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LaMotte® Smart3 Colorimeter and Reagents

This direct-reading colorimeter is ideal for complete, on-site analysis.

  • Length: 6"
  • Width: 3¼"
  • Diameter: 2½"
  • Weight: 11 oz.
  • Transmittance Range: 0-125%
  • Resolution: 1%
Any of 75 preprogrammed tests and up to 20 user-entered tests for reagent systems can be selected quickly and easily. Results are displayed in concentration (ppm) or absorbance. The data logger holds up to 500 time and date-stamped data points. It also features self-diagnostics with error/warning messages, RS232 port, auto zero, and auto shutoff. Super Twist LCD display enhances readability, and optional software provides flexible data storage and manipulation. Transmittance range is 0-125%, resolution is 1%, accuracy is ±2% fs, absorbance range is 0-2.0 AU, resolution is 0.001 AU, and accuracy is ±0.005 AU.

Only ACS raw materials are used to manufacture these reagent systems for the Smart Colorimeter.

Accessories information: Additional factors are available; call for a full list.

Ordering information: An AC adapter, 9 V battery, and four sample tubes are included, along with an instruction manual.



Item # Description Width Unit Availability Price Quantity
470002-194 LaMotte® Smart3 Colorimeter
31/4" Each Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-387-9393 or email


Complementary Reagents
Item # Description Concentration Range No. of Tests Unit Availability Price Quantity
470203-092 Nitrate Reagent for Smart3 Colorimeter
0-3 ppm 20 Kit of 1 Retrieving Restricted
470203-100 Dissolved Oxygen Smart Color Reagent
0-10 ppm 100 Kit of 1 Retrieving Restricted
470203-094 Phosphate Reagent for Smart Colorimeter
0-3 ppm 50 Each Retrieving Restricted


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