The Mystrica 2 0 Wireless Colorimeter has been developed by practising teachers to help teachers of sciences to deliver programmes of interesting and meaningful practical work The instrument delivers high quality performance in a small robust user-friendly and affordable package Stand-alone or linked to a PC tablet or phone the colorimeter can make colorimetry accessible to students of all ages across the curriculum The combination of low cost ease of use and high performance make this an ideal instrument for use as class sets with small groups or for individual projects at all levels of secondary education and beyond Specifications Power source 4×AA batteries (not included) or USBA to miniB Power switch On/Off – automatic switch off after 2 minutes unless connected to USB or app Wireless connection Bluetooth 4 0 (LE Smart) Measures Transmittance 0-100 0% - resolution 0 1% Absorbance 0 000-1 999 stand alone or 0 000-3 000 with PC or phone/tablet – resolution 0 001 LEDs Red 630nm Green 525nm Blue 465nm Sample holder 10×10mm plastic or glass cuvette capacity 4ml or 12mm diameter test-tube Weight 150g Packed weight 330g Contents colorimeter 10 cuvettes 10 cuvette caps 2 test-tubes USB cable laminated quick instruction card instruction manual PC Software System requirements Windows 2000 XP Vista Windows 7 8 or 10 with the NET Framework 2 0 or later installed Download Free at mystrica /files/Colourimeter_1 0 1 3 zip The Windows software is available in English French German Dutch Italian Spanish Irish Gaelic and Welsh IOS app Name Mystrica Colorimeter Download Free from the App Store Use with iPhone 4S or later (not 4) or iPad Air Mini 3rd & 4th generation Android app Name Mystrica Colorimeter Download Free from the Google Play Store Use with Bluetooth 4 0 enabled Android devices Apps have versions in English French and German Compliance CE compliance tested FCC ID 2AC8AMYS2