Go Direct* pH Sensor, is a general-purpose pH sensor used to monitor pH of aqueous solutions, pH range: 0-14, Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference, Shaft diameter: 12 mm OD, Storage solution: pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
Go Direct* Current Probe User Manual, Probe range: +/-1 A and +/-0.1 A, 300 mA Li-Poly Battery, 24 hours Battery life, 500 full charge cycles (several years depending on usage) Battery life (long term), 1.5 A and 0.5 A non-damaging current, volt: +/-10 V
HOBO* Temperature/ RH Data Logger, weatherproof data logger with built-in temperature and relative humidity sensors, enables easy, fast set up and data download directly from your mobile device, Accuracy: +/- 0.2 DEG C and +/- 2.5% RH
InTemp* VFC Temperature Data Logger with 6.6' probe & 15 ml bottle, -40 deg to 100 deg C, Wireless Data Standard: Bluetooth Low Energy, Radio Power: 1 mW (0 dBm), Battery Type: Two AAA 1.5 V alkaline or lithium batt
USB Humidity/Temperature Datalogger, Easy-to-use Records Humidity and Temperature with Date/Time Stamp, Humidity: 0.1 to 99.9%RH, Temperature (Air): -22 to 158F (-30 to 70C), 5-digit LCD display with battery life indicator, Dimensions: 4.3x1.6x0.75in
HOBO* Water Level Data Logger, stainless steel, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 250 Foot Depth