The Extech FL700 Fluoride meter is an electrode sensor that directly reads total fluoride ions in water samples from 9.99 ppm or mg/L down to 0.1ppm automatic temperature compensation (±10 degrees C of calibration temperature) in less than one minute. This product is part of the Extech Instruments brand which designs handheld meters and testers for field and laboratory testing. The brand is currently owned and distributed by FLIR Commercial Systems Inc.
SDG 6: Clean Water and Sanitation
Market Suggested Retail Price
Target Users (Target Impact Group)
Household, Small and Medium-sized Enterprises
Distributors / Implementing Organizations
Extech has US distributers and international distributers.
The Extech FL700 fluoride meter is designed and manufactured by the Extech Instruments brand of FLIR Commercial Systems Inc. based in Nashua, New Hampshire, USA.
Intellectural Property Type
User Provision Model
User can purchase the FL700 fluorimeter through US or international Extech distributers.
Distributions to Date Status
The Extech FL700 Fluoride meter incorporates a sensing electrode, measuring electronics, and display and comes with TISAB reagent tablets, a sensor cap, four 3V button batteries, and a 48? (1.2m) neckstrap. The system requires a 10 mL volume for testing and must be calibrated prior to each new measurement batch or if more than 12 hours has elapsed since last calibrated. See the user’s manual for more specific information. Dimensions of the FL700 fluoride meter are: 36 x 173 x 41 mm. Weight: 210g
For questions, technical support, laboratory calibration certifications and repair services users can contact the Extech service and support.
Replacement components include: FL705 Replacement Fluoride Electrode module for FL700 and FL704 TISAB Reagent Tablets (100 tablets).
This product includes a limited 1 year warranty. It has a ingress protection rating of IP57 which means it is protected against dust limited ingress and again the effect of immersion in liquid between 15 cm and 1m. Therefore having high durability, users must not exceed 1 m of immersion of this product in liquid. Also, for appropriate maintenance, users must follow the user’s manual.
Manufacturer Specified Performance Parameters
The Extech FL700 Fluorimete was designed to be quick and accurate in measuring fluoride ions in drinking water and other aqueous samples; to detect from 9.99 ppm or mg/L down to 0.1 ppm within one minute and with automatic temperature compensation.
Vetted Performance Status
Unknown, this product has been tested by a third-party for EC EMC Directive and RoHS Directive for CE Marking (see declaration of conformity here).
No known safety hazards are related to this product. The CE Mark that this product has certifies that it meets the EU health, safety and environmental requirements which ensure consumer safety.
Complementary Technical Systems
Academic Research and References
Compliance with regulations
This product is in compliance with EPA Method 340.2. (Potentiometric Ion Selective Electrode) and the EC EMC Directive and RoHS Directive for CE Marking. It is Waterproof to IP57. The Extech Instruments brand, under FLIR Commercial Systems, is certified to the ISO 9001:2015 standard.
The EPA Method 340.2 for Potentiometric Ion Selective Electrode, the EC EMC Directive and RoHS Directive for CE Marking and the Ingress Protection rating developed by the European Committee for Electro Technical Standardization.
Watch a Fluoride measurement video to see product being used.