---
product_id: 59530919
title: "Refractometer Calibration Standard, Accurate Reference for the Calibration of Seawater Refractometers, Hydrometers & Other Density Measuring Equipment, RES60"
price: "¥3301"
currency: JPY
in_stock: true
reviews_count: 13
url: https://www.desertcart.jp/products/59530919-refractometer-calibration-standard-accurate-reference-for-the-calibration-of-seawater
store_origin: JP
region: Japan
---

# Reliable 1.0264 Specific Gravity Exact 1.3394 Refractive Index Precise 35 ppt Salinity Refractometer Calibration Standard, Accurate Reference for the Calibration of Seawater Refractometers, Hydrometers & Other Density Measuring Equipment, RES60

**Price:** ¥3301
**Availability:** ✅ In Stock

## Summary

> ⚙️ Calibrate like a pro, measure like a boss!

## Quick Answers

- **What is this?** Refractometer Calibration Standard, Accurate Reference for the Calibration of Seawater Refractometers, Hydrometers & Other Density Measuring Equipment, RES60
- **How much does it cost?** ¥3301 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/59530919-refractometer-calibration-standard-accurate-reference-for-the-calibration-of-seawater)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Proven Reliability:** Backed by 391+ reviews and a 4.4-star rating, join the community of professionals who trust RES60 for flawless calibration.
- • **Universal Compatibility:** Works seamlessly with a wide range of density measuring equipment, from refractometers to hydrometers.
- • **Calibrate with Confidence:** Industry-grade 35 ppt salinity ensures your seawater refractometers and hydrometers deliver pinpoint accuracy every time.
- • **Trusted Precision Metrics:** Exact refractive index of 1.3394 guarantees your density measurements are never off, keeping your data rock-solid.
- • **Consistent Conductivity Standard:** 53 µS/cm at 25°C provides a stable electrical conductivity reference for comprehensive calibration.

## Overview

The RES60 Refractometer Calibration Standard offers a precise 35 ppt salinity, 1.0264 specific gravity, and 1.3394 refractive index, making it the go-to reference for accurate calibration of seawater refractometers, hydrometers, and other density measurement tools. Trusted by hundreds of professionals, it ensures consistent, reliable results that keep your instruments perfectly tuned.

## Description

Accurate reference for the calibration of seawater refractometers, hydrometers & other density measuring equipment. 35 ppt Salinity1. 0264 Specific Gravity1. 3394 Refractive Index53 uS/cm at 25 deg c

Review: Accurate calibration std. - Advertised as 35 PPT and it was spy on, verified against 4 refractometers and 3 electronic readers. Brighter ll is always as advertised, unlike a few competitors that can be all over the map
Review: Recommend! - Recommend!

## Features

- Accurate reference for the calibration of seawater refractometers, hydrometers & other density measuring equipment
- 35 ppt Salinity
- 1. 0264 Specific Gravity
- 1. 3394 Refractive Index
- 53 uS/cm at 25 deg c

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.4 out of 5 stars 391 Reviews |

## Images

![Refractometer Calibration Standard, Accurate Reference for the Calibration of Seawater Refractometers, Hydrometers & Other Density Measuring Equipment, RES60 - Image 1](https://m.media-amazon.com/images/I/5173Yk3UDiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Accurate calibration std.
*by B***E on July 13, 2022*

Advertised as 35 PPT and it was spy on, verified against 4 refractometers and 3 electronic readers. Brighter ll is always as advertised, unlike a few competitors that can be all over the map

### ⭐⭐⭐⭐⭐ Recommend!
*by C***E on February 7, 2026*

Recommend!

### ⭐⭐⭐⭐⭐ A must for salt water tanks
*by R***N on July 13, 2025*

This is a life saver - literally. I ordered a new refractor and without this could have killed everything by drastically changing the salt % in my reef tank .

## Frequently Bought Together

- Brightwell Aquatics Refractometer Calibration Standard, Accurate Reference for The Calibration of Seawater Refractometers, Hydrometers & Other Density Measuring Equipment, RES60
- Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
- Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml

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**Shop now:** [https://www.desertcart.jp/products/59530919-refractometer-calibration-standard-accurate-reference-for-the-calibration-of-seawater](https://www.desertcart.jp/products/59530919-refractometer-calibration-standard-accurate-reference-for-the-calibration-of-seawater)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-04*