Extech Instruments extech.com sales@extech.com (781) 890-9440 Location Address 9 Townsend W Nashua, NH 03063 Mailing Address 9 Townsend W Nashua, NH 03063 Products & Services Winery Equipment Laboratory Equipment/Analyzers/Instruments Instruments pH Meters Refractometers (handheld, benchtop, in-line) Update Profile