Does “voltage tester integrated into the clamp” mean that clamp close to a live AC voltage will signal a hot wire

Just put the clamp to hot wire will show you a current not a voltage. For Voltage measurement you need a red and black prob to measure the voltage.

Does it come with a certificate of calibration or cane it be calibrated?

No it does not come with a certificate of calibration. I do not think this can be calibrated

Can anyone who has any of the models that measure inrush current test to see if it can do so with dc or only ac like most ac/dc clamps inrush mode?

Measuring charging amperage can be done in AC and DC- just press the set button to toggle between the two.

What's the difference between max/min button and the in-rush button? won't max give you the max current during in-rush?

It can detect in two ways. It will detect the in-rush if that is what you're looking w/ in-rush button selected BEFORE clamping. But if you are checking for any increase or spikes after the in-rush event, select the max/min button option AFTER clamping. Work safe!

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Klein Tools CL900 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Voltage/Current, 2000A, LoZ , Continuity, Frequency, NCVT, Temp, More, 1000V

Klein Tools CL900 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Voltage/Current, 2000A, LoZ , Continuity, Frequency, NCVT, Temp, More, 1000V

Product ID: 66631506

Details

Brand
KLEIN TOOLS
Color
Black Orange
Item Weight
1.1 pounds
Power Source
Battery
Style
2000A AC/DC

⚡2000A AC/DC clamp current

📊True RMS auto-ranging accuracy

🔦Backlit LCD for low-light

€ 370.19

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Description

⚡ Power up your precision game with Klein’s CL900 — the pro’s all-in-one clamp meter!

HANDS FREE READY - Integrated test lead holder plus optional magnetic hanger keep your hands free and workflow seamless.
BUILT FOR THE HUSTLE - IP40-rated ruggedness and 6.6 ft drop protection means this meter thrives in tough jobsite conditions.
GHOST VOLTAGE SLAYER - Low Impedance (LoZ) mode cuts through phantom voltages so you only get the real electrical story.
CLAMP LEAD POWERHOUSE - Measures AC/DC current up to 2000A plus voltage, resistance, frequency & more—one tool, endless insights.
PRECISION YOU CAN TRUST - True RMS tech with auto-ranging ensures spot-on readings every time, eliminating guesswork on the job.

The Klein Tools CL900 Digital Clamp Meter is a professional-grade, auto-ranging TRMS multimeter designed for precise AC/DC current and voltage measurements up to 2000A and 1000V. Featuring Low Impedance mode to eliminate ghost voltages, a backlit LCD for visibility in dim environments, and rugged IP40 and drop protection, it’s built to withstand demanding jobsite conditions. Complete with test leads, carrying case, and safety certifications, the CL900 is engineered for accuracy, durability, and convenience for electricians and technicians who demand reliable performance.

Specifications

ASIN	B079MV9DRH
Best Sellers Rank	#78,391 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #105 in Multi Testers
Brand	KLEIN TOOLS
Brand Name	KLEIN TOOLS
Color	Black, Orange
Customer Reviews	4.6 out of 5 stars 542 Reviews
Global Trade Identification Number	00092644692352
Included Components	Carrying Case, Instruction Manual, Straight Input Test Leads, Batteries
Item Dimensions	10.43 x 3.9 x 1.71 inches
Item Type Name	Digital Clamp Meter;2000 Amp
Item Weight	1.1 pounds
Item dimensions L x W x H	10.43 x 3.9 x 1.71 inches
Manufacturer	Klein Tools
Measurement Type	Multimeter
Minimum Operating Voltage	9 volts
Model	CL900
Number of Items	1
Part Number	CL900
Power Source	Battery Powered
Specification Met	Ul, Ce, Etl, Rohs, Cat III 1000v, Cat IV 600v
Style	2000A AC/DC, LoZ
Style Name	2000A AC/DC, LoZ
UPC	092644692352
Unit Count	1 Count
Upper Temperature Rating	60 °C
Warranty Description	1 year manufacturer

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€ 370.19

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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