YSI PRO30 Conductivity Instrument

YSI Pro30 Conductivity Instrument Handheld Conductivity, Salinity, Specific Conductance, TDS (total dissolved solids), Temperature Rugged and reliable, the YSI Pro30 is ideal in any field application for the measurement of conductivity. The Pro30 features userreplaceable cables in lengths up to 30-meters, 50 data set memory, and a simple calibration routine. True field performance is verified with the IP-67 waterproof and impact resistant case - drop tested at 1-meter. Additionally, the YSI super-stable 4-electrode conductivity cell is so reliable it is built directly into the 2-year warranty cable.



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  • 3-year instrument; 2-year cable and sensor warranty
  • User-replaceable cables. Conductivity sensor built into cable. Choose among 1-, 4-, 10-, 20-, or 30-meter cables.
  • Fast cal routine allows easy calibrations with the press of a button. Remembers the previous calibration values and simply walks you through the routine.
  • Stores 50 data sets; no need to write down data
  • Graphic, backlit display and glow in the dark keypad
  • Tough. IP-67, impact-resistant, waterproof case even without the battery cover. Rubber over molded case provides extra durability.
  • Rugged, military spec connectors. Bayonet style with keyed- quarter-turn lock.
  • Super-stable, weighted 4-electrode conductivity sensor is built in for true field performance and designed for rugged conditions.

Easily cleaned with a conductivity cleaning brush. The Pro30 is an ideal meter for field work. Tough, smart and versatile. Replacement for the Model 30 conductivity handheld.

Part Number Description
Notes - Compatible With
Instrument Only
YSIPro30 Conductivity, Salinity, TDS and Temperature Handheld
Sensors and probe/cables sold separately
Cables/probe Assemblies
YSI30-1 Cond/Temp 1-meter cable assembly
YSI30-4 Cond/Temp 4-meter cable assembly
YSI30-10 Cond/Temp 10-meter cable assembly
YSI30-20 Cond/Temp 20-meter cable assembly
YSI30-30 Cond/Temp 30-meter cable assembly
YSI626444 Pro Series Lab Dock
All Professional Series with or without Saddle
YSI3075 Carrying Case, Soft Sided
All Professional Series systems
YSI3074 Carrying Case, Hard Sided
All Professional Series systems and Legacy 556
YSI6262 Carrying Case, Soft Sided, Small ProSeries
YSI3070 Shoulder Strap
All Professional Series instruments
YSI3069 Belt Clip
All Professional Series instruments
YSI614 Ultra Clamp
All Professional Series instruments
YSI4654 Tripod Clamp
All Professional Series instruments
YSI5745 Maintenance Kit
All Professional Series probe assemblies
YIS038213 Brush, Tube Cleaner
All probes with conductivity cells
YISI601205 Grease, o-ring ( size is a 2cc tube)
YIS3062 Cable Management Kit
All probe/cables longer than 1 meter
YSI5978 Weight, Probe/Cable, 4.9 oz
All single port probe assemblies, Quatro and ProDSS cables