MZC-304F - Measuring equipment Sonel - Free user manual and instructions
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| Product Type | Loop Impedance Meter |
| Dimensions (approx.) | 220 x 100 x 45 mm |
| Weight (approx.) | 0.5 kg |
| Power Supply | 4 x AA batteries (1.5V) |
| Measurement Functions | Short-circuit loop impedance (L-N, L-PE, N-PE), earth resistance, AC voltage, frequency, phase sequence |
| Display | Digital LCD with backlight |
| Safety Rating | CAT III 600V, CAT IV 300V |
| Protection | IP54 (dust and splash water) |
| Operating Temperature | -10°C to 50°C |
| Memory | Up to 1000 measurement records |
| Connectivity | USB (data transfer) |
| Accessories Included | Test leads, crocodile clips, battery, manual, carrying case |
| Maintenance | Clean with a dry cloth; avoid solvents and moisture. |
| Spare Parts Available | Test leads, fuse, battery compartment cover |
| Repairability | User-replaceable batteries and fuses; other repairs by authorized service |
| Standards Compliance | EN 61557, EN 61010-1 |
Frequently Asked Questions - MZC-304F Sonel
How do I power on the MZC-304F?
Press and hold the ON/OFF button for 2 seconds until the display lights up.
What batteries does the MZC-304F use?
It uses 4 AA 1.5V alkaline batteries. Rechargeable NiMH batteries are also compatible.
How to measure loop impedance?
Select the LOOP function, connect the test leads to L, N, and PE, then press the START button.
Can I measure earth resistance with this device?
Yes, the MZC-304F includes an earth resistance measurement mode using the 3-pole method.
What is the maximum voltage rating?
The device is rated CAT III 600V and CAT IV 300V. Do not exceed these limits.
How to replace the fuse?
Open the battery compartment, remove the blown fuse (500mA/600V), and replace with an identical type. Only use Sonel specified fuses.
How to transfer data to a PC?
Connect the device via USB cable. Use the Sonel Reader software to download measurement records.
What does the 'LO' symbol mean?
The LO symbol indicates low battery. Replace all batteries as soon as possible.
Is the MZC-304F waterproof?
It has an IP54 rating, meaning it is splash-proof and dust-resistant but not submersible.
Where can I find the user manual?
The manual is available for free download on notice-facile.com in PDF format.
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USER MANUAL MZC-304F Sonel
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Product information
Brand : Sonel
Model : MZC-304F
Category : Measuring equipment