OHAUS PS Series Portable Balances

Category Laboratory Balances
Manufacturer Ohaus
Country of manufacture the United States

PS portable balances are easy to take with you wherever your need to weigh is. Whether it's transported back and forth from school in a student's backpack or brought to different jobs in a worker's tool kit, PS makes portable weighing convenient. PS offers a simple two-button operation, a crisp LCD display and most importantly, fast and reliable results.


Liquid crystal display (LCD)

2 lithium batteries (included)

ABS housing and protective sliding pan

Design Features
Mechanical and software overload/underload protection, auto shut-off


  • The one-piece combination pan and cover slides back when being used to weigh and forward when not in use to protect the buttons and display during storage and transportation.
  • One of the smallest portable balances on the market, PS can easily fit in to a standard shirt pocket.
  • The "pop-out" design of the battery compartment provides simple and fast battery replacement.
Key Attributes
Capacity 120g or 250g
Readability 0.1g
Calibration External
Draft protection None
Data output port None
Warranty 2 Years


Manufacturer Specifications
Model PS121 PS251
Capacity (g) 120 250
Readability (g) 0.1
Repeatability (Std. Dev.) (g) 0.1
Linearity (g) 0.1
Off-Center Load (g) 0.1
Weighing Units g, oz, ozt, dwt
Power Requirements 2 lithium batteries (included)

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