HM Digital C342 C 342 ppm / 700 µS TDS/EC Calibration Solution, 90ml, 3oz 891144 000014
342 ppm as NaCl; 362 as KCl; 478 as 442; 700 µS $15.99 | HM Digital C1000 C 1000 ppm / 2000 µS TDS/EC Calibration Solution, 90ml, 3oz
1000 ppm as NaCl; 1060 as KCl; 1450 as 442; 2000 µS; 891144 000038
$7.99 |
Spare 1.5 V Battery for eSseasongear, HANNA, HM Digital and Milwaukee Pocket pH TDS ORP Testers, Pack/10
Replacement button battery batteries for Pen style Tester Meter, SALT-3000, SALT-3050, TDS-EZ, ZT-2, TDS-3, TDS-4, COM-80, PH-80 and many more. $3.99 |