... From Setup Menu, choose calibration and immerse pH electrode into indicated pH calibration solution, press the ENTER key and ... slopes, you can decide whether to replace the pH electrode.Automatic Temperature CompensationThe meters provide manual or automatic ... 32(H)mm185(L)×88(W)×32(H)mmWeight300g300gAccessories:pH Electrode, Standard pH Buffers, Temperature Probe, Battery. Optional Accessory: Carrying ...