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Lab Equipments & Instruments

HF Scientific
MicroTPW / TPI Handheld Turbidimeters

MicroTPW USEPA Method 180.1
MicroIPI ISO 7027
Measurement Range Auto-Ranging from 0 - 1100 NTU
Principle of Operation Nephelometric
(0-500 NTU) ± 2% of reading or ± 0.01 NTU
whichever is greater
(500-1100 NTU) ± 3% of reading
Resolution 0.01 NTU < 100 NTU
  0.1 NTU < 100.0 - 999.9 NTU
  1 NTU < 1000 -1100 NTU
Response Time 14 seconds
Display 4 Digit (7 segment) LCD
Light Source:  
MicroTPW White Light (Tungsten)
MicroIPI Infrared - LED (860nm)
Power Supply 4 -AAA Alkaline Batteries
(over 5000 tests)
Sample Cells 15 mL cell
  10 mL sample needed
Instrument Case ABS - Injection Molded
Carry Case High Density Polyethylene blow
Shipping Dimensions 28 x30.5 x 7.6 cm (11" x 12" x 3")
Shipping Weight 1.22 kg (2.7 lbs)

Designed to provide the ease of portability needed in the field with rugged durability, the MicroTPW / TPI 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 a resolution of 0.01 NTU and an extended range to 1,100 NTU, the MicroTPW / TPI is a perfect partner for field use. Advanced HF microcircuitry design substantially increases lamp and battery life.

Standard Features:
  • MicroTPW - EPA Accepted Method 180.1
  • MicroTPI - Conforms to ISO 7027
  • Rugged Self-Contained Carrying Case: Contains everything needed, including battery pack, manual, and calibration standards. Ensures durability and convenience regardless of where the sample needs to be taken
  • Water proof housing allows sample measuring and cleaning in any wet environment
  • Auto Ranging 0 - 1100 NTU: Instrument senses turbidity level of sample and automatically adjusts to the appropriate measurement range

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