Dimens 6800P Online Water pH Meter for Precise pH and ORP Measurements

Engineered for water treatment and industrial control, the Dimens 6800P controller, paired with the Dimens pH/Redox sensor, delivers precise pH, Redox, and temperature measurements. It excels with automatic temperature compensation and diverse mounting options. Featuring 4-20mA/RS485 and multiple control functions.

Applications span process water, disinfection, drinking water, food & beverage, cooling water, wastewater treatment, and pools.

Key attributes:

• Advanced wide power input with exceptional anti-interference design
• Robust flame-retardant plastic housing with a tactile finish
• Informative large-screen backlit LCD displays measurements, temperature, and relay status
• User-friendly Chinese/English menu
• Password protection for added security
• Streamlined calibration process for error reduction
• NEMA4X/IP65 protection rating with versatile installation methods
• Dual relay outputs for High/Low settings
• Automatic cleaning relay output
• Dual-channel 4-20mA current/RS485 Modbus output
• Quick factory settings restoration with one click

Technical Properties:

Measurement Parameters:

• pH: -2.00 to 16.00 pH
• ORP: -2000 to 2000 mV
• Temperature: 0 to 130 ºC

Input:

• Measuring Sensor: Dimens pH/ORP sensor
• Temperature Probe: Pt-1000 / NTC-10K (optional)

Output:

• Analog Output 1: Isolated 4-20 mA current output for pH/ORP, customizable to represent any segment of the measuring scale. Load: Max 600Ω.
• Analog Output 2: Isolated 4-20 mA current output for Temperature, customizable to represent any segment of the measuring scale. Load: Max 600Ω.

Relay 1 & 2 (Alarm):

• Operation: ON/OFF
• Selectable Action: High / Low
• Set Point: High/10.00 pH; Low/4.00 pH (adjustable)
• Hysteresis: 0.01 pH (adjustable)
• Relay Contacts: 5A/250VAC; 5A/30VDC

Relay 3 (Washing Relay):

• Wash Interval: 0.1~1000 hours
• Wash Time: 1~1000 seconds
• Relay Contacts: 5A/250VAC; 5A/30VDC

Interface:

• RS 485 Modbus RTU
• Baud Rate: 9600 bps
• Data Format: 8-bit

General Information:

• Power Supply: 90 - 260V AC, 50/60Hz; 24VDC (Optional)
• Operating Temperature: 0 - 60 ºC
• Storage Temperature: -20 - 70 ºC
• Humidity: Max. 90% rH at 40ºC (non-condensing)
• LCD Screen: Big-size crystal display with white backlight
• Language: Chinese / English
• Passcode: Set mode - 0022, Calibration mode - 0011
• Protection Grade: IP65
• Dimensions: 144 x 144 x 110mm
• Installation: Wall, Pipe, Panel Mounting
• Panel Cut Size: 138 x 138mm
• Weight: 0.85 Kg