Meters & Instruments

Showing 1–12 of 24 results

• 

  SpotOn Quantum PAR Light Meter

  $349.95
• 

  SpotOn 36″ Extension Wand

  $59.95
• 

  HM Digital PH-80 Pen Style pH/Temp Meter

  $46.50
• 

  HM Digital Pro Series PH-200 Pen Style pH/Temp Meter

  $99.95
• 

  HM Digital TDS-3 Pen Style TDS/EC/Temp Meter

  $19.95
• 

  HM Digital COM-80 Pen Style TDS/EC/Temp Meter

  $42.95
• 

  HM Digital Pro Series COM-100 Pen Style TDS/EC/Temp Meter

  $74.95
• 

  HM Digital Pro Series COM-300 Pen Style pH/TDS/Temp Meter

  $159.95
• 

  HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor

  $299.99
• 

  HM Digital Hydromaster HM-200 Portable pH/TDS/EC/Temp Meter

  $274.95
• 

  HM Digital Hydromaster HM-500 Continuous pH/TDS/EC/Temp

  $359.95
• 

  HM Digital Replacement pH/Temp Sensor for PH-200

  $44.95