• Large LCD display shows conductivity or TDS readings along with temperature, meter mode, calibration status and battery life.
• Simple button layout and onscreen messages help with calibration and setup menu choices.
• AUTO-READ™ locks in the stable reading and ready indicator alerts when readings are stable.
• Selectable cell constant.
• Manual or automatic calibration when using an Orion® conductivity standard (sold separately).
• Selectable reading reference temperatures of 20ºC or 25ºC.
• Non-volatile memory holds up to 50 data points.
• Waterproof. IP-67 rated housing.
• Log function: Manual or automatic with AUTO-READ™. Log edit: delete last reading or all.
• Inputs: 8-pin mini-DIN.
• Power: 4 x AA batteries (included) or AC adapter 100-240V (optional). Batteries provide up to 2000 hours of use.
• Warranty: 3 year meter replacement.

Specifications:
• Conductivity range: 0.10µS/cm to 200.00mS/cm. Accuracy: 0.5% reading ± 1 digit. Compatible cell constants: 0.001 to 10. 1-calibration point.
• TDS range: 1 to 19,999mg/L, with 4 significant digit resolution and 0.5% reading ± 1 digit accuracy. TDS factor range: linear 0.01 to 10.00, default 0.49.
• Temperature range: -5.0 to 105.0ºC (23 to 221ºF) ±0.1. Temperature offset calibration.