Wall-mounted pH meter DAW3001-pH

processwaterdigital

Product Overview

• The DAW3001-pH is a high-performance online pH analyzer featuring an LCD with IP65 protection for 24/7 stable operation.
• User-friendly operation via a concise menu, adjustable software filtering, and strong anti-interference capabilities, adapting well to complex industrial environments.
• Supports pH/ORP measurement and optional metallic antimony electrodes for hydrofluoric acid environments.
• Universal power supply or optional DC version, with an isolated RS485 interface (MODBUS-RTU) for data transmission.
• Wall-mounted design, operates at 0～60℃ and <90% humidity.
• Paired with an IP68-protected pH sensor, achieves 0-14 pH/0~50℃ measurement ±0.1 pH sensor accuracy, <30S response time, and flexible installation, suitable for diverse industrial monitoring needs.

Features

• 128*64 dot matrix LCD display, switchable between Chinese and English, IP65 protection level, stable operation around the clock
• Concise menu design, easy and convenient operation, graphical prompts, beautiful and clear interface
• Adjustable software digital filtering, enhanced hardware anti-interference capability, ensuring more stable measurement and adaptability to complex industrial environments
• Universal power supply (85～260VAC) worldwide, with optional customized DC version (18～36VDC)
• RS485 digital interface, MODBUS-RTU communication protocol
• Two measurement functions: pH (acidity and alkalinity) measurement or ORP (oxidation-reduction potential) measurement
• Equipped with metallic antimony electrode function, usable in hydrofluoric acid-containing environments

Technical Parameters (Analyzer)
Parameter Category | Specifications | Details
pH | Measurement Range | -2.00～16.00 pH
pH | Resolution | 0.01 pH
pH | Measurement Accuracy | ±0.02 pH
ORP | Measurement Range | ±1200 mV (PH3001) / ±2000 mV (PH3002)
ORP | Resolution | 1 mV
ORP | Measurement Accuracy | ±1 mV
Temperature | Measurement Range | -5.0～105.0℃
Temperature | Resolution | 0.1℃
Temperature | Measurement Accuracy | ±0.2℃ (-5.0～80.0℃) for PH3001; ±0.5℃ (80.0～105.0℃) for PH3002
Temperature | Temperature Input | NTC10KΩ
Temperature | Temperature Compensation | Automatic/Manual
Transmitted Current | Output Type | 4～20 mA (corresponding range configurable)
Transmitted Current | Current Accuracy | ±1% F.S
Transmitted Current | Output Load | Less than 600 Ω
Switch Control | Relay | 2 SPST relays
Switch Control | Load Capacity | 2.5A 230VAC
Data Transmission | Transmission Interface | RS485 with isolation voltage of 2500Vrms
Data Transmission | Communication Protocol | MODBUS-RTU (for data reading)
Other Parameters | Working Power Supply | 85～260VAC or 18～36VDC (selectable before ordering)
Other Parameters | Working Temperature | 0～60℃
Other Parameters | Working Humidity | Relative humidity < 90%
Other Parameters | Protection Level | IP65
Other Parameters | Installation Method | Wall mounting
Other Parameters | Overall Dimensions (HxWxD) | 108x108x132 mm
Other Parameters | Cutout Dimensions | 92.5x92.5 mm (positive tolerance)

Technical Parameters (pH Sensor)
Technical Parameters | Specifications
Measurement Range | 0-14 pH, Temperature 0~50℃
Detection Principle | Glass Electrode Method
Accuracy | ±0.1 pH; Temperature: ±0.5℃
Repeatability | ±0.1 pH
Response Time | ＜30S
Resolution | 0.01 pH
Automatic Temperature Compensation | NTC10K
Pressure Resistance | ≤2Bar
Sensor Material | PPS Housing + Glass Electrode
Controller Material | ABS
Protection Class | Sensor IP68; Controller IP65
Output Signal | 1 Channel 4-20mA/Modbus RS485
Switch Control | 2 SPST Relays
Relay Load | 2.5A 230 VAC
Mounting Thread | Top & Bottom 3/4NPT Pipe Thread
Operating Voltage | 85~260VAC or 24VDC
Meter Dimension | 108×108×132mm
Cutout Dimension | 92.5×92.5 mm
Sensor Installation | Submersible/Bypass/Pipeline
Meter Installation | Panel Mount

Key Specifications / Technical Characteristics

• Model: DAW3001-pH
• Measurement Range: -2.00～16.00 pH (Analyzer), 0-14 pH (Sensor)
• Resolution: 0.01 pH
• Accuracy: ±0.02 pH (Analyzer), ±0.1 pH (Sensor)
• Temperature Range: -5.0～105.0℃ (Analyzer), 0~50℃ (Sensor)
• Protection: Controller IP65, Sensor IP68
• Output: 4-20mA, RS485 MODBUS-RTU
• Power Supply: 85～260VAC or 18～36VDC
• Installation: Wall mounting (controller), Submersible/Bypass/Pipeline (sensor)
• Dimensions: 108x108x132 mm