Comparator XPR6U/A

Reliability and Accuracy.Excellence XPR Ultra-Microbalance, 6.1g capacity, 0.1 µg readability, with Active Temperature Control system, GWP Approved built-in, SmartView terminal and modern user interface

Accurate Mass Determination

METTLER TOLEDO manual mass comparators guarantee top measurement performance and full traceability of weighing results.

Unmatched Productivity Using MC Link

Increase efficiency, data security and compliance using MC Link , the mass calibration workflow software designed for experts and novices alike.

Minimized Weighing Errors

Error-free operation through user-guidance on the color touchscreen and automated draft shield doors support a smooth and hands-free process.

Material No.: 30279282

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Specifications - Comparator XPR6U/A
Maximum Capacity
6.1 g
0.1 µg
Repeatability ABA at Nominal Load
0.4 µg
Repeatability ABA at Low Load
0.25 µg
Minimum Weight (USP, 0.1%, typical)
0.3 mg
Internal (automatic/FACT)
Bluetooth (optional)
Ethernet (LAN)
RS232 (integrated/optional)
USB-A (to device)
USB-B (to device)
User management
Password protection
Unlimited Amount of Users
User Rights
Legal for Trade
Electrical Weighing Range
0 g – 6.1 g
Repeatability nominal load
0.4 µg
Repeatability (Low Load) (5%)
0.25 µg
OIML Class
Gravimetric eccentricity elimination
MC Link 2 Mass Calibration Software included
5.3 kg
Valuable Samples
Compliance Options
Alibi Memory
Data Integrity
Log history (21 CFR Part 11 Compliant)
Log history (Basic Metadata)
Password protection
Approved Balance
Balance Line
Repeatability, typical
0.15 µg
Balance Type
Weighing Pan Diameter
16 mm
Automatic doors
Leveling guidance
Password protection
Supports 21 CFR Part 11 (LabX compatible)
User management
Linearity ±
0.004 mg
Documentation Options
Automatic Documentation (21 CFR Part 11 Compliant)
Basic Electronic Documentation
Readability (Certified)
1 mg
Microbalance Type
Excellence $$$
21 CFR Part 11 Compliant Weighing
Automation Options
Automated Workflows

Space-saving Design

The XPR has the most compact footprint in the market and has the convenience of being able to place the main terminal wherever it is easily accessible

Two terminal concept

The SmartView terminal above the weighing chamber provides all the functions you need as you carry out your weighing tasks

Built-in notepad

The result notepad automatically records all task parameters and results and displays them at a glance, eliminating manual transcription.

Simplify repititive tasks

Simply store task methods in your own method library, also suitable for methods including several samples or test series.

Direct data transfer

Easily transfer task parameters and results to a PC or software application via USB or directly without need for additional software



Brochure: XPR Microbalances
The XPR ultra microcomparator comes supplied with our MC Link weight calibration software to provide seamless calibration processes with 100% data int...


Datasheet: XPR Microbalances for Your Most Precious Samples
To make the most of your valuable resources, XPR microbalances and ultra-microbalances deliver a unique level of precision with exceptionally low mini...

Installation Instructions

Reference Manual: Microbalances XPR2, XPR2U, XPR6U, XPR6UD5, XPR10
Full instructions and technical guidance for safe and correct usage of your balance.
User Manual: Microbalances XPR2, XPR2U, XPR6U, XPR6UD5, XPR10
Easy reference guide to help you quickly set-up and start using your balance.
MT-SICS Interface Commands for XPR and XSR Balances
To enable you to integrate balances into your systems in a simplified manner and utilize their capabilities, many balance functions can be accessed th...


Anti-static Solutions

Antistatic kit including one stand and one compact electrode for XPR micro balance

Material No.: 30215452

Optional second compact ionizer forAntiStatic kit Microbalance

Material No.: 30300921

Replacement power supply for the U-Electrode discharging device

Material No.: 11107766

Large U-Electrode for discharging all kinds of samples and tare containers with dimensions of 15x25 cm

Material No.: 11107764

Excellence Refractometer Accessories and Consumables

P-56RUE Thermal printer supports printing on thermal paper and continuous thermal labels, and it can be connected via RS232, USB and ethernet interfaces.

Material No.: 30094673

Filter Weighing Accessories

Filter set for filter sizes of 50mm diameter to use on XP/XS micro and ultra micro balances

Material No.: 211214

Hands-free Accessories, Stands & Displays & Data Readers

Weight Calibration Made Easy

Material No.: 30212767

Interfaces, Cables and Power Supplies

Terminal cable, extended, 4.5 m

Material No.: 30300920

Manual Sample Dosing

Spatula for precise powder handling for micro and ultra micro balances

Material No.: 30064490

Weighing Pans

Special weighing pan suitable for small, tubular samples. Includes holder, pan and wind-ring

Material No.: 30113498

Set of special weighing pans suitable for small, tubular samples.

Material No.: 30215425



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Comparator XPR6U/A