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Pocket Pro+, Multi 2 (pH/Conductivity/TDS/Salinity), Hach

Hach Pocket Pro and Pro+ are engineered to deliver accurate results. Calibration functions for ongoing testing, diagnostics with select models and a stabilized sample lock ensure you get the right reading. You also get replaceable batteries for convenient field use, and a large, easy-to-read LCD screen.

Confidence in results; to maximize accuracy all testers are factory calibrated, select models offer user-calibration, and pH models have performance diagnostics

Auto-Buffer Recognition. ATC. Selectable Temp (°C or °F). Auto-Off. Reading Hold. Waterproof (IP67 and floats). Quick-Release Lanyard (included). Transparent Sensor Cap.

Save time and money; easy-to-replace AAA batteries and convenient sample cup save time on maintenance and measurements. Ease of use; intuitive user interface guides users through the calibration and measurement process with a large, easy-to-read LCD screen.

See it in action



Item # Description Unit Availability Price Quantity
89508-386 Pocket Pro+, Multi 2 (pH/Conductivity/TDS/Salinity)
Each Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 1-800-727-4368 or email


pH Range ±0.02 pH
pH Resolution 0.01 pH
pH Accuracy ±0.02 pH
Conductivity Range Auto-ranging; 0.0 to 199.9 µS/cm; 200 to 1999 µS/cm; 2.00 to 19.99 mS/cm
Conductivity Resolution Auto-ranging; 0.0 to 199.9 µS/cm; 200 to 1999 µS/cm; 2.00 to 19.99 mS/cm
Conductivity Accuracy ±1% FS
Salinity Range 0.00 to 10.00 ppt; 0.00 to 1.00%
Salinity Resolution 0.01 ppt; 0.01%
Salinity Accuracy ±1% FS
TDS Range Auto-ranging ; 0.0 to 99.9 ppm; 100 to 999 ppm; 1.00 to 10.00 ppt
TDS Resolution 0.1 ppm from 0.0 to 99.9 ppm; 1 ppm from 100 to 999 ppm; 0.01 ppt from 0.00 to 10.00 ppt
TDS Accuracy ±1% FS
TDS Conversion Factor 0.4 to 1.0; default of 0.71 (TDS factor, adjustable)
Calibration pH: 3 point, Cond: 3 point; customer-defined pH: 2 point, Cond: 1 point
Temperature Range (°C) 0.0 to 50.0°C
Temperature Resolution (°C) 0.1°C
Temperature Accuracy (°C) ±0.5°C
Batteries AAA×4
Reference temperature 20° or 25°C (Cond.), selectable EC
Sensor pH: Single-Junction (electrode/ Sensor)
Operating Temperature 0 to 50°C
Battery Life 280 hrs
Parameter Pocket Pro+, Multi 2 (pH/Conductivity/TDS/Salinity)


Item # Description Unit Availability Price Quantity
89508-388 Replcement Sensor for Pocket Pro+, Multi 2
Each Retrieving Restricted



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