Lab Equipment

In-line Dual TDS Meter, after - before RO - DI monitor US $18.50

TEKTRONIX TDS420A TDS 420A OSCILLOSCOPE VGA MONITOR BOARD 671-3735-00 (S9-2-41) US $49.99

LCD PH PPM Temp EC CF TDS Water Hydroponic Aquarium Meter Digital Tester Monitor US $117.95

pH °C °F %RH EC CF TDS Monitor Meter Tester Thermometer US $86.90

LCD PH PPM Temp EC CF Water Hydroponic Aquarium Meter Digital Tester Monitor TDS US $115.90

Hydro Logic TDS Inline Monitor US $84.95

Milwaukee SMS410 2 point EC/TDS Monitor with Cal-Test US $114.45

Hanna Grochek Combo Monitor HI 991404 pH EC TDS Meter - gro chek hydroponics US $155.99

pH °C °F %RH EC CF TDS Monitor Meter Tester Thermometer US $72.60

MYRON L MICROSIEMENS/CM COND/TDS 758II MONITOR/CONTROLL US $250.00

HM Digital DM-2 Inline Dual TDS PPM Meter Monitor, DM2 US $45.50

DM-2: INDUSTRIAL DUAL TDS MONITOR US $49.95

EC Conductivity Meter Monitor Water Quality Tester TDS US $42.99

Digital TDS Conductivity Tester Hydroponics Meter Monitor ppm US $15.99

LCD PH PPM Temp EC CF Water Hydroponic Aquarium Meter Digital Tester Monitor TDS US $115.90

SM-1: In-Line Single TDS Monitor US $25.90

HM Digital DM-1: In-Line Dual TDS Monitor US $29.40

HM Digital DM-2: Commercial In-Line Dual TDS Monitor US $45.50

pH °C ORP EC CF TDS PPM Monitor Water Meter Tester LED US $95.30

HM Digital DM-1 Dual Inline TDS Meter Monitor Water Quality PPM Hydroponics R/O US $31.99

Mryon L Company 757II Analog TDS Monitor & Controller; 0-200 ppm TDS; US $99.00

NEW Milwaukee Instruments Smart 3 in 1 Meter w/ Probe pH / EC / TDS Monitor US $199.99

HM Digital DM-2 Inline Dual TDS ppm Meter/Monitor US $45.50

pH °C °F %RH EC CF TDS Monitor Meter Tester Thermometer US $74.90

HI 991404 Hanna pH/EC/TDS Monitor GroChek HI991404 US $148.50

Sero Systems GROWPak S1 Starter Kit Hydro Digital Control Monitor pH TDS Temp US $254.95

Sero Systems GROWPak S1 HYDRO 1 Kit Digital Control Monitor pH TDS Temperature US $575.95

pH °C °F %RH EC CF TDS Monitor Meter Tester Thermometer US $89.90

pH °C ORP EC CF TDS PPM Monitor Water Meter Tester LED US $99.99

Free Shipping TDS Digital Meter Water Quality Tester Monitoring 1999 ppm US $15.99

Sero Systems GROWPak S1 SOIL Kit Hydro Digital Control Monitor pH TDS Temp US $335.95

NEW HM Digital DM-1: In-Line Dual TDS Monitor DM 1 DM1 US $29.40

NEW HM DM-2: Commercial In-Line Dual TDS Monitor DM2 US $43.00

1/2" Tee Fitting for HM Digital DM-1/DM-2 TDS Monitor US $5.99

Milwaukee SMS415 TDS Monitor with Cal-Test, SMS 415 US $70.00

Milwaukee SMS410 TDS Monitor, SMS 410 US $76.25

Pocket/Pen Aquarium/Pool/Hydroponic TDS Meter/Monitor US $19.95

NEW HM DM-2: Commercial In-Line Dual TDS Monitor DM2 US $45.50

HM Digital DM-1 Inline Dual TDS Monitor with 1/4" Tees US $42.95

HANNA pH-TDS_TEMP MONITOR MODEL HI 981504-7 METER US $196.95

NEW HANNA HI 991404 pH/EC/TDS MONITOR GroChek US $149.00

2 RT-790 TDS Tester and Monitor LCD display for How Pure is Drinking Water US $69.50

HM Digital DM-1: In-Line Dual TDS Monitor US $27.88

Hydro-Logic Tds Monitor For Merlin Garden Pro US $75.00

Hm Digital Inline Dual Dm1 Tds Monitor US $44.99

Milwaukee Sms410 Tds Monitor US $117.49

Bluelab Guardian Monitor pH EC CF TDS Temp Gauge Conductivity Meter Hydroponic US $245.45

HANNA HI 991405 pH/EC/TDS Monitor/GroChek/HI991405 US $155.99

HANNA 981504/5 pH TDS CONDUCTIVITY TEMPERATURE MONITOR US $189.00

LCD PH PPM Temp EC CF Water Hydroponic Aquarium Meter Digital Tester Monitor TDS US $98.70

Po...

pH °C ORP EC CF TDS PPM Monitor Water Meter Tester LED, LCD PH PPM Temp EC CF Water Hydroponic Aquarium Meter Digital Tester Monitor TDS, pH °C °F %RH EC CF TDS Monitor Meter Tester Thermometer, LCD PH PPM Temp EC CF TDS Water Hydroponic Aquarium Meter Digital Tester Monitor, Digital TDS Conductivity Tester Hydroponics Meter Monitor ppm, TEKTRONIX TDS420A TDS 420A OSCILLOSCOPE VGA MONITOR BOARD 671-3735-00 (S9-2-41), Continuous pH/TDS/temp Monitor, LCD PH PPM Temp EC CF Water Hydroponic Aquarium Meter Digital Tester Monitor TDS, pH °C °F %RH EC CF TDS Monitor Meter Tester Thermometer, TDS Digital Water Quality Monitoring Meter Hydroponics, In-line Dual TDS Meter, after - before RO - DI monitor, TDS Digital Water Quality Monitoring Meter Hydroponics, BLUELAB GUARDIAN pH EC CF TDS TEMP MONITOR Hydroponics, Milwaukee Instruments Smart 3 in 1 Meter w/ Probe pH / EC / TDS Monitor, GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe ,

Po...