---
product_id: 272796489
title: "GKS-3000 Precious Metal and Specific Gravity Tester"
brand: "alfa mirage"
price: "¥824594"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/272796489-gks-3000-precious-metal-and-specific-gravity-tester
store_origin: JP
region: Japan
---

# Dual water immersion measurement Precision weighing 0.01-3000g Built-in computer for instant purity calc GKS-3000 Precious Metal and Specific Gravity Tester

**Brand:** alfa mirage
**Price:** ¥824594
**Availability:** ✅ In Stock

## Summary

> ⚖️💧 Measure with confidence, own with pride.

## Quick Answers

- **What is this?** GKS-3000 Precious Metal and Specific Gravity Tester by alfa mirage
- **How much does it cost?** ¥824594 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/272796489-gks-3000-precious-metal-and-specific-gravity-tester)

## Best For

- alfa mirage enthusiasts

## Why This Product

- Trusted alfa mirage brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Digital Display:** VFD screen shows purity %, karat, and density instantly for confident, data-driven decisions.
- • **Wide Karat & Metal Range:** Accurately measures gold (9-24K), platinum (Pt600-1000), silver, and white gold purity simultaneously.
- • **Compact & Portable Design:** Lightweight 9.25 lbs unit with optional wind shield and bigger water tank for versatile on-site testing.
- • **Trusted Japanese Engineering:** Alfa Mirage’s GKS-3000 delivers unparalleled accuracy backed by a 1-year warranty—your professional standard.
- • **Effortless Purity Verification:** Two-step specific gravity test with no acids or scratches—perfect for pristine precious metals.

## Overview

The Alfa Mirage GKS-3000 is a cutting-edge precious metal and specific gravity tester designed for professionals who demand accuracy and ease. It uses dual weighings—one in water and one in air—to instantly calculate purity percentages for gold, platinum, silver, and white gold without damaging the piece. Featuring a bright VFD display, a wide karat range (9-24K), and a compact, portable design, this Japanese-engineered device ensures fast, reliable results with no acids or test stones required.

## Description

Quickly, easily and accurately determine the purity of gold, platinum, silver and white gold by two weighings (by measuring the specific gravity): one with the piece in a water tank, the other normally. An internal computer does all the calculations for you. Only works for solid metal pieces without set stones. No acid, needles, or test stones needed. Leaves no scratches or stains on your gold after measurements. Wide karat range from 9 to 24K. Also functions as a normal gram scale. FEATURES Gold (Lo, K9,10-24), platinum (Lo, Pt600-1000), silver, white gold, purity percentage and density. Power supply: 110-230V Measuring range: 0.01-3000g/Min weight: 10g Purity % is displayed at the same time with purity K(PT) Easy viewing with VFD display Selectable measuring time (5 modes) Calculative error tolerance value can be shown (SG) Wind shield (optional) Bigger water tank and sensor Weight: 9.25 lbs (4.2kg) Dimensions: 10.25³ X 9.45³ X 9.45³ One year warranty Made in Japan.

## Features

- Brand: Alfa Mirage
- Packed with features
- Cutting-edge technology
- Unparalleled performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Alfa Mirage |
| Part number | 101-007 |
| Item Weight | 600 g |
| Package Dimensions | 50 x 47 x 34 cm; 600 g |
| Item model number | GKS-3000 |
| Color | multi |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Batteries Required? | No |

## Product Details

- **Brand:** Alfa Mirage
- **Power source:** Battery Powered
- **Colour:** multi
- **Item weight:** 600 Grams
- **Min. Operating voltage:** 110 Volts

## Images

![GKS-3000 Precious Metal and Specific Gravity Tester - Image 1](https://m.media-amazon.com/images/I/71fq77h6S5L.jpg)

## Frequently Bought Together

- Alfa Mirage GKS-3000 Precious Metal and Specific Gravity Tester
- Professional Gold, Silver, Platinum Jewelry Testing Kit with Stone Instructions and Box with 30X Eye Loupe Magnifier Precious Metals 10K 14K 18K 24K 999 925 Scrap
- 8 PC JSP Gold Testing Acid Solutions 10K 14K 18K 22K - 2 Bottles Each

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**Shop now:** [https://www.desertcart.jp/products/272796489-gks-3000-precious-metal-and-specific-gravity-tester](https://www.desertcart.jp/products/272796489-gks-3000-precious-metal-and-specific-gravity-tester)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-04*