PW4M High-Precision Miniature Load Cell with Certificate PW4M High-Precision Miniature Load Cell with Certificate | HBM

PW4M and PW4M-OP Single Point Load Cells for Precise Weighing of Masses from 300 g to 5 kg

The small PW4M and PW4M-OP single point load cells are available in different options with maximum capacities ranging up to 5 kg. They offer extremely precise measurement results as well as an optimal price-to-performance ratio. Since they are approved in legal-for-trade applications and have an extremely high precision (accuracy class C3), these load cells are especially well-suited for batching, filling, and controlling tasks with small-sized packages, such as those used in the pharmaceutical, cosmetics, or food industries. The PW4M series is the only series of strain gauge-based single point load cells available with an OIML R60 test certificate for a maximum capacity of 300 g. Another special feature of the load cells is the PW4M-OP’s novel overload protection, which enables it to reliably withstand overloads of up to 10 times its maximum capacity.

  • Accuracy Class: C3 according to OIML R60
  • Minimum verification interval: up to 0.05 g
  • Maximum capacities: 0.3 kg up to 5 kg


New variant available now: PW4M-OP with overload protection.

High accuracy

  • Load cells with accuracy class C3 according to OIML R60
  • Ratio of minimum verification interval Y=10,000
  • Very low temperature coefficient of zero point
  • Off-center load compensation


Precise weighing owing to strain-gauge technology and OIML certification

Protected Design

  • Aluminum measuring body with a silicone rubber cover
  • Sheathed connection cable
  • IP65 degree of protection and EMC (electromagnetic compatibility) in compliance with EC regulations
  • Intelligent overload protection up to 10 times its maximum capacity (PW4M-OP)
  • Broad operating temperature range from -10 to +50 °C

For use in industrial applications: The PW4M-OP robust version with overload protection

Plug & Weigh™

  • Compact design, ideal for platform sizes up to 200 x 200 mm
  • Available with six maximum capacities for weighing extremely small masses (0.3 kg, 0.5 kg, 1 kg, 2 kg, 3 kg, and 5 kg)
  • Legal for trade with a test certificate (according to OIML R60)

Quick setup suitable for a wide range of weighing technology applications

Product Literature

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