HI4112 - Lead/Sulfate ISE, Solid-state Combination
HI4113 - Nitrate ISE, Polymer membrane Combination
HI4115 - Silver/Sulfide ISE, Solid-state Combination
HI4221 RESEARCH GRADE pH/ORP/°C - 1 Channel-Meter
HI4521 RESEARCH GRADE pH/ORP/°C - EC/TDS/Salnity - 2 Channel USP
HI504112-2 pH/ORP Controller - 1 setpoint / digital and analog output
HI504222-2 pH/ORP Controller - 2 setpoints / digital and analog output
HI504224-2 pH/ORP Controller - 2 setpoints / digital and 2 analog outputs
HI5221 RESEARCH GRADE pH/ORP/°C - 1 Channel-Meter Benchtop
HI5222 RESEARCH GRADE ISE/pH/ORP/°C - 2 Channel-Meter Benchtop
HI5321 RESEARCH GRADE EC / TDS / Salinity and Temperature with Color-Display
HI5421 RESEARCH GRADE Dissolved Oxygen & BOD Benchtop