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+86 18062109704

Email: yqzhu@nengshi.com

Address: No. 336, Heping Avenue, Wuchang District, Wuhan City

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Tel: +86 18062109704

Email: yqzhu@nengshi.com

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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 spesifications 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
Protection rating IP67
External dimensions 144×152×113mm
Installation size 137×137 mm
Installation method Panel-mounted/Pipe-mounted/Wall-mounted

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