Overview
The MK739 is a compact parallel-beam load cell combining high accuracy with strong off-centre-load rejection and industrial-grade durability. Its tight, stable measuring structure makes it a reliable sensing core for automated weighing and process control on busy production lines.
Key Features
- High accuracy (–) for precise measurement
- Aluminum alloy elastic element for durability and corrosion resistance
- Sealed to IP66 for reliable operation in harsh environments
- Standard output 2.0±5%mV/V, compatible with common indicators
- Compact design for straightforward integration
Applications
Commonly fitted to industrial batching and dosing scales, quantitative packaging scales, belt-conveyor and hopper scales, and automatic sortation systems.
| Technical Parameters | |||
|---|---|---|---|
| Rated capacity | 10kg 20kg 50kg 100kg | Comprehensive accuracy | – |
| Temp.compensated range | -10°C~40°C | Output sensitivity | 2.0±5%mV/V |
| Operating temp. range | -20°C~60°C | Nonlinearity | ±0.015%F.S. |
| Temp. Effect on Output | ±0.02%F.S./10°C | Hysteresis | ±0.01%F.S. |
| Temp.Effect on Zero | ±0.02%F.S./10°C | Repeatability | ±0.01%F.S. |
| Input impedance | 405±10Ω | Creep (30 min) | ±0.02%F.S./30min |
| Output impedance | 350±3Ω | Zero balance | ≤±2%F.S. |
| Insulation resistance | ≥5000MΩ / 50VDC | Excitation voltage | 5 12V DC |
| Material | Aluminum alloy | Safe overload | 120%F.S. |
| Protection class | IP66 | Cable connection | Red: Exc+ (excitation +), Black: Exc- (excitation -); Green: Sig+ (signal +), White: Sig- (signal -); Blue: Sen+ (feedback +), Yellow: Sen- (feedback -); Shield (grounded shield) |
Dimension Drawing

Frequently Asked Questions
What are the typical applications of the MK739?
Commonly fitted to industrial batching and dosing scales, quantitative packaging scales, belt-conveyor and hopper scales, and automatic sortation systems.
Which indicator, transmitter or system works with the MK739?
It outputs a standard mV/V strain signal, so it connects to most weighing indicators and transmitters — including those in our Sensor Accessories range.