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Metrel MI3295S Step Contact Voltage Measuring System – Standard Set

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MI3295S

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Metrel MI3295S Step Contact Voltage Measuring System – Standard Set

Description

The Metrel MI3295 Step Contact Voltage Measuring System can be used to check and test protective earthing in power stations, substations and various other power systems.

This system consists of a station for generating current and an autonomous voltage meter. Inclusion of an autonomous step voltage meter removes the need for long potential leads and enables several meters to be used together. When several voltage meters are used together they can analyse voltage distribution around the tested object more quickly.

Grounding of Pylons | Electrical Energetic Systems Earthing | MI 3295, MI 3290 | Instructional

The Metrel MI3295 Step Contact Voltage Measuring System’s combined current generation station and autonomous voltage meter equips it with several measurement functions including:

Step voltage
Contact voltage
Specific earth resistance
Potential
Leakage current

Effective noise cancellation and a high test current of up to 55A enable the Metrel MI3295 Step Contact Voltage Measuring System to measure step and contact voltages to high accuracy and a resolution of 10µV. The Metrel MI3295 Step Contact Voltage Measuring System is immune to noise caused by changing earth currents.

Test parameters and results are recorded to the Metrel MI3295 Step Contact Voltage Measuring System’s three-tier internal memory. This information can be downloaded, analysed and organised into reports using the included Metrel ES Manager and HVLink Pro Software.

This lightweight system (29.5 kg) has a low output voltage (55V) and therefore a high safety rating. The Metrel MI3295 Step Contact Voltage Measuring System is a safe, simple-to-use, speedy voltage measuring system optimised for checking protective earthing in various power systems.

Metrel MI3295 Step Contact Voltage Measuring System Key Features

Check and test protective earthing in power stations, substations and various other power systems
Consists of a station for generating current and an autonomous voltage meter
Autonomous voltage meter: no need for long potential leads
Several voltage meters can be used together to analyse voltage distribution around the tested object quickly
Measure step voltage
Measure contact voltage
Measure specific earth resistance
Measure potential
Measure leakage current
Effective noise cancellation and a high test current (up to 55A) for high-accuracy step and contact voltage measurements
Immune to noise caused by changing earth currents
Test parameters and results are saved to the three-tier internal memory
Download, analyse and organise recorded data into reports using Metrel’s ES Manager and HVLink Pro Software
Lightweight: 29.5 kg
Low output voltage: 55V
High safety rating
Safe, simple-to-use and speedy voltage measuring system

Applications

Electrical Power Systems	Power Plants
	Distribution
	Safety
	Earthings / Funnels
Special Installations / Locations	Railway Systems
Industrial Systems	LV Installations Safety / Quality

What’s Included?

Metrel MI3295 Step Contact Voltage Measuring System (Instruments MI3295M and MI3295S)
Mains Cable
A1353 Step Voltage Probe (25 kg) (2x packs)
A1529 Current Earth Spike (2x packs)
A1629 Potential Earth Spike, 60cm (2x packs)
A1325 Black, 50m, 10mm² Current Test Lead on Wheel with Crocodile Clip
A1392 Black, 10m, 10mm² Current Test Lead on Wheel with Crocodile Clip
A1530 G Clamp
2x Black 3m Test Leads
Green 10m Test Lead
Black 1.5m Test Lead
Green 4m Test Lead
Red 50m Test Lead
Red 1m Connection Lead with Crocodile Clip
Crocodile Clip (2x packs)
RS232 Cable
USB Cable
Soft Carrying Bag (2x packs)
Soft Carrying Neck Belt
NiMH Battery Cell, Type AA (6x packs)
Power Supply Adapter
CD with Instruction Manual and Metrel ES Manager and HV Link Pro Software
Instruction Manual
Calibration Certificate

Tech Specs

Metrel MI3295 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	calculated value*
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