may do clo du

Orion™ AQUAfast™ AQ3170 Colorimeter

The Thermo Scientific™ Orion™ AQUAfast™ AQ3170 colorimeter has a rugged and waterproof design to provide accurate chlorine measurements whether testing in the laboratory or the field. This colorimeter is designed to improve the user experience by including a large, backlit display, a real time clock and automatic data logging. The AQUAfast AQ3170 colorimeter is used in markets such as drinking water, wastewater, food & beverage, aquaculture, and agriculture.


The Orion AQUAfast AQ3170 chlorine colorimeter is ideal for the dedicated free and total chlorine testing of water and wastewater and is designed to assist with US EPA testing compliance for free and total chlorine measurements of drinking water and wastewater samples. Using an LED light source at 530 nm, this colorimeter measures two free and total chlorine testing ranges of 0.02 to 2.00mg/L chlorine using powder DPD reagents and standard 24mm vials and 0.1 to 8.0mg/L chlorine using powder DPD reagents and new 10mm plastic vials. The AQUAfast AQ3170 chlorine colorimeter is CE certified, IP-67 waterproof and accepts Orion AQUAfast free and total chlorine powder DPD reagents, available as standard 100 individual powder packs and new bulk powder dispensers with refillable vials for 250 dispense counts each. The Orion AQUAfast primary and secondary chlorine standards are also now available as separate accessories for the AQUAfast AQ3170 chlorine colorimeter.

  • Convenient scroll-driven menu system
  • Automatic switch-off
  • 16-point internal automatic data storage with date/time stamp
  • Easy-to-read, backlit display
  • One time zero function
  • Waterproof design
  • Angled, ergonomic design for easy bench top or hand-held use
  • Calibration to government or organizational standards (ex. NIST or ISO)
  • 2 year warranty


Dimensions (L x W x H)155 x 75 x 35mm
Wavelength Accuracy±1 nm
Accuracy±0.05 mg/L (0.02 to 1.00 mg/L); ±0.10 mg/L (1.01 to 2.00 mg/L); ±0.20 mg/L (2.01 to 3.00 mg/L); ±0.30 mg/L (3.01 to 4.00 mg/L); ±0.40 mg/L (4.01 to 8.00 mg/L)
Auto Shut Down Time10 minutes after last keypress
Backlight OptionYes
Battery Life17 hours operating time or 5,000 measurements in continuous mode when display backlight is off
Battery Type4 AAA 
DescriptionAQUAfast AQ3170 Chlorine Colorimeter
Display TypeBacklit LCD
Incident Light Source1 Light Emitting Diode (LED)
LED Wavelengths530 nm
Test Reagent FormatsPowder packs, bulk powder dispensers
Weight (Metric)260 grams (includes batteries)
Warranty2 years
IncludesColorimeter with free and total chlorine powder packs (100 each), sample vials with lids, field case, batteries and literature
Waterproof RatingIP67
CalibrationUser and factory calibration functions
Data Storage16 with date/time stamp
For Use With (Equipment)Reagents: AC4P71, AC4P72, AQ250F, AQ250T; Vials: AC2V24, AC2V10; Standards: CLSK100, CLSK200
RangeLow Range: 0.02 to 2.00 mg/L; High Range: 0.10 to 8.00 mg/L
Unit Size-

Hotline: 0916334243