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HF Scientific

MicroTPW / TPI Handheld Turbidimeters

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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
MicroTPWUSEPA Method 180.1
MicroIPIISO 7027
Measurement RangeAuto-Ranging from 0 - 1100 NTU
Principle of OperationNephelometric
(0-500 NTU)± 2% of reading or ± 0.01 NTU
whichever is greater
(500-1100 NTU)± 3% of reading
Resolution0.01 NTU < 100 NTU
 0.1 NTU < 100.0 - 999.9 NTU
 1 NTU < 1000 -1100 NTU
Response Time14 seconds
Display4 Digit (7 segment) LCD
Light Source: 
MicroTPWWhite Light (Tungsten)
MicroIPIInfrared - LED (860nm)
Power Supply4 -AAA Alkaline Batteries
(over 5000 tests)
Sample Cells15 mL cell
 10 mL sample needed
Instrument CaseABS - Injection Molded
Carry CaseHigh Density Polyethylene blow
Shipping Dimensions28 x30.5 x 7.6 cm (11" x 12" x 3")
Shipping Weight1.22 kg (2.7 lbs)

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