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Main image of allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

Alt view image 2 of 7 - allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

Alt view image 3 of 7 - allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

Alt view image 4 of 7 - allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

Alt view image 5 of 7 - allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

Alt view image 6 of 7 - allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

Alt view image 7 of 7 - allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

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allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

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FULL-SPECTRUM AUTOMOTIVE DIAGNOSTIC FUNCTIONS: Measures AC/DC voltage up to 1000V, current up to 20A, resistance up to 60M, capacitance to 4000F, frequency to 9.999MHz, duty cycle 0.5%-99.9%, temperature from -4°F to 1832°F. All-in-one solution for engine diagnostics, electrical troubleshooting, and component testing.
RPM, DWELL ANGLE & PULSE WIDTH FOR ENGINE IGNITION SYSTEMS: Supports 2-stroke and 4-stroke engines up to 20,000 RPM, with 4/5/6/8-cylinder dwell angle switchable (0-90°). Perfect for ignition system analysis, distributor timing adjustment, and fuel injection pulse signal testing.
HANDS-FREE OPERATION WITH AUTO RANGING & DATA HOLD: Autoranging mode for quick measurements, data hold to freeze readings, relative measurement for precise comparison, backlit LCD for low-light workshops, and auto power off for battery saving. Magnetic mount, hanger, and kickstand keep your hands free during complex jobs.
REAL-TIME PC DATA LOGGING & ANALYSIS: Transfer live measurement readings to your computer via USB interface with included software. Ideal for professional reporting, detailed diagnostics analysis, performance tracking, and long-term data logging for fleet maintenance.

Overview

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It is an ideal measurement tool for automotive repair and service personal.

Power supplied by 1 piece 9V battery, 6F22 or equivalent.(Not Provided by seller).

The USB allows to establish the communication between the meter and a PC.

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DIY Tool
Ultrasonic Leak Detector
Based on ISO9001 International Quality System, most products are exported to Europe and USA with approvals of CE, UL, GS, CMC.
We have wide product range to meet different purchased requirements. The main products contain Digital Multimeters, Metal Detectors, Ultrasonic Measures, Infrared testers.One-stop style make purchase easy,and greatly reduce purchase cost,shorten purchase time and assure purchase quality control.
DIY Tool
Metal Detector
DIY Tool

It is an ideal measurement tool for automotive repair and service personal.

Power supplied by 1 piece 9V battery, 6F22 or equivalent.(Not Provided by seller).

The USB allows to establish the communication between the meter and a PC.

DIY Tool
Ultrasonic Leak Detector
Based on ISO9001 International Quality System, most products are exported to Europe and USA with approvals of CE, UL, GS, CMC.
We have wide product range to meet different purchased requirements. The main products contain Digital Multimeters, Metal Detectors, Ultrasonic Measures, Infrared testers.One-stop style make purchase easy,and greatly reduce purchase cost,shorten purchase time and assure purchase quality control.
DIY Tool
Metal Detector
DIY Tool

This meter is a high-performance 3 5/6-digit digital auto-range automotive multi-meter. Besides AC and DC voltage, AC and DC current, resistance, continuity, diode, capacitance, temperature, frequency, duty cycle measurement functions, this meter can also measure RPM, dwell angle and pulse width. It features relative measurement, data hold, back light, low battery indication, over range indication, auto power off, meter-to-PC communication and etc. It is an ideal measurement tool for automotive repair and service personnel. General Specification± Fuse Protection for Vm A Hz Terminal Inputs: 630mA, 1000V, FAST, Min. Interrupt Rating 20000A Fuse Protection for 20A Terminal Inputs: 20A, 1000V, FAST, Min. Interrupt Rating 20000A Display: 3 5/6-digit display, with a max. Reading of 5999 Overrange Indication: OL shown on the LCD. Negative Polarity Indication: - displayed automatically Sampling Rate: About 2 to 3 times / sec Operating Temperature: 0 ~ 40, <75%RH Temperature Coefficient: 0.2 x ( specified accuracy ) / ( < 18 or > 28 ) Low Battery Indication: -+ shown on the LCD Storage Temperature: -10 ~ 50, < 85%RH Operating Altitude: 0 to 2000 meters Battery: 9V , 6F22 or equivalent, one piece (Not provided by seller) Dimensions: 184 x 89 x 62 mm Weight: about 447g Accessories: Manual , inductive pick up, adapter x 1 piece Test Lead x 1 pair Present: USB Data Cable , K type thermocouple X 1 piece

Model
Brand	allsun
Model	EM133A
Part Number	GMEM133A+

Details
Size/Dimensions	9.906 cm x 20.193 cm x 23.6982 cm
Bandwidth	EM133A, Computer
Sampling Rate	EM133A
Display Type	EM133A
Accuracy	±(1.0%+7)
Scope Channels	1
Approvals/Standards	not_capable_emitting_rf_energy
Color	Black
Number of Digits	EM133A
Mount	CD
Working Temperature	104 degrees_fahrenheit
Material	ABS
Gauge Glass Type	EM133A
Maximum Operating Temperature	104 degrees_fahrenheit
Seal Material	ABS
Display Size	EM133A
Power Source	Battery Powered
Interface	EM133A
Data Storage	EM133A
Data Hold	EM133A
Sensitivity	±(1.0%+7)
Count Modes	Count
Safety Rating	UL, CE
Operating Frequency	EM133A, not_applicable
Working Distance	184mm x 89mm x 62mm
Number of Functions	EM133A

Features
Features	Battery Powered, false

Details
Sports Team	1 Piece

Additional Information
First Listed on Newegg	October 29, 2026

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allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

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Learn more about the No Sew EM133A

Customer Reviews of the No Sew EM133A

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 9SIC969M9P7287

Meet Your Seller

allsun EM133A Auto Multimeter AC/DC Volt Ohm Amp Tester Tool | RPM, Dwell, Pulse Width, Temp, Capacitance, Continuity, Frequency. Diagnostic for Car Repair, Workshop, DIY Maintenance

DIY Tool

Ultrasonic Leak Detector

DIY Tool

Metal Detector

DIY Tool

DIY Tool

Ultrasonic Leak Detector

DIY Tool

Metal Detector

DIY Tool

Learn more about the No Sew EM133A

Customer Reviews of the No Sew EM133A

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info