Model MI 2124
Earth Resistance / True RMS Current Test Set
Description

The MI2124 is a lightweight and portable Earth resistance and True RMS Current measuring test set. This unit also provides specific earth resistance (ρ) measurements.

  • Tests include: 2-pole, 3-pole, or 4-pole earth resistance measurements
  • Selective Earth resistance measurements with clamp (no influence from parallel earths)
  • Two clamp earth measurement for quick testing in urban areas
  • Warning indicators for out of limits results and incorrect test conditions
  • Internal memory for up to 1000 measurements
  • PC software available – provides easy and fast arrangements of results
  • Battery operated
  • 3-Year warranty
Technical Specifications
EARTH RESISTANCE (four-lead method)

Display range:
Resolution:
Basic accuracy:
Test voltage:
Short-circuit test current:
High noise rejection:
Automatic potential and
current probe resistance test:

0 to 19.99 kΩ
0.01, 0.1, 1, 10 Ω
± 2 % + 3 digits …0 to 2 kΩ
< 40 V / 125 Hz / sine wave
< 20 mA
Yes

Yes
 
EARTH RESISTANCE (four-lead method + clamp) – Option A1018

Display range:
Other characteristics:

0 to 1.99 kΩ
See four-lead method
   
EARTH RESISTANCE (two clamps) – Options A1018 and A1019

Display range:
Basic accuracy:

0 to 19.99 kΩ, 20 to 100 Ω
± 10 % + 2 digits …± 20 %
   
SPECIFIC EARTH RESISTANCE

Display range:
Calculation:
Distance between test rods:
Other characteristics:

0 to 1999 kΩm (kΩft.)
ρ = 2 πaR
E
1 to 30 m (1 to 90 ft.)
See four-lead method
 
CURRENT (True RMS) – Options A1018 and A1019

Measurement principle:
Display Range:
Resolution:
Basic accuracy:
Nominal frequency:

current clamp 1 A / 1 mA
0 to 200 A
0.1, 1 mA; 0.01, 0.1, 1 A
± 5 % + 5 digits … 0.5 mA to 200 A
50 / 60 Hz
General

Power supply:
Visual and acoustic warnings:
Display: Custom design
Memory storage:
Computer connection:
Protection Classification:
Over-voltage Category:
Protection Degree:
Working Temp. Range:
Max. Humidity:
Auto power off:
Dimensions:

Weight (unit only):

6 V (4 x 1.5 V IEC LR14)
Yes
Custom design LCD
Internally stores up to 1000 measurements
RS-232
II - double insulation
CAT III / 300 V or CAT II / 600 V
IP 54
0 to 40 °C
85 % RH (0 to 40 °C)
Yes
3.7 in. (9.5 cm) x 6.1 in. (15.5 cm) x 7.4 in.
(19 cm)
2.8 lbs. (1.3 kg)
Standard Accessories

Test lead set includes:
    • H test lead (blue), 20 m (65.6 ft.), with small clip attached
    • S test lead (red), 15 m (49.2 ft.), with small clip attached
    • ES test lead (green), 4.5 m (14.7 ft.), with small clip attached
    • E test lead (black), 4.5 m (14.7 ft.), with small clip attached
Earth test rods, Qty. 4
Batteries – Alkaline 1.5 V, Qty. 4
Operation manual
Test Certificate

Options

A1006 – Instrument soft carry case with shoulder strap

A1020 – Small soft carry case with shoulder strap

A1007 – Instrument carry strap

A1018
Low Range Clamp 0.5mA up to 200 A
A1019

Standard Range Clamp 10mA up to 200 A
     

A1050 – Smart Link PC software with RS-232 cable (for Windows 95 / 98 / 2000 / NT / XP)

 
    SPECIFICATIONS ARE SUBJECT TO IMPROVEMENT AT ANY TIME.  



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