with the clamp meter can you measure amps in DC ?what is the maximum dc amperage it will measure?

Yes, in fact I purchased this clamp meter to be able to measure current flowing to my car starter when cranking engine, and it really works well for that. the maximum amps is 600 amps with 0.1mA resolution.

This tester seems very slow to obtain readings, I mean compared to cheaper units it is slooow is there something wrong with it? Batteries are new!

The only reading that takes a second or so on mine is the capistor test. All other reading seem fine. Maybe you got a defective unit.

Where can I download a mestek cm86b pdf owners manual?

Mine came with one, but if you misplaced it, or it didn't have one, you may be out of luck. I went to the MFG's website and did not see a selection to acquire a manual. However, you may want to contact them directly via the contact page of the site, and if you're lucky they may not only respond, but have one they could send you.

how accurate is th DC current measurment?

It is accurate.It has an acceptable range of tolerance.DC Current: 60A/600A ±3.0%

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Clamp Meter Digital Multimeter AC/DC MESTEK Voltage Tester Voltmeter Auto-ranging NCV True RMS 6000 Counts Measures Voltage Current Resistance Capacitance Diode Temperature Continuity Frequency

Clamp Meter Digital Multimeter AC/DC MESTEK Voltage Tester Voltmeter Auto-ranging NCV True RMS 6000 Counts Measures Voltage Current Resistance Capacitance Diode Temperature Continuity Frequency

Product ID: 460237991

Details

Brand
MESTEK
Colour
black
Item weight
195 Grams
Power source
Battery
Style
classic

⚡600A AC/DC current max

📊6000 counts True RMS accuracy ±0.5%

🌡️Temp range up to 1000°C

KD 33.34

Duties & taxes included

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Description

⚡ Clamp into precision — master your electrical world with confidence!

PRECISION POWERHOUSE - True RMS and VFD modes deliver ±0.5% accuracy for flawless diagnostics.
ALL IN ONE DIAGNOSTIC - Measures voltage, current, resistance, capacitance, frequency, temperature, diode, and continuity effortlessly.
WORK ANYWHERE ANYTIME - Backlit LCD and built-in LED flashlight illuminate readings in the darkest spaces.
SMART NON CONTACT VOLTAGE - NCV detection lets you sense live wires safely without touching.
SAFETY SUPPORT GUARANTEED - IEC CAT III 600V rated with overload protection plus 3 years of dedicated customer care.

The MESTEK CM83E Digital Clamp Meter is a versatile, high-accuracy multimeter designed for professionals and DIYers alike. Featuring True RMS technology, auto-ranging, and NCV detection, it measures up to 600V and 600A AC/DC current with ±0.5% accuracy. Its backlit display and LED flashlight ensure usability in low-light conditions, while safety certifications and a 3-year warranty provide peace of mind. Ideal for troubleshooting electrical systems in automotive, industrial, and home environments.

Specifications

ASIN	B09VJSMGK7
Best Sellers Rank	220,853 in DIY & Tools ( See Top 100 in DIY & Tools ) 482 in Multi Testers
Brand	MESTEK
Colour	black
Country Of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (1,333)
Included Components	Digital Clamp Multimeter、Carrying bag、Temperature probe、User Manual、Battery
Item Dimensions	20 x 7.5 x 3.7 centimetres
Item Weight	195 Grams
Manufacturer	MESTEK
Manufacturer Part Number	83E
Measurement Type	Multimeter
Model Number	CM83E
Number of Items	1
Power Source	Battery Powered
Product Warranty	2 years warranty
Specification Met	CE
Style Name	classic
Upper Temperature Rating	1000 Degrees Celsius

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