PLEASE NOTE: DUE TO SEVERE WEATHER SOME ORDERS MAY HAVE A DELAY, WE APOLOGIZE FOR ANY INCONVENIENCE
Mon-Fri 8am - 8pm | Sat 9am-3pm EDT
Se habla español
SHOP
Mon-Fri 8am - 8pm | Sat 9am-3pm EDT

HM Digital

  • Replacement battery for HM Digital TDS-3, TDS-4, TDS-4TM, TM-1, COM-100, & DM-1 meters
    Regular Price: $2.00
    Sale Price: $1.00
  • Replacement battery for HM Digital AP-1 & AP-2 meters
    Regular Price: $2.00
    Sale Price: $1.25
  • For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
    Regular Price: $8.00
    Sale Price: $4.95
  • For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
    Regular Price: $8.00
    Sale Price: $4.95
  • For use with HM Digital's PH-200 and ORP-200. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the cap with the OP-STOR storage solution.

    Regular Price: $10.00
    Sale Price: $6.00
  • 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.
    Regular Price: $17.00
    Sale Price: $9.95
  • 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.
    Regular Price: $27.00
    Sale Price: $15.95
  • Ideal for all water purification applications, waste water regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times!
    Regular Price: $30.00
    Sale Price: $18.00
  • Professional Grade Precision TDS Meter With Magnetic Back meter with a sleek design that's perfect for today's modern kitchen
    Regular Price: $50.00
    Sale Price: $29.95
  • The HM Digital DM-1 Digital TDS Monitor is The Perfect Way To Monitor the Quality of Your RO Water

    Regular Price: $67.00
    Sale Price: $39.95
  • Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.
    Regular Price: $100.00
    Sale Price: $59.95
  • Install on industrial systems such as car washes, window washing, manufacturing, and food processing.
    Regular Price: $100.00
    Sale Price: $59.95
  • Inline conductivity meter that can be used on commercial water treatment systems such as car washes, window washing, manufacturing, and food processing.

    Regular Price: $100.00
    Sale Price: $59.95
  • Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more.
    Regular Price: $133.00
    Sale Price: $79.95
  • Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit & vegetable washing, hydroponics, metal finishing, ozone system monitoring, pharmaceutical & medical applications, pools & spas, pulp bleaching, vineyards & wineries and water treatment.
    Regular Price: $147.00
    Sale Price: $87.95
×

 

Price:
Actual Price:
Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page.

You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.
Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page.

You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.