KEW 8309 - Measuring device Kyoritsu - Free user manual and instructions
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| Type of product | Digital Clamp Meter |
| Brand | Kyoritsu |
| Model | KEW 8309 |
| Display | LCD with 4000 counts |
| True RMS | Yes |
| AC Current (A) | 0.01 A to 600 A |
| DC Current (A) | 0.01 A to 600 A |
| AC Voltage (V) | 0.1 V to 600 V |
| DC Voltage (V) | 0.1 V to 600 V |
| Resistance (Ω) | 0.1 Ω to 40 MΩ |
| Frequency (Hz) | 0.01 Hz to 1 kHz |
| Continuity Check | Yes with buzzer |
| Jaw Opening | 30 mm diameter |
| Power Supply | 9V battery (6F22) |
| Dimensions | 215 x 68 x 42 mm |
| Weight | approx 280 g (including battery) |
| Safety Rating | CAT III 600 V, CAT IV 300 V |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -10°C to 50°C |
| Included Accessories | Test leads, carrying case, battery |
| Cleaning | Wipe with a dry, clean cloth |
| Spare Parts | Test leads and battery replaceable |
Frequently Asked Questions - KEW 8309 Kyoritsu
How do I measure AC current with the KEW 8309?
Set the rotary switch to the appropriate AC A range. Clamp the conductor inside the jaws, ensuring the jaws are completely closed. The reading will be displayed on the LCD. For best accuracy, center the conductor within the jaws.
How do I replace the battery?
Turn off the meter and remove the test leads. Unscrew the battery cover on the back, remove the old 9V battery, and insert a new one, noting the polarity. Reattach the cover and replace the screw.
What safety precautions should I take when using this clamp meter?
Always observe the safety categories: CAT III 600V and CAT IV 300V. Never measure circuits above the rated voltage. Use appropriate personal protective equipment and inspect test leads for damage before each use.
What is the jaw opening size?
The jaw opens up to 30 mm in diameter, suitable for conductors up to about 300 MCM or similar.
Does the KEW 8309 have True RMS measurements?
Yes, the KEW 8309 features True RMS measurement, which provides accurate readings for both sinusoidal and non-sinusoidal waveforms.
How do I measure resistance and continuity?
Turn the dial to the Ω (ohm) range. Connect the test leads across the component. For continuity, select the continuity mode, the buzzer sounds if resistance is below the threshold (typically < 50 Ω).
How should I clean and store the clamp meter?
Clean the housing with a dry, soft cloth. Do not use solvents. Store the meter in a dry place away from direct sunlight and extreme temperatures. Remove the battery if storing for a long period.
What is the maximum voltage and current rating?
The meter can measure up to 600 V AC/DC and 600 A AC/DC. The safety rating is CAT III 600V and CAT IV 300V.
Can the KEW 8309 measure DC current?
Yes, it measures both AC and DC current up to 600 A. Use the DC A setting and allow the reading to stabilize, as DC may show small drift.
What is the accuracy of the KEW 8309?
The basic accuracy for AC/DC voltage is ±1.2% of reading + 5 digits. For AC current, ±2.0% + 5 digits. Accurate over a frequency range of 50-60 Hz for current.
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USER MANUAL KEW 8309 Kyoritsu
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Product information
Brand : Kyoritsu
Model : KEW 8309
Category : Measuring device