Nidec-SHIMPO FG-3009 Digital Force Gauge/Data Logger Kit, 220 lbs

SD Card Datalogger pH Meter

Apera PH8500-SA Portable pH MeterAlkali/High Salinity Solutions GLP Data Logger

MANNIX DPH8601K PH/MV METER KIT - NEW

Milwaukee PH-MAIN Maintenance Kit for pH / ORP Meters and Testers

Fisher Scientific Accumet AP72 Waterproof Portable Ph/Temp Meter Kit 13636AP72

Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger