A professional manufacture and sales of various electronic balances, moisture analyzers, viscometers and laboratory instrument manufacturer of weight measure instruments..

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W&J Instrument Co., Ltd. specializes in manufacturing analytical balance scale, precision weighing scale, density scale, moisture analyzer, digital viscometer, ph meter and test calibration weights. We have passed certification ISO9001:2008, ISO14001:2004, CE and ROHS.

We have over 20 years of production experience and over 15 years of export sales experience, and more than 2000m2 factory.

Quality 2000g 0.1g Mechanical Pallet Balance Double Beam Scale MB-2000 Manufacturer | W&J

2000g 0.1g Mechanical Pallet Balance Double Beam Scale MB-2000 compared with similar products on the market, it has incomparable outstanding advantages in terms of performance, quality, appearance, etc., and enjoys a good reputation in the market.W&J summarizes the defects of past products, and continuously improves them. The specifications of 2000g 0.1g Mechanical Pallet Balance Double Beam Scale MB-2000 can be customized according to your needs.

Hydrostatical Balance Scales

Measured solid density and calculating automatically. Mainly used for road constructionAccuracy 1g 0.1g and 0.01gCapacity 100g to 8000g

Stainless Steel Weighing Indicator

Waterproof IndicatorMaterials: SUS304

300g 500g 600g 1000g 2000g 3000g 4000g 5000g 6000g 0.01g accurate commecial electric digital scale precision balance

W&J Best Quality Analytical Balance Factory,Good product quality, reasonable price and high cost performanceW&J brand new automatic internal school analytical balance has a large touch color screen, five-sided fully transparent glass windshield. Using a new generation of electromagnetic force sensor, stable performance, small error. The balance has functions such as counting, multi-unit conversion, tare, zero tracking and so on. Fully automatic internal calibration, simple operation. Built-in RS232 or USB interface, you can connect to computers, printers and other equipment.

Stainless Steel Waterproof Big Weighing Platform Scales

Model: MT-LCapacity: 50kg-500kgAccuracy: 1g 5g or 10gPan size: 400*500 MMPower: 100-204VMaterials: Stainless steel 304Waterproof and dustproof

Automatic Internal And External Calibration 0.0001g 0.1mg Laboratory Electromagentic Analysis Scale

E1 E2 F1 F2 M1 ASTM Standard Non-magnetic 1mg-500mg 100g 200g 500g 1kg 2kg 5kg 10kg 20kg 25kg 50kg Test Weights Set

Definition and function of weightsA calibration weight is a precisely manufactured mass block used to provide a standard mass or load during the measurement process. Its main applications include:a. Calibration of measuring equipment: such as balances, electronic scales, etc., to ensure that the readings they display are accurate.b. Calibration of other equipment: such as certain mechanical equipment, used to determine the load or other parameters of the machine.c. Providing standards for scientific research: In some experiments, accurate mass is required as a reference, and weights come in handy.

High Quality 3kg 5kg 6kg 0.01g Magnetic Sensor 10MG Milligram Analysis Scales Lab Balance

6kg 5kg 4kg 3kg 2kg 1kg 600g 0.01g Auto. Calibration Commercial Lab Scale Weight Precision 10Mg Gram Balance Weighing

1g 0.1g Weight Scale 10kg 15kg 20kg 30kg Digital Bench Industrial Scale

1. Weighing Plate: Big Square 12.2"×8.7" (310×220 mm) SST 304 Plate Weight: 840 g Thickness: 1 mm (very robust)2. Display: LCD (white bright backlit) (L×W) 4.3"×1.2" (110×30 mm)3. Indicator Dimension (L×H): 10.2"×12.6" (260×320 mm)4.Indicator can be apart from weighing plate. Indicator Connection Wire: 11.8"-59" (300-1500 mm according to your needs)5. Power: AC/DC (100-240V)6. Units: kg, g, oz, lb (welcome to add your units)7. Functions: Percentage, Counting, Last remember, Full Range Tare, Over-load Protection, Zero Tracking, Automatic Turn-Off, Under Weighing8. Attachments: English Manual, Adapter, Under Hook, Rechargeable Battery9. Speed: 1 s10. Value stable time: 2 s 11. 1 Year Warranty

Quality Specific Gravity Scale Density Westphal Balance Manufacturer | W&J

Wechsler balance is a type of balance, a general method for determining the density of chemical reagents

Customized Quadruple Beams Scale manufacturers From China | W&J

Quadruple Beams Scale compared with similar products on the market, it has incomparable outstanding advantages in terms of performance, quality, appearance, etc., and enjoys a good reputation in the market.W&J summarizes the defects of past products, and continuously improves them. The specifications of Quadruple Beams Scale can be customized according to your needs.It is made based on the principle of leverage, with a small plate at each end of the lever. The object to be weighed is placed on the left end, and a weight is placed on the right end. The center of the lever is equipped with a pointer. When the two ends are balanced, the mass (weight) of the two ends is equal. It is a commonly used weighing instrument. The accuracy is not high, usually 0.1 or 0.2 grams. The loads include 1g, 2g, 50g, 100g, etc

Why Choose Our Laboratory Instruments?

Our core technical team possesses interdisciplinary capabilities in mechanical design, electronic engineering, and software algorithms, enabling us to provide customized development services including special weighing range customization (such as ultra-micro weighing at the 0.01mg level or large weighing ranges above 10kg), explosion-proof certification (ATEX/IECEx Zone 1/2), integration of specific communication protocols (Modbus RTU, Profinet, 4-20mA analog output), and multilingual localization of the human-machine interface.

At the project execution level, we employ a stage-gate management model. Customers can participate in multiple rounds of technical reviews before the design freeze, and the engineering development phase only begins after the functional specification is confirmed, effectively controlling project change risks and delivery uncertainty.

On the manufacturing side, the company boasts a 3,000-square-meter self-owned production line equipped with fully automated calibration and testing benches and aging test chambers. This allows for flexible switching between small-batch trial orders (5-50 units) and large-scale orders, with a minimum order quantity (MOQ) at the lowest level in the industry.

In terms of after-sales service, customized instruments enjoy the same 24-month warranty commitment as standard products, a 10-year spare parts inventory commitment for key components, and value-added services such as on-site installation and commissioning, operation training, and metrological calibration guidance, ensuring customers receive original manufacturer technical support throughout the entire instrument lifecycle.

Precision Analytical Balance

A high-precision electromagnetic force-compensation weighing system delivering 0.1mg readability with automatic internal calibration, designed for quantitative analysis in regulated pharmaceutical, chemical, and research laboratory environments.

Digital Viscometer

A rotational digital viscometer with broad measurement range (10–6,000,000 mPa·s), featuring optional Peltier temperature control and compliant with FDA 21 CFR Part 11 for electronic data integrity in quality control applications.

Moisture Analyzer

A halogen-heated rapid drying moisture analyzer achieving 0.001g reading precision, equipped with an intelligent endpoint detection algorithm that automatically terminates heating upon sample constant-weight confirmation, suitable for high-throughput QC testing across food, chemical, and pharmaceutical sectors.

Calibration Test Weights

OIML R 111-compliant precision test weights available in E1 through M1 accuracy classes, crafted from non-magnetic austenitic stainless steel with mirror-finish surface treatment, traceable to CIPM mutual recognition arrangements for metrological calibration applications.

Our customized services are underpinned by nearly 30 years of independent R&D and manufacturing experience in precision instruments, building a closed-loop capability encompassing the entire process from capturing customer needs, designing conceptual solutions, verifying functional prototypes, to large-scale mass production and delivery.