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Metrel MI 3295 Step Contact Voltage Measuring System

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MI3295
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Metrel’s MI 3295 is a high accuracy voltage measuring system, designed for the testing and verification of protective earthing of power stations, substation, distribution towers and other power systems.

This small and compact unit includes an MI 3295S Station capable of generating current up to 55A and an autonomous voltage meter which eliminates the need for long voltage leads. The tester produces high accuracy results thanks to the excellent noise immunity against changing earth currents and can produce a resolution of 10 µV.

Store test results on the internal downloadable memory, which can be later transferred to a PC and analysed on Metrel’s PC SW HVLink PRO, meaning your results are always safe and can easily be recalled and reviewed at any time.

Functions

  • Measurement of step voltage and contact voltage – Also known as “step and touch voltage tests” ideal for high voltage transmission systems, fences around substations and other critical locations to ensure the safety of people and animals surrounding the area.
  • Measurement of earthing resistance with a resolution of 1 mO
  • Measurement of specific earth resistance

Key Features

  • Highly accurate results thanks to effective suppression of noise and immunity against changing earth currents
  • High safety due to a low output voltage (55 V)
  • Autonomous Step Voltage meter means no need for long voltage leads
  • Low weight

What’s Included?

  • Metrel MI 3295M Meter
  • Metrel MI 3295S Station
  • Metrel HVLink Pro software
  • Mains cable
  • Step voltage probe (25 kg), 2 pcs
  • Current earth spike
  • Potential earth spike
  • 50m Current test lead with crocodile clip, on wheel
  • 10m Current test lead with Crocodile clip
  • 2 x 3m Test Leads
  • 10m Test lead
  • 1.5m Test lead
  • 50m Test lead
  • Connection lead with crocodile clip
  • 4 x Crocodile clips
  • RS232 cable
  • USB cable
  • Soft carrying bag with a neck strap
  • 6 x NiMH battery cells, type AA
  • Power supply adaptor
  • Instruction Manual
  • Calibration Certificate
Accessories related to this product:
Part CodeMI3295

MI 3295 Step Contact Voltage Measuring System Technical Specifications

Function Measuring range Resolution  Accuracy
Step voltage, Contact voltage (measuring range Um) 0.01 … 19.99 mV 0.01 mV ±(2% of reading + 2 digits)
20.0 ... 199.9 mV 0.1 mV
200 ... 1999  mV 1 mV
2.00 ... 19.99 mV 0.01 V
20.0V ... 59.9 V 0.1 V
Step voltage, Contact voltage (calculated measuring range U) 0.0 ... 199.9 V 0.1 V calculated value*
200 ... 999 V 1 V
Test current 55 A max
Test voltage < 55 V
Test frequency  55 Hz
Input resistance  Selectable 1 MΩ / 1k
Current 0.00 ... 9.99 A 0.01 A ±(3% of reading + 5 digits)
10.0 ... 99.9 A 0.1 A ±(3% of reading + 3 digits)
Resistance to earth 0.001 … 1.999 Ω 0.001 Ω ±(2% of reading + 5 digits)
2.00 ... 19.99 Ω 0.01 Ω ±(2% of reading + 5 digits)
20.0... 99.9 Ω 0.1 Ω ±(2% of reading + 5 digits)
100.0 ... 199.9 Ω  0.1 Ω ±(5% of reading)
Open circuit voltage < 50 VAC
Test current < 7.5 A
Test frequency  55 Hz
General
Station
Power supply 230 V / 50 or 60 Hz
Communication port  RS232
Memory 1000 memory locations
Overvoltage category  CAT II / 300 V
Measuring category  CAT IV / 50 V
Protection degree IP 30
Display LCD, 128 x 64 dots, with backlight
Dimensions 563 x 275 x 257 mm
Weight 29.5 kg
Meter
Power supply 6 x 1.2 V rechargeable battery, type AA 
Operation time 12 h (typical)
Communication ports  USB, RS232
Memory 1500 memory locations
Measuring category  CAT IV / 50 V
Protection degree IP 40
Display LCD, 128 x 64 dots, with backlight
Dimensions 230 x 103 x 115 mm
Weight 1.3 kg

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