The Apera ORP60 tests ORP (Redox) and Temperature. 

Model:                   ORP60
LCD Display:         Dual - ORP and Temperature
ORP Range:           ± 1000 mV
ORP Resolution:    1 mV
ORP Accuracy:      ± 0.2 % Full Scale
Temp Range:        0 to 50° C
Temp Accuracy:    ± 0.5 °C
Calibration:           1 point Auto