CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Waterproof and Dustproof Housing - IP67 rated, ideal for rugged harsh conditions. Plus it floats! Multi-parameter - toggle between pH/ temperature and Conductivity/ temperature at touch of buttons Multi-Point Push-button Calibration ( up to 3/ 4 points for pH/ Conductivity) - for easy, quick calibration Auto-Buffer Recognition for pH calibration - no calibration mistakes Auto-Ranging for Conductivity measurements for fast response and best resolution over measurement range Stability Indicator prompts whenever reading stabilizes Hold Function momentarily freezes reading for easy viewing and recording Auto-Power Off saves battery power after non-use Self-Diagnostic with message codes for easy troubleshooting Large Easy-to-Read Custom LCD with simultaneous display provides optimum viewing with user-friendly icons Combined Multi-sensor Submersible Probe with 3m submersible cable - no need to switch probes when switching measurement modes Rugged Carrying Case ( Optional) provides handy on-site meter calibration and measurement