Metex M 4650cr Pdf 12 Hot [2021] -

For detailed and accurate specifications, referring to the official datasheet or user manual (version 12 or latest) is recommended. The Metex M-4650CR likely has detailed specs on:

Built-in RS-232C serial interface for data logging and computer integration.

: Information regarding the 2A/250V fast-acting fuse for the standard current jack (note: the 20A jack is typically unfused). or trying to the meter's precision? metex - Mikrocontroller.net metex m 4650cr pdf 12 hot

Measures AC/DC voltage, current, resistance, frequency, and capacitance.

| Function | Range | Resolution | Accuracy | |---|---|---|---| | | 200 mV | 10 µV | ±(0.05% + 3 digits) | | | 2 V | 100 µV | ±(0.1% + 5 digits) | | | 20 V | 1 mV | | | | 200 V | 10 mV | | | | 1000 V | 100 mV | | | AC Voltage (VAC) | 200 mV | 10 µV | ±(0.5% + 10 digits) | | | 2 V | 100 µV | | | | 20 V | 1 mV | | | | 200 V | 10 mV | ±(0.8% + 5 digits) | | | 750 V | 100 mV | | | DC Current (ADC) | 2 mA | 100 nA | ±(0.3% + 3 digits) | | | 200 mA | 10 µA | ±(0.5% + 3 digits) | | | 20 A | 1 mA | ±(0.8% + 5 digits) | | AC Current (AAC) | 2 mA | 100 nA | ±(0.8% + 10 digits) | | | 200 mA | 10 µA | ±(1.0% + 10 digits) | | | 20 A | 1 mA | ±(1.2% + 15 digits) | | Resistance (Ω) | 200 Ω | 0.01 Ω | ±(0.2% + 10 digits) | | | 2 kΩ | 0.1 Ω | ±(0.15% + 3 digits) | | | 20 kΩ | 1 Ω | | | | 200 kΩ | 10 Ω | | | | 2 MΩ | 100 Ω | ±(0.5% + 5 digits) | | | 20 MΩ | 1 kΩ | | | Capacitance (F) | 2000 pF | 0.1 pF | ±(2.0% + 20 digits) | | | 200 nF | 10 pF | | | | 20 μF | 1 nF | ±(3.0% + 30 digits) | | Frequency (Hz) | 20 kHz | 1 Hz | ±(2.0% + 5 digits) | | | 200 kHz | 10 Hz | | Note: Accuracies for DC Voltage at 200mV/2V/20V/200V are from the manual; for 1000V range, accuracy is ±(0.1% + 5 digits). AC specifications are as shown; for 200mA AC range, accuracy is ±(0.8% + 10 digits) with an additional specification of ±(1.0% + 10 digits) for the 200mA range; for 20A AC range, accuracy is ±(1.0% + 10 digits). Many accuracies are given as "% of reading (rdg) + number of digits". For detailed and accurate specifications, referring to the

The integrated RS-232 interface was a key selling point and remains a significant feature for those who wish to use the M-4650CR for data logging and automated measurements. The manual explicitly states that it can be used with a PC via its built-in RS-232C serial port.

Page 2. M4650CR/M4630CR Familiarization. 1. LCD, (4% Digit; Max 9999) with 41 point bar graph. 2. Power on-off switch (auto power- Mikrocontroller.net Metex M-4650CR Operating Manual or trying to the meter's precision

print("Reading from Metex M-4650CR. Press Ctrl+C to stop.") try: while True: # Read a line from the serial buffer line = ser.readline().decode('ascii', errors='ignore') if line: # Strip newline characters and print print(f"Data: line.strip()") time.sleep(0.1) # Small delay to prevent CPU overuse except KeyboardInterrupt: print("Logging stopped.") finally: ser.close()

RS-232 interface for data logging, REL/HOLD, and Frequency/Capacitance measurement 1.2.1.

The “12” could refer to a 12V automotive or power supply circuit. “Hot” implies a live measurement. The user needs the manual to confirm input protection (e.g., PTC thermistors and MOVs) when measuring a “hot” 12V rail.