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MicroTPW Field Portable Turbidimeter (White Light) for Turbidity Testing

Designed to provide the ease of portability needed in the field with rugged durability, the MicroTPW is a necessity for anyone monitoring turbidity on the go. The shock-resistant carrying case holds everything necessary for field operation while the instrument itself removes easily to go wherever it is needed. With resolution of 0.01 NTU and an extended range to 1,100 NTU, the EPA Accepted White Light MicroTPW is a perfect partner for field use.


  • Auto ranging 0 - 1100 NTU
    Instrument senses turbidity level of sample and automatically adjusts to the appropriate measurement

  • Rugged portable carrying case
    Ensures durability and convenience no matter where your sample location happens to be

  • Simple calibration procedures
    Calibration initiated with the push of a button ensures accurate readings

  • Waterproof
    Waterproof housing allows sample measuring and cleaning in any wet environment

  • Completely self-contained
    Contains everything you need, including battery pack, manual, and calibration standards

  • Long battery life
    Over 5000 Tests on a single set of 4 - AAA alkaline batteries

  • ProCal calibration standards
    Quick and easy calibration across all ranges without the need to mix Formazin

  • Made in the USA


Conformance USEPA Method 180.1
Range Auto ranging from 0 - 1100 NTU
Resolution 0.01 NTU < 100 NTU
0.1 NTU < 100 - 999.9 NTU
1 NTU < 1000 - 1100 NTU
Accuracy ┬▒ 2% of reading or ┬▒ 0.01 NTU (0-500 NTU)
┬▒ 3% of reading (500-1100 NTU)
Response time 14 seconds
Power supply 4 - AAA alkaline batteries (over 5000 tests)
Display 4 digit (7 segment) LCD
Principle of operation Nephelometric
Certification CE, NEMA 4X. Designed to meet IP67
Light source White light - (tungsten)
Sample cells 10 ml


Literature and Specifications
Operators Manual

Chlorine Pocket Photometer Instruments and Accessories


Model Description
20000 MicroTPW Field Portable Turbidimeter (white light), 0 - 1100 NTU includes carrying case, one set of ProCal Primary calibration standards (0.02, 10, 100 NTU), indexing rings, w 4-AAA alkaline batteries, operator's manual and measuring cuvettes with light shields.


Model Description
19856 Cuvettes with light shield caps, 3 pack for MicroTPI and MicroTPW
22664 Batteries, AAA - 4 pack
24571s Rechargable battery pack with 120v charger
34381S ProCal Primary calibration standard - 10 NTU 60ml
39845 ProCal Primary calibration kit, (0.02, 10, 1000 NTU), for MicroTPI and MicroTPW



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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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