UT50B - Multimeter Uni-T - Free user manual and instructions
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| Product Type | Digital Multimeter |
| Brand | Uni-T |
| Model | UT50B |
| Display | LCD, 2000 counts |
| DC Voltage Range | 200mV to 1000V |
| AC Voltage Range | 200V to 750V |
| DC Current Range | 200μA to 10A |
| Resistance Range | 200Ω to 200MΩ |
| Capacitance Measurement | 20nF to 200μF |
| Frequency Measurement | Up to 20kHz |
| Diode Test | Yes |
| Continuity Buzzer | Yes |
| Data Hold | Yes |
| Auto Range | No (Manual range) |
| Power Supply | 1 x 9V battery (6F22) |
| Dimensions | 179 x 88 x 39 mm |
| Weight | Approx. 350g (including battery) |
| Safety Rating | CAT II 1000V, CAT III 600V |
| Accessories Included | Test leads, battery, manual |
| Maintenance | Clean with dry cloth; replace battery when low |
| Spare Parts / Repairability | Fuses and test leads replaceable |
Frequently Asked Questions - UT50B Uni-T
How do I measure DC voltage with the UT50B?
Set the rotary switch to the DCV position (V with a straight line). Connect the test leads: red to VΩmA jack, black to COM. Touch the probes to the circuit. Read the value on the LCD.
What is the maximum voltage the UT50B can measure?
The UT50B can measure DC voltage up to 1000V and AC voltage up to 750V. Do not exceed these limits to avoid damage or injury.
How do I measure current with the UT50B?
To measure current, turn the dial to the appropriate A range (DC or AC). For currents up to 200mA, use the VΩmA jack; for up to 10A, use the 10A jack. Always connect the meter in series with the circuit.
Does the UT50B have an auto-ranging function?
No, the UT50B is a manual-ranging multimeter. You must select the appropriate range for the measurement to get accurate results. Start with the highest range and work down.
What does the 'Hold' button do?
The Data Hold button freezes the current reading on the display. Press it once to hold the value, press again to release. Useful for capturing measurements in hard-to-reach places.
How do I test continuity with the UT50B?
Turn the dial to the continuity/buzzer position (usually indicated by a diode or sound wave symbol). Connect the probes. If the resistance is low (typically less than 50Ω), the meter will beep, indicating a continuous path.
What battery does the UT50B use?
The UT50B uses a single 9V battery (type 6F22). When the battery is low, a battery symbol appears on the display. Replace it promptly to ensure accurate measurements.
How do I replace the fuse in the UT50B?
Disconnect test leads and turn off the meter. Remove the battery cover/bottom case. Locate the fuse (usually a glass tube fuse). Replace with the same type and rating (e.g., 10A/250V or 200mA/250V). Reassemble carefully.
What is the safety category of the UT50B?
The UT50B is rated CAT II 1000V and CAT III 600V, suitable for measuring on single-phase circuits and distribution boards. Always use appropriate personal protective equipment.
Can I measure capacitance with the UT50B?
Yes, the UT50B can measure capacitance up to 200μF. Turn the dial to the capacitance position (F symbol). Discharge the capacitor fully before measurement, then connect the probes.
User questions about UT50B Uni-T
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USER MANUAL UT50B Uni-T
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Product information
Brand : Uni-T
Model : UT50B
Category : Multimeter