KEW 1009C Digital Multimeter is a multi-function digital multimeter that can test voltage, current, resistance, capacitance, frequency and DUTY. The product is in line with safety regulations and has REL function, auto power off function, data retention function, diode and conductivity test function, automatic range function, frequency measurement function, DUTY (pulse width/pulse period with% display) measurement function and other features.
This manual explains safety warnings, proper handling, and measurement procedures for the KYORITSU KEW1009C digital multimeter. It covers voltage, current, resistance, capacitance, frequency and duty‑cycle measurements, as well as battery and fuse replacement.
The document also lists technical specifications such as measurement ranges, accuracy, input resistance, and physical dimensions, and describes the function keys (SELECT, RANGE, REL, HOLD, Hz/DUTY) used to operate the instrument. This manual is written in Chinese.
| Battery Type | 2 × AA (1.5 V) alkaline cells |
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The 10 A range can be used continuously for up to 15 seconds; longer periods may cause errors or damage.