TV 297 - Uncategorized Testboy - Free user manual and instructions
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| Type | Digital Multimeter |
| Brand | Testboy |
| Model | TV 297 |
| Display | LCD, 2000 counts |
| DC Voltage Range | 200 mV to 600 V |
| AC Voltage Range | 200 V to 600 V |
| DC Current Range | 200 μA to 10 A |
| Resistance Range | 200 Ω to 20 MΩ |
| Capacitance Range | 2 nF to 200 μF |
| Frequency Range | 2 kHz to 200 kHz |
| Functions | AC/DC voltage, DC current, resistance, capacitance, frequency, continuity, diode test |
| Safety Rating | CAT III 600V |
| Auto-ranging | Yes |
| Data Hold | Yes |
| Power Supply | 2 x AAA batteries (1.5V) |
| Dimensions (approx.) | 147 x 70 x 35 mm |
| Weight (approx.) | 180 g (including batteries) |
| Accessories Included | Test leads, batteries, user manual |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -10°C to 50°C |
| Overrange Indication | Display shows "OL" |
| Low Battery Indication | Battery symbol on display |
| Auto Power Off | After approx. 15 minutes |
Frequently Asked Questions - TV 297 Testboy
How do I measure DC voltage with the Testboy TV 297?
Set the rotary switch to the DC voltage range (V⎓). Connect the black test lead to the COM jack and the red test lead to the V/Ω/Hz jack. Touch the probes to the circuit under test and read the display. Start with the highest range if unsure.
How do I check continuity?
Turn the dial to the continuity/ diode test position (usually a symbol like a buzzer). Connect the test leads as for voltage. If the circuit resistance is less than about 50Ω, the buzzer sounds and the display shows the resistance.
What does 'OL' on the display mean?
'OL' stands for Overload. It means the measured value exceeds the selected range. Switch to a higher range, or if the highest range is used, the input is too high for the meter. Safety: do not exceed the rated limits.
How do I replace the batteries?
Turn the meter off and remove the test leads. Unscrew the battery cover on the back. Replace the two AAA batteries, ensuring correct polarity. Reattach the cover and screws.
Can the Testboy TV 297 measure AC current?
No, the TV 297 measures only DC current. For AC current, you would need a clamp meter or a multimeter with AC current capability. The TV 297 is designed for DC current up to 10A.
What is the maximum voltage I can safely measure?
The TV 297 is rated CAT III 600V. This means it can safely measure up to 600V AC/DC in circuits with a CAT III rating (e.g., distribution boards). Do not exceed 600V.
How do I measure resistance?
Set the rotary switch to the resistance (Ω) range. Connect the test leads as for voltage. Ensure the circuit is de-energized and capacitors are discharged. Touch the probes across the component and read the display.
Does the TV 297 have a data hold function?
Yes, press the 'HOLD' button to freeze the displayed reading. Press it again to release. This is useful for capturing readings in hard-to-reach places.
How often should I calibrate the multimeter?
For general use, calibration every 12 months is recommended to ensure accuracy. If the meter is used heavily or in critical applications, calibrate more frequently. Refer to the manual for specific calibration procedures.
What does the 'Auto Power Off' feature do?
To save battery, the TV 297 automatically turns off after about 15 minutes of inactivity. To wake it up, turn the rotary switch to OFF then back to the desired function. This can be disabled; see manual.
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USER MANUAL TV 297 Testboy
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Product information
Brand : Testboy
Model : TV 297
Category : Uncategorized