M K Enterprises

The Essae AX Series is a precision balance line designed for jewelry, laboratory, textile, research, and industrial applications, offering high accuracy and reliability  .

The AX‑620G model is specially tailored for jewelry weighment, supporting units like grams, carat, tola, and ounce with gram as default  .

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Key Specifications

Feature Details

Max Capacity 620 g
Readability 0.001 g (1 mg)
Display Resolution 620,000 counts
Pan Diameter 110 mm
Draft Shield Yes (to prevent air currents)
Weight Sensor Electro-Magnetic Force Restoration (EMFRT)
Display Type White LED, 14 mm height
Units Grams (default), Carat, Tola, Ounce
Power Supply 230 V AC → 9.5 V DC, max 11 W (50 Hz ±10%)
Battery Option Lithium-ion (7.4 V/2.2 Ah), up to 6 h backup
Data Storage Up to 1000 weight records
Interfaces RS-232 for printer/PC connection
Print Options Serial print formats, jewelry tag label, real-time date (RTC)
Calibration Software (external weight)
Tare Range Full capacity
Repeatability ±1 d, Linearity ±2 d
Operating Temp. 10 C to 40 C
Dimensions 190 × 275 × 96 mm
**Weight (Balance Only)** 2–2.3 kg
Certifications Legal Metrology (India) compliant; calibration certificate available 

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Notable Features

High Precision: With 1 mg readability and EMFRT sensor, the AX‑620G ensures highly accurate and repeatable measurements  .

Multi-unit Support: Ideal for jewelry weighing (grams, carat, tola, ounce)  .

Extended Battery Life: Optional lithium-ion battery enables up to 6 hours of portable operation  .

Data and Print Integration: Capable of real-time printing with serial tags, date stamps, and storing up to 1000 entries  .

Compact & Robust: Small footprint and draft shield make it easy to use in dusty or busy environments, while meeting compliance standards for legal metrology  .

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Applications

The AX‑620G is widely used in:

Jewelry shops and hallmarking

Gemstone and bullion weighing

Labs requiring high accuracy (small sample weights)

Textile measurements using conversion factors like yarn, roving, etc.