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Address: No. 336, Heping Avenue, Wuchang District, Wuhan City
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Technical Features:
The Intelligent Multi-parameter Meter is a highly intelligent and reliable multi-function water quality measurement and control instrument designed with a microcomputer. It measures and controls pH, ORP, DO, conductivity, turbidity, and residual chlorine, and features self-diagnosis of Sensors. It can be used in harsh environments with high humidity and corrosiveness, and is equipped with display, transmission, alarm, and communication functions. It is widely applicable to various online water quality monitoring needs in industries such as power plants, chemical engineering, food, biochemical pharmaceuticals, environmental protection, and metallurgy.
3300D
As shown in the figure:
● Can be used in conjunction with our company’s pH, ORP, DO, conductivity, and turbidity Sensors.
● Features display, signal transmission, alarm, and automatic cleaning control functions.
● Supports tag number entry
● Provides two 4–20 mA outputs for transmitting the primary measured parameter and the temperature measurement value.
● Provides three relay outputs (upper/lower limit alarms and automatic cleaning), supporting both normally open and normally closed wiring configurations.
● Provides password management permissions for operations to prevent unauthorized modification of parameter settings.
● Supports external RS-485 communication
● Supports Chinese/English menu display (default is Chinese at factory settings)
● The entire unit meets an IP67 protection rating, allowing for outdoor, open-air installation and operation.
Technical Indicators:
| Main Functions | Measurement/Display/Loosening/Alarm/Automatic Cleaning |
| Screen Parameters | 3.5-inch high-definition monochrome display (320×240) |
| Measurement range |
pH: 0–14.00 pH ORP: -2000 mV to +2000 mV Conductivity: 0–400 mS/cm; Inductive conductivity: 0–2000 mS/cm; Dissolved oxygen: 0–20 mg/L Fluorometric oxygen: 0–50 mg/L Turbidity: 0.1–4000 NTU |
| Temperature | 0–99.9°C |
| Analog Output |
2-wire (4–20) mA (500 Ω load), accuracy: ±0.2% |
| Relay output |
Three-channel open/normally closed contact output, 250 Vac / 30 Vdc / 3 A (max) |
| Alarm Settings | Upper/Lower Limit Alarm (with configurable lookback and delay) |
| Power supply | Compatible with 220VAC and 24VDC |
| Communication Interface | RS485 |
| Overall equipment protection rating | IP67 |
| External dimensions | 144×152×113mm |
| Opening size | 137×137 mm |
| Installation Method | Pan-mounted/Pipe-mounted/Wall-mounted |
3000D
As shown in the figure:
● Can be used with our company’s pH, ORP, DO, conductivity, and turbidity Sensors. Used as a set
● Equipped with display, transmission, alarm, and communication functions
● Supports tag number entry
● Provides one 4–20 mA output for transmitting the primary measured parameter and temperature measurement value.
● Provides two relay outputs (upper/lower limit alarm and automatic cleaning), supporting both normally open and normally closed wiring configurations.
● Provides password management permissions for operations to prevent unauthorized modification of parameter settings.
● Supports external RS-485 communication
● Supports Chinese/English menu display (default is Chinese at factory settings)
● The entire unit meets an IP67 protection rating, making it suitable for outdoor, open-air installation and operation.
Technical Indicators:
Main Functions | Display/Transmit/Alarm/Communication |
Screen Parameters | 2.8-inch high-definition monochrome display (320×240) |
Measurement range | pH: 0–14.00 pH ORP: -2000 mV to +2000 mV Conductivity: 0–400 mS/cm; Inductive conductivity: 0–2000 mS/cm; Dissolved oxygen: 0–20 mg/L Fluorometric oxygen: 0–50 mg/L Turbidity: 0.1–4000 NTU |
Temperature | 0–99.9°C |
Analog Output | 4–20 mA transmitter output , Accuracy: ±0.2% (load 500 Ω) |
Relay output | Two-way normally open and normally closed contact outputs, 250 VAC / 30 VDC / 3 A (max) |
Alarm Settings | Upper/Lower Limit Alarm (with configurable lookback and delay) |
Power supply | Compatible with 220VAC and 24VDC |
Communication Interface | RS485 |
Protection Level | IP67 |
External dimensions | 113.5*118*136mm |
Opening size | 92*92mm |
Installation Method | Pan-mounted/Pipe-mounted/Wall-mounted |