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Field measurements in changing water conditions need pH values that account for temperature without extra calculation. ECO 511 measures pH and redox in water and aqueous media, with automatic temperature compensation via a connected Pt1000 sensor. It covers 0.00 to 14.00 pH, ORP from ±1500 mV and temperature from -5.0 to +105.0 °C, supporting work in drinking water, waste water, surface water, swimming pools, fish breeding and process chemistry.
The instrument keeps demanding mobile work manageable. Its BNC electrode connection and protected housing provide ingress protection (IP65/IP67) with compatible waterproof electrodes, while the 3-line backlit LCD can be rotated for overhead reading. Alarm options use text insertion, an acoustic signal and flashing backlight, helping users react when limits are exceeded. Min/max/hold functions, 2 AA batteries and > 3000 h typical operation make it a practical choice for repeat checks on site.
The ECO 510 measures pH in water and aqueous media using suitable BNC electrodes. The medium temperature can be entered manually for applications with stable temperature conditions.
ECO 511 includes a flexible temperature input for temperture probes or electrodes with integrated T-sensor. All compensations are done automatically.
The ECO 511 measures pH and redox with suitable electrodes. It supports ORP display in mV or mVH and includes automatic temperature compensation when a Pt1000 sensor is connected.
The device uses a 3-line LCD with battery status display, backlight and shatterproof glass. The display can be rotated for overhead viewing at the touch of a button.
Hold freezes the current measured value. Min/max functions show the lowest and highest recorded values and can be reset from the keypad.
Automatic pH calibration uses two GPH buffer solutions and compensates their temperature dependence. Manual 1-point and 2-point calibration are available.
The menu includes temperature unit selection, automatic switch-off, backlight timing and factory reset. ECO 511 also provides configurable alarm modes and limits.
The compact housing measures 108 x 54 x 28 mm, with an impact-resistant ABS body and polyester front panel. Weight is approx. 130 g for ECO 510 and approx. 135 g for ECO 511.
