MS2138R Mastech

MASTECH MS2138R Digital AC/DC Clamp Meter: Comprehensive Measurement Tool

The MASTECH MS2138R is a reliable digital clamp meter designed for a wide range of electrical measurement tasks. With its multifunctional capabilities and user-friendly features, this tool is ideal for both professionals and hobbyists.

Key Features:

• Multifunctional Measurement: AC/DC voltage, AC/DC current, resistance, capacitance, frequency, and duty cycle.
• Auto and Manual Ranging: Provides flexibility in measurement modes.
• True RMS: Provides accurate readings for both linear and non-linear loads.
• Max Jaw Opening: Ф40mm/1.6".
• Max Display: 4000 counts for readings.
• Data Hold: Allows for easy recording of measurements.
• Relative Measurement: Eliminate low resistance or impedance on the test leads during measurements.
• Backlight and Work Light: Ideal for use in dimly lit environments.
• Bar Graph: Displays real-time signal changes.
• Safety Certified: CAT III 600V rating for secure operation.
• Additional Features: Includes continuity buzzer, diode test, auto power off, and low battery display.

Specifications:

• DC Voltage: 400mV to 600V
• AC Voltage: 400mV to 600V
• DC Current: 40A to 1000A
• AC Current: 40A to 1000A
• Resistance: 400Ω to 40MΩ
• Capacitance: 40nF to 4000μF
• Frequency: 10Hz to 10MHz
• Duty Cycle: 0.1% to 99%

Benefits:

• Versatility: Handles a wide range of electrical measurements.
• Ease of Use: Auto/manual ranging and data hold simplify operation.
• Portability: Compact design with backlight and work light for various environments.
• Safety: Equipped with CAT III 600V rating for secure measurements.
• Electrical troubleshooting
• Automotive diagnostics
• Industrial maintenance
• Home and Office

Specifications	Range	Resolution	Accuracy
DC Voltage	400mV	0.1mV	±(1.0%+2)
	4V/40V/400V	0.001V/0.01V/0.1V	±(0.7%+2)
	600V	1V	±(0.8%+2)
AC Voltage	400mV/4V/40V/400V	0.0001V/0.001V/0.01V/0.1V	±(0.8%+3)
	600V	1V	±(1.0%+4)
DC Current	40A/400A/1000A	0.01A/0.1A/1A	±(3.0%+6)
AC Current	40A/400A/1000A	0.01A/0.1A/1A	±(2.5%+6)
Resistance	400Ω/4kΩ/40kΩ/400kΩ	0.1Ω/0.001kΩ/0.01kΩ/0.1kΩ	±(0.8%+3)
	4MΩ/40MΩ	0.001MkΩ/0.1MΩ	±(1.2%+3)
Capacitance	40nF/400nF/4μF	0.01nF/0.1nF/0.001μF	±(4.0%+5)
	40μF/400μF/4000μF	0.01μF/0.1μF/1μF	±(4.0%+5)
Frequency (A)	100Hz/1kHz	0.01Hz/0.1Hz	±(1.5%+5)
	>1kHz	0.001kHz	Reference
Frequency (V)	100Hz/1kHz/10kHz	0.01Hz/0.1Hz/0.001kHz	±(1.5%+5)
	>10kHz	0.01kHz	Reference
Frequency	10Hz/100Hz/1kHz/10kHz	0.001Hz/0.01Hz/0.1Hz/1Hz	±(0.5%+2)
(Hz/Duty)	100kHz/1MHz/10MHz	0.01kHz/0.1kHz/0.001MHz	±(0.5%+2)
Duty Cycle	0.1%~99%	0.10%	±3.0%

Information
Description	Value
Safety Rating	CAT III 600V
Display counts	4000
Auto Ranging	Yes
Jaw Size	Ф40mm 1.6"
Insulation Voltage	No
True RMS	Yes
AC Voltage	600V
AC Current	1000A
DC Voltage	600V
DC current	1000A
Non-Contact Voltage	No
Resistance	40MΩ
Capacitance	4000μF
Frequency	10kHz
Frequency	Yes
Duty Cycle	Yes
Diode	Yes
Continuity	Yes
Display Backlight	Yes
Work Light	Yes
Data Hold	Yes
MAX/MIN/AVG	NO
Relative Measurement	Yes
Bar Graph	Yes
Insulation Test	No
Low Pass Filter	No
Low Impedance	No
Dual Display	No
Peak Measurement	Yes
Auto Power Off	Yes
Temperature	No

General
Description	Value
Certificate	RoHS, CE
Power Supply	3×1.5V AAA Batteries
Product Size	222mm×86mm×32mm 8.74"×3.38"×1.26"
Accessories	Test Leads, Carry bag, Battery and User's manual
Color Box	130mm×63mm×255mm
Carton Box	530mm×340mm×285mm