COM-100 Waterproof EC / TDS / Temperature Combo Meter HM Digital $54.00 $64.95 Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology... Add to Cart
HM Digital HMCC-1 Controller Cover HM Digital $19.96 $27.99 HM Digital HMCC-1 Controller Cover for PSC-154. COVER ONLY Add to Cart
HM Digital ORP-200 Waterproof ORP Meter HM Digital $77.00 $110.00 ORP-200: Waterproof ORP Meter Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine... Add to Cart
HM Digital Replacement Sensor for ORP-200 HM Digital $44.00 SP-O2HM Digital Replacement Sensor for ORP-200 HM Digital Replacement Sensor for ORP-200 Add to Cart
HM Digital Replacement Sensor for PH-200 HM Digital $31.46 $44.95 SP-P2HM Digital Replacement Sensor for PH-200 HM Digital Replacement Sensor for PH-200 Add to Cart
HM Digital SP-1-PSC TDS/EC Sensor for the PS/PC and PSC Series Controllers HM Digital $44.21 $58.95 HM Digital SP-1/SP-1-PSC Replacement Sensor Used with HM Digital Controllers PSC-150, PSC-154 and CIC-152 to include the older PC and PS series controllers. Replaces the older SP-1 sensor. Add to Cart
ORP Buffer Solution and Electrode Test Kit HM Digital $18.95 ORP Buffer Solution and Electrode Test Kit HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite... Add to Cart
pH Buffer Solution Variety Pack HM Digital $9.95 $18.00 HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. Use these buffers with any pH instrument... Add to Cart
PH-200 Waterproof pH Meter HM Digital $70.00 $81.75 Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing,... Add to Cart
PSC-154 HM Digital EC/TDS Controller w/ 4-20 mA signal and conductivity electrode HM Digital $181.00 $298.00 PSC-154: TDS/EC Controller with 4-20mA Output New controller includes extended range, digital calibration, on-screen temperature, tri-color display and 4-20mA output. *** Includes... Add to Cart
HM Digital AP-1 AquaPro Water Quality Tester (TDS) HM Digital $29.95 HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next... Add to Cart
HM Digital AquaPro AP-2 Water Quality Tester (EC) Conductivity HM Digital $25.75 $32.00 The conductivity of water is very important for water management. For controlling and managing these factors, various conductivity tests are performed on water sources. EC water quality testing... Add to Cart