4118A - Measuring equipment Kyoritsu - Free user manual and instructions
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| Product Type | Insulation Resistance Tester (Megohmmeter) |
| Brand | Kyoritsu |
| Model | 4118A |
| Category | Measuring Equipment |
| Display | LCD with backlight |
| Insulation Resistance Range | 0.1 MΩ to 2000 MΩ |
| Test Voltages | 250 V, 500 V, 1000 V |
| Voltage Measurement | AC/DC up to 600 V |
| Continuity Test | Yes, with buzzer |
| Power Supply | 6 x 1.5V AA batteries or rechargeable |
| Dimensions | Approx. 200 x 100 x 50 mm |
| Weight | Approx. 600 g (including batteries) |
| Safety Rating | CAT III 600V |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Main Functions | Insulation resistance, voltage, continuity, auto-discharge, data hold |
| Accessories Included | Test leads, alligator clips, soft case, manual |
| Maintenance & Cleaning | Wipe with dry cloth; avoid solvents |
| Safety Precautions | Do not use on live circuits above rated voltage |
| Reparability | Replaceable fuse and batteries; service by qualified personnel |
Frequently Asked Questions - 4118A Kyoritsu
How do I change the batteries in the Kyoritsu 4118A?
Open the battery compartment cover on the back. Replace all six AA batteries with new ones, observing correct polarity. Do not mix old and new batteries.
What test voltages does the 4118A support?
The 4118A supports test voltages of 250 V, 500 V, and 1000 V for insulation resistance measurements.
Can I measure voltage with the 4118A?
Yes, the device can measure AC and DC voltage up to 600 V. Turn the rotary switch to the V position.
How do I perform a continuity test?
Select the continuity test mode (often marked with a diode/buzzer symbol). Connect the test leads; the buzzer sounds if the resistance is below approximately 30 Ω.
What is the maximum insulation resistance measurable?
The maximum measurable insulation resistance is 2000 MΩ (2000 megohms).
How do I store the device safely?
Store in a dry place at temperatures between -20°C and 60°C. Remove batteries if storing for long periods.
Is the Kyoritsu 4118A safe for use on live circuits?
The instrument is rated CAT III 600V. Do not use on circuits exceeding 600 V. Always follow safety precautions.
How often should the device be calibrated?
Calibration is recommended annually or after any suspected damage. Return to a certified lab for calibration.
What accessories come with the 4118A?
Typically includes test leads, alligator clips, a soft carrying case, and the instruction manual.
Can I test capacitors with the 4118A?
The 4118A is not designed for capacitance measurement. Use a dedicated capacitance meter for that purpose.
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USER MANUAL 4118A Kyoritsu
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Product information
Brand : Kyoritsu
Model : 4118A
Category : Measuring equipment