3450 A - Multimeter PeakTech - Free user manual and instructions
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| Product Type | Digital Multimeter |
| Model | 3450 A |
| Brand | PeakTech |
| Display | LCD, max. 6000 counts |
| AC Voltage Range | 0.1 mV to 600 V |
| DC Voltage Range | 0.1 mV to 600 V |
| AC Current Range | 0.1 µA to 10 A |
| DC Current Range | 0.1 µA to 10 A |
| Resistance Range | 0.1 Ω to 60 MΩ |
| Capacitance Range | 1 nF to 100 mF |
| Frequency Range | 0.001 Hz to 10 MHz |
| Temperature Measurement | -20°C to 1000°C (with thermocouple) |
| Continuity Test | Audible buzzer < 30 Ω |
| Diode Test | Yes |
| Overload Protection | 600 V RMS |
| Power Supply | 2 x 1.5 V AAA battery |
| Dimensions | 150 x 70 x 30 mm |
| Weight | Approx. 200 g (with batteries) |
| Safety Rating | EN 61010-1, CAT III 600 V |
| Accessories Included | Test leads, thermocouple, manual, batteries |
| Maintenance | Clean with damp cloth; replace batteries when low |
| Spare Parts | Test leads, thermocouple, fuse (if applicable) |
Frequently Asked Questions - 3450 A PeakTech
How do I measure AC voltage with the PeakTech 3450 A?
Set the rotary switch to V~ (AC voltage) range. Connect the black test lead to the COM jack and the red test lead to the V/Ω jack. Probe the circuit in parallel and read the display.
What is the maximum voltage the multimeter can measure?
The PeakTech 3450 A can measure up to 600 V AC or DC. Do not exceed this limit to avoid damage or injury.
How do I test continuity?
Turn the dial to the continuity/buzzer symbol (usually a diode or sound wave icon). Insert the test leads as usual. Touch the probes together to verify the buzzer works, then test the circuit. A resistance below 30 Ω will trigger the beep.
Why does the display show 'OL'?
'OL' stands for Over Limit, meaning the measurement exceeds the selected range. Switch to a higher range or check if the circuit is open (for continuity).
How do I replace the batteries?
Turn off the meter and remove the test leads. Unscrew the battery cover on the back. Replace with two fresh 1.5 V AAA batteries, observing polarity. Replace the cover and tighten the screw.
Can I measure current without breaking the circuit?
No, to measure current you must connect the meter in series with the circuit. For currents above 600 mA, use the 10 A jack and switch the red lead accordingly.
What safety precautions should I take?
Always start with the highest range, do not measure voltage if the meter is set to current or resistance, and use proper personal protective equipment. The meter is rated CAT III 600 V for transient overvoltage.
How do I measure temperature?
Insert the thermocouple's adapter into the COM and V/Ω jacks (observe polarity). Set the dial to the temperature mode (°C or °F). Touch the thermocouple probe to the object and read the display.
The display is dim, what should I do?
Check the battery level. Replace with new AAA batteries if needed. The meter also has an auto-power-off feature; press any button or turn the dial to wake it up.
How do I measure resistance?
Ensure the circuit is de-energized. Set the dial to the Ω range. Connect test leads as usual. Touch the probes across the resistor or component. Read the value on the display.
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