The Autables AU639 Mini Load Cell is a high-precision strain gauge load cell designed for low-weight measurement applications like 100g. With a rated output of 0.6 ± 0.15 mV/V and excellent accuracy of 0.05% Full Scale, this load cell is ideal for electronic weighing scales, laboratory instruments, dosing systems, and embedded IoT projects.
Built with stable performance characteristics such as low non-linearity, low hysteresis, and high repeatability, the AU639 ensures reliable measurements even under temperature variations. It supports a 5–10V DC excitation voltage and features 1000Ω input/output impedance, making it fully compatible with popular load cell amplifiers like HX711 and industrial signal conditioners.
Its compact size, safe overload protection up to 120% FS, and durable insulation resistance make it suitable for both R&D and commercial weighing solutions.
Applications:
Mini digital weighing scales
Dosing & dispensing systems
Laboratory instruments
Embedded electronics & IoT projects
Precision force measurement
 
Parameter
Unit
Specification
Product Type
—
Load Cell
Model
—
AU639-100G
Capacity
g
100g
Precision
%FS
0.05
Rated Output
mV/V
0.6 ± 0.15
Non-linearity
%FS
0.03
Hysteresis
%FS
0.03
Repeatability
%FS
0.03
Creep
%FS / 3min
0.03
Temperature Effect on Zero
%FS/°C
0.15
Temperature Effect on Span
%FS/°C
0.30
Zero Balance
%RO / 1min
0.5
Input Impedance
Ω
1000 ± 50
Output Impedance
Ω
1000 ± 50
Insulation Resistance
MΩ
≥ 2000 (50V DC)
Temperature Compensated Range
°C
−10 to +40
Recommended Excitation Voltage
V DC
5 – 10
Cable Diameter & Length
mm
Ø0.6 × 50
Safe Overload
%FS
120
Ultimate Overload
%FS
150
Connection – Excitation
—
Red (+), Black (−)
Connection – Signal
—
Green (+), White (−)