RCDT300 - Measuring equipment Megger - Free user manual and instructions
Find the device manual for free RCDT300 Megger in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | RCD Tester (Residual Current Device Tester) |
| Brand | Megger |
| Model | RCDT300 |
| Dimensions (approx.) | 200 x 100 x 50 mm (7.9 x 3.9 x 2.0 in) |
| Weight (approx.) | 0.5 kg (1.1 lb) |
| Power Supply | 4 x AA batteries (1.5 V each) or rechargeable equivalent |
| Measurement Functions | RCD trip time, trip current, contact voltage, insulation resistance (optional) |
| RCD Types | AC, A, B, S (selective), G (general) |
| Test Current Range | 10 mA to 500 mA (depending on RCD type) |
| Trip Time Measurement | 0 ms to 500 ms with resolution 0.1 ms |
| Contact Voltage Measurement | 0 V to 100 V AC, resolution 0.1 V |
| Insulation Resistance | 0.01 MΩ to 200 MΩ at 250 V or 500 V (if equipped) |
| Safety Rating | CAT III 300 V, double insulation |
| Display | LCD with backlight, 4-digit |
| Memory | Store up to 200 test results with date/time |
| Interface | USB for data transfer (optional) |
| Operating Temperature | -10°C to +50°C (14°F to 122°F) |
| Storage Temperature | -20°C to +60°C (-4°F to 140°F) |
| Humidity | Up to 85% RH non-condensing |
| Accessories Included | Test leads, alligator clips, battery, manual |
| Maintenance | Clean with dry cloth; calibrate annually |
| Spare Parts Availability | Test leads, battery cover, fuse |
| Reparability | Serviceable by authorized center; no user-serviceable parts |
| Compliance | IEC 61557-6, IEC 61010-1 |
Frequently Asked Questions - RCDT300 Megger
What types of RCDs can the Megger RCDT300 test?
The RCDT300 can test AC, A, B, S (selective), and G (general) type RCDs.
How do I change the batteries in the RCDT300?
Open the battery compartment on the rear panel. Remove old batteries and insert 4 new AA batteries, observing correct polarity. Close the compartment securely.
What is the trip time measurement range?
The trip time is measured from 0 ms to 500 ms with a resolution of 0.1 ms.
Can I use the RCDT300 on live circuits?
The RCDT300 is designed to test RCDs in live circuits safely, but always follow the safety instructions in the manual and use appropriate personal protective equipment.
How do I store test results?
After each test, press the Store button. The device can store up to 200 results with date and time stamp.
What does the contact voltage measurement show?
It measures the voltage that would appear across a human body if a fault occurs, indicating the safety of the installation.
Is the RCDT300 calibrated?
The device is factory calibrated. For accuracy, annual recalibration is recommended by an accredited laboratory.
What accessories come with the RCDT300?
Standard accessories include test leads with alligator clips, a set of batteries, and a user manual.
Can I test RCBOs with the RCDT300?
Yes, the RCDT300 can test RCBOs (Residual Current Circuit Breakers with Overcurrent protection) as long as the RCD function is accessible.
What safety precautions should I take?
Always use the device according to CAT III 300 V rating. Do not use in wet conditions. Ensure test leads are in good condition. Disconnect power when not testing.
User questions about RCDT300 Megger
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Measuring equipment in PDF format for free! Find your manual RCDT300 - Megger and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. RCDT300 by Megger.
USER MANUAL RCDT300 Megger
Manual assistant
Powered by Anthropic
Waiting for your message
Product information
Brand : Megger
Model : RCDT300
Category : Measuring equipment