Calibration Gas Cylinders — BW / RAE Detectors Gas:Methane 2.5% (50% LEL) and SD-card datalogging across all

and SD-card datalogging across all 32 channels

and ISE sensors — not compatible with Turbidity or Total Algae Browse ProDSS Smart Sensors on the YSI ProDSS Smart Sensors page

Humidity- and contamination-resistant Fence Electrode Technology

5 mm plug-in connection designed exclusively for edge meters (no pins to bend or break)

Compatible with: Hanna edge HI2020 multiparameter pH meter (and edge pH docks)

Calibration Gas Cylinders — BW / RAE Detectors Gas:Methane 2.5% (50% LEL) and SD-card datalogging across allCalibration and bump test gas for Honeywell BW and RAE portable gas detectors. Regular calibration keeps your monitor accurate and compliant. The four gas quad mix (HS CO O LEL) covers standard confined space monitors; single gas cylinders and zero air are available for specific sensors. Many more gases, concentrations and cylinder sizes are available (34L 58L 103L 206L). Call 800 833 7958 for the exact mix you need.