Buehler · Electropolishing & Etching

ElectroMet™ 4 Polisher-Etcher

Electropolishing & Etching System with Interchangeable Cathodes

★★★★★ 4.9 out of 5 · 163 reviews

The ElectroMet 4 is an electropolishing and etching system with interchangeable cathodes and etching cell. Electrolytic sample preparation provides an efficient method for final polishing and etching of metal alloys including stainless steel, aluminum, titanium, copper and many more. The ElectroMet 4 electro-polisher/etcher is designed for optimal performance and ease of operation. It consists of a power source, a polishing cell, an etching cell, a specimen stand, and other accessories.

1-60 minPolish/Etch Time Settings

Up to 5in [127mm]Anode Arm Capacity

1KVASystem Power

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Buehler ElectroMet 4 electropolishing and etching system

Buehler ElectroMet 4 — polisher-etcher

ElectroMet 4 Key Benefits

Built for consistent, efficient electropolishing and etching with strong convenience, flexibility, durability, and safety features.

Convenience

Digital LED displays time, voltage, current, polish/etch cycles, pump speed, and temperature
Parameter memory to automatically reset operating conditions
Polishing and etching time settings from 1-60 minutes in 1-second intervals
Automatically switches from polishing to etching modes
Load simulation mode to facilitate preselection of polishing and etching parameters
Glass-filled polyethylene masks allow for selective polishing/etching
Variable pump speed for electrolyte dispersion
Includes copper and stainless steel cathodes
External cell with 200ml capacity for multiple electrolyte solutions
Adjustable anode arm accommodates samples up to 5in [127mm], plus a fixture for unmounted specimens

Flexibility

Corrosion and impact resistant molded cabinets
Solid state design with electronic controls and membrane touch interface
1KVA system with isolation transformer

Durability & Safety

Electrolyte temperature and current monitoring to ensure consistent results and maximum safety
Current overload shut-off and LED fault indicator prevent excess amperage draw
Cooling coils positioned within the tank for automatic temperature control

Ordering Information

Includes power source, etching cell, stainless steel and copper cathodes, power cord, and operating instructions. Contact Censico for current pricing and lead times.

ElectroMet 4 Polisher-Etcher

Part Number	Voltage/Frequency
70-1830-115	115VAC, 60Hz
70-1830-220	220–240VAC, 50Hz

Not available in Europe.

Technical Specifications

Full specification sheet for the Buehler ElectroMet 4.

ElectroMet 4 Polisher-Etcher
Polishing/Etching Time Settings	1–60 minutes, 1-second intervals
Anode Arm Capacity	Up to 5in [127mm], plus fixture for unmounted specimens
External Electrolyte Cell Capacity	200ml
System Power	1KVA with isolation transformer
Approx. Dimensions (unlabeled in source)	5in [127mm], 6in [152mm], 8in [203mm], 8in [203mm], 16in [406mm], 13.125in [333mm], 8in [203mm], 18.5in [470mm], 9in [229mm]
Approx. Weight	60lbs [27.3kg]
Installation — Power	115VAC, 60Hz
Installation — Water	N/A
Installation — Air	N/A
Includes	Power Source, Etching Cell, Stainless steel and copper cathodes, Power cord, Operating instructions

Dimensions row lists the nine measurements from Buehler's spec sheet exactly as given — the source didn't label which figure is width, depth, or height, so none have been assumed. Buehler notes that technical specifications are subject to change without notice as products are continuously improved.

Applications & Industries Served

The ElectroMet 4 is used wherever labs need fast, consistent electropolishing and etching to reveal microstructure without mechanical preparation artifacts.

Typical Applications

Final electropolishing of stainless steel, aluminum, titanium, and copper alloys
Electrolytic etching to quickly reveal microstructure
Selective polishing/etching using glass-filled polyethylene masks
Deformation-sensitive sample preparation where mechanical polishing risks artifacts
Quality control and failure analysis workflows

Industries Served

Stainless Steel & Alloy Manufacturing Aerospace Automotive Academic & Research Institutions Government & Defence Labs Quality Control Laboratories

Accessories for ElectroMet & ElectroMet 4

Shared accessories, available for both the ElectroMet Etcher and ElectroMet 4.

Part Number	Description
70-1832	ElectroMet 4 Polishing Cell — Approx. Weight 6lbs [2.72kg]; Approx. Dimensions (unlabeled in source): 7in [177mm], 5.75in [146mm], 7.75in [197mm]
70-2015	Masks (Qty 5)
70-2100	Stainless Steel Cathodes
70-2105	Copper Cathode
70-3100	Etching Cell
70-1710*	ElectroMet Etcher (standalone unit) — 115VAC, 50/60Hz. *Not available in Europe.

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Downloads

Product literature for the ElectroMet 4.

📄 BrochurePDF · Product overview

Frequently Asked Questions

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What is the Buehler ElectroMet 4 used for? ▾

The ElectroMet 4 is an electropolishing and etching system used for efficient final polishing and etching of metal alloys including stainless steel, aluminum, titanium, copper, and many more, revealing microstructure quickly.

What does the ElectroMet 4 come with? ▾

It includes the power source, an etching cell, stainless steel and copper cathodes, a power cord, and operating instructions. A separate polishing cell is available as an accessory.

How does the ElectroMet 4 switch between polishing and etching? ▾

It automatically switches from polishing to etching modes, with parameter memory to automatically reset operating conditions and a load simulation mode to preselect parameters.

What safety features does the ElectroMet 4 have? ▾

It monitors electrolyte temperature and current to ensure consistent, safe results, with current overload shut-off, an LED fault indicator, and cooling coils positioned within the tank for automatic temperature control.

Where can I buy a genuine Buehler ElectroMet 4 in India? ▾

Censico International Pvt. Ltd. is Buehler's exclusive distribution partner for the Indian Subcontinent. You can request a quote for the ElectroMet 4 directly through Censico, with pan-India delivery and technical support.

Ready to talk about the ElectroMet 4?

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