enclosure making it a genuinely outdoor instrument. The instrument provides all the functions required for ground system testing: variable frequency 2 pole, 3 pole, 4 pole, Attached Rod Technique (ART), stakeless, leakage current and ground noise voltage measurement.
The instrument is easy to use with a large rotary selector switch and one-press test button, both of which permit operation with gloved hands. Unlike some instruments, the design negates the need for a shorting link when making two pole measurements.
2, 3 and 4 point testing.
Attached Rod Technique (ART).
User selectable test frequency.
Dry cell or rechargeable versions.
User selectable output voltage.
Simple one button operation.
Robust carry case.
Delivered with calibration certificate.
|C Stake, P Stake and Noise Checks||Automatic.|
|Noise Rejection||40 V peak to peak.|
|2 wire, 3 wire and 4 wire tests||Yes with no shorting links required.|
|No disconnect testing (ART)||Yes, with ICLAMP.|
|Stakeless Measurements||Yes, with ICLAMP and VCLAMP.|
|Instrument Output||Voltage: ±25 V or ±50 V at 94 Hz, 105 Hz, 111 Hz and 128 Hz
Current: 4.5 mA or 0.45 mA or 0.045 mA.
|Ground Current Range with Clamp||0.5 mA to 19.9 A.|
|Ground Current Accuracy||5% ±3 digits.|
|Ground Voltage Range||0 to 100 V AC.|
|Ground Voltage Accuracy||2% ±2 V.|
|Resistance Range||0.01 Ω to 200 kΩ.|
|Resistance Accuracy||2P measurements: 2% ±3 digits
3P measurements: 2% ±3 digits
4P measurements: 2% ±3 digits
ART measurements: 5% ±3 digits
Stakeless measurements: 7% ±3 digits.
|Maximum Probe Resistance||Rp limit: 200 kΩ (50 V output voltage)
Rc limit: 200 kΩ (50 V output voltage)
Limits reduced to 100 kΩ for 25 V output voltage
Limits reduced to 5 kΩ for 0.01 Ω resolution.
|Display||31⁄2 digit high contrast liquid crystal, backlit.|
|Battery Type||DET4TC2: 8 off AA (LR6) cells
DET4TCR2: 8 off AA (LR6) NiMH rechargeable cells.
|Operating Temperature Range||-15 °C to +55 °C / 5 °F to 131 °F.|
|Storage Temperature Range||-40 °C to +70 °C / -40 °F to 158 °F.|
|Safety||Complies with the requirements of IEC 61010-1 100V CAT IV
between terminal pairs.
|EMC||In accordance with IEC61326-1.|
|Standards Compliance||Complies with the requirements of KEMA K85B
Complies with the following parts of EN61557, “Electrical safety in low voltage distribution systems
up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective
Part 1 - General requirements
Part 5 - Resistance to earth.
|Dimensions||203 mm x 148 mm x 78 mm (8 in x 5.8 in x 3 in).|
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|Case||Replacement hard carry case.||5410-429|
|Stakes||Replacement ground test stakes (x2) for included kit 200mm, 8mm dia.).||6220-804|
|Leads||Replacement ground test leads (x4) for included kit (15m, 10m, 10m, 3m).||6220-806|
|Charger||Replacement external AC/DC charger (DET4TR2 only).||6280-370|
|Cal Check||Calibration check box (25 ohm).||1000-435|
|Adaptors||Right angle terminal adaptor set.||6220-803|
|12 V Charger||Vehicle 12 V socket charger (rechargeable versions only).||6280-375|
|Pro Kit||Professional ground testing kit (2 x 50m, 2 x 30m, 4 auger stakes, tape measure, in hard carry case.||6320-245|