SMRT33 - Measuring equipment Megger - Free user manual and instructions
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| Product Type | Relay Test Set |
| Brand | Megger |
| Model | SMRT33 |
| Dimensions (H x W x D) | 250 mm x 400 mm x 350 mm |
| Weight | 18 kg |
| Power Supply | 100-240 V AC, 50/60 Hz |
| Output Voltage (AC) | 0-300 V, 0-120 A |
| Output Voltage (DC) | 0-300 V, 0-15 A |
| Main Functions | Relay testing, overcurrent, undervoltage, timing, impedance |
| Display | Color touchscreen, 7 inch |
| Accuracy | ±0.1% of reading |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Safety Compliance | IEC 61010-1, CAT II 600V |
| Maintenance | Annual calibration recommended |
| Cleaning | Wipe with dry cloth, no solvents |
| Spare Parts | Available from Megger authorized dealers |
| Repairability | Serviceable by qualified technicians |
Frequently Asked Questions - SMRT33 Megger
How do I perform a basic overcurrent relay test?
Connect the relay to the SMRT33 output terminals. Select the Overcurrent test mode from the touchscreen. Set the desired current and time parameters, then press Start. The device will inject current and measure the trip time.
What is the maximum output current?
The SMRT33 can deliver up to 120 A AC and 15 A DC into a short circuit. For continuous operation, refer to the derating curves in the manual.
Can I test distance relays with this unit?
Yes, the SMRT33 supports distance relay testing including impedance and reactance tests. Use the Distance test mode and enter the fault parameters.
How often should the device be calibrated?
Megger recommends annual calibration to maintain accuracy. You can send it to an authorized service center or use a calibrated reference meter for verification.
What safety precautions should I take?
Always use the provided test leads with safety shrouds. Ensure the device is grounded and the power cord is properly rated. Do not operate with the cover removed.
How do I update the firmware?
Download the latest firmware from the Megger website onto a USB drive. Insert the drive into the SMRT33 USB port, then navigate to System Settings > Firmware Update and follow the on-screen instructions.
What is the warranty period?
The SMRT33 comes with a 1-year warranty from the date of purchase. Extended warranties are available through Megger.
Can I connect the device to a PC?
Yes, use the Ethernet or USB port to connect to a PC. The included software allows for remote control and data logging.
How do I clean the touchscreen?
Use a soft, lint-free cloth slightly dampened with water. Do not use any solvents, ammonia-based cleaners, or abrasive materials.
What spare parts are available?
Common spares include test leads, fuses, and power supply modules. Contact Megger or an authorized distributor for specific parts.
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USER MANUAL SMRT33 Megger
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Product information
Brand : Megger
Model : SMRT33
Category : Measuring equipment