pH Controller, Conductivity Controller, ORP controller, water quality controller, Water Quality Monitor, ph/orp controller

PH/ORP-620 Online pH Controller

Economical online pH controller, 3 points calibration, 4 to 20mA output signal. The meter is suitable for monitoring the pH of sample in the chemical, pharmaceutical, environmental protection and food industries.

Features:
• Economical online pH controller.
• 1 to 3 points push-button calibration with auto-buffer recognition.
• Selectable NIST or USA pH buffer standards.
• Automatic electrode slope display helps user decide whether to replace sensor.
• Automatic Temperature Compensation ensures accurate reading.
• Low and high alarm limits can be set by user and automatically activate an external device.
• 4 to 20mA output signal meets industrial requirements.
• Manual temperature calibration improves the measurement accuracy of meter.
• Selectable temperature unit (°C or °F) for different application requirements.
• System menu allows setting the 9 parameters, including the pH buffer standards, number
  of calibration points, alarm limits, hysteresis value, etc.
• Reset feature automatically resumes all settings back to factory default options.

Specification: