Product Information:

• 1 year warranty
• Reliable, hand-driven insulation tester
• DC-DC converter
• Six models for different test voltages and MW ranges
• Convenient continuity range of 0 to 500 W full scale
• Model 240422 is a versatile 3 range tester

• Measuring Range:
  Earth Resistance: 0 to 10 to 100 to 1000 Ω (Min. Scale Div. 0.1 Ω)
  - Earth Voltage: 0 to 30V
• Scale: Earth Resistance:
  3-digit logarithmic continuous scale on measuring dial
  - Earth Voltage: Uniform scale on Galvanometer
  Accuracy:
  Earth Resistance:
   ±5% of 2 Ω (0.1 Ω or min. one div.) in the range of 0 to 2 Ω
   ±2.5% of 20 Ω (0.5 Ω or min. one div.) in the range of 2 to 20 Ω
   ±2.5% of 200Ω (5 or min. one div.) in the range of 20 to 200 Ω
   ±5% of 1,000 Ω (50 or min. one div.) in the range of 200 to 1000 Ω
• Earth Voltage:
   ±5% of full scale value
• Measuring Frequency:
  500 Hz
• Ambient Temperature Influence:
  Variation in indication is within one scale division for temperature change by 20 ±20
  deg.C
• Battery Voltage Influence:
  Accuracy is maintained within specified limit even if voltage decreases to 4V under
  operating condition
• Earth Voltage Influence:
  Variation in indication is within the corresponding one scale division for the earth
  voltages of up to 10V at commercial frequency.
• Power Source:
  Four 1.5V batteries (JIS SUM-1, ANSI D, Mono 1.5V or equivalent)
• Insulation Resistance:
  More than 20M Ω at 500V DC between terminals and case
• Dimensions:
  Approx. 122 x 190 x 124mm, not including accessories
• Weight:
  Approx. 1.5 kg for instrument only. Approx. 3.5 kg including all accessories
• Accessories supplied at no extra cost:
  Measurement leads 3pcs (green 5 m for earth plate, yellow 10 m for potential, and red 20 m), earth spikes 2pcs (one each for potential and current), carrying case 1pc, accessory storage bag 1pc