Explorer Pro High Capacity Balance

The Ohaus Explorer® Pro Series, the new standard for performance and value in laboratory balances!

The Explorer Pro Series of standard level balances was designed for simplicity and includes the industry’s easiest user interface for effortless setup and operation; no training is required. The Explorer Pro offers all the features and durability found in high-end laboratory balances plus the traditional Ohaus quality and support for years of trouble-free use!


  • Simple 2-key menu navigation
  • Text prompts for fast setup
  • 7 Application modes plus below balance weighing
  • Brilliant backlit high resolution dot matrix display
  • RS232 port for easy communication with computer or printer
  • GLP compliant with user selectable outputs
  • 5 Language operational display text
  • Protective in-use cover and security bracket
  • Industry leading warranty and support
  • NTEP Legal-For-Trade approved models


Models without AutoCalTM EP12001† EP22001† EP32001†
Models with AutoCalTM EP12001C† EP22001C† EP32001C†
Capacity (g) 12000 22000 32000
Readability (g) 0.1
Repeatability (Std. dev.) (g) 0.1
Linearity (g) ± 0.4
Weighing Units gram, kilogram, pound, ounce, ounce troy, carat, pennyweight, Hong Kong Tael,
Singapore Tael, Taiwan Tael, mommes, grain, tical, Newton, custom
Application Modes Weighing, Parts Counting, Filling, Animal Weighing, Checkweighing, Differential Weighing, Formulation, Quick Check, Statistics
Features RS232 Port, Auxiliary Display Port, GLP Protocol, Selectable Environmental Settings, Selectable Auto-Print Settings, Weigh Below Hook, Contrast & Brightness Control, Protective In-Use Cover
Tare range Full Capacity by Subtraction
Stabilization Time (seconds) 4
Operating Temperature Range 50° to 86° F / 10° to 30° C w/o AutoCal
50° to 104°F / 10° to 40°C w/ AutoCal
Power Requirements 100-120 V AC, 220-240 V AC, 50/60 Hz
Calibration External/Internal
Display Type High Resolution LCD Dot Matrix w/Backlight
Pan size (in/cm) 11 x 14 / 28 x 35.6
Dimensions WxHxD (in/cm) 14 x 5.5 x 17.5 / 36 x 14 x 44.5
Net Weight (lb/kg) 27 / 12.3


  • A wide range of features and Specs available in a DataSheet.
Accessories Ohaus Number
Dot Matrix Printer - EU 80252043
Cable kit to connect Dot Matrix Printer to Explorer Pro 80500570
Paper for Dot Matrix Printer 80251932
Ink Ribbon for Dot Matrix Printer 80251933
Thermal Printer - EU 80251993
Thermal Printer - UK 80251994
Paper for Thermal Printer 80251931
Cable kit to connect Thermal Printer to Explorer Pro 12106964
RS232 Cable, PC 9 Pin to Explorer Pro 12106964
RS232 Cable, PC 25 Pin to Explorer Pro 80850014
Security Device for Explorer Pro High Capacity 80850000
In-Use Cover for Explorer Pro 80850042
OHAUS DAS Software 80253300