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溶解氧测定仪

Dissolved Oxygen Meters

Model No. DOM-0004 · Electrochemistry Instruments

Online Dissolved Oxygen Analyzer

在线溶解氧分析仪

Municipal aeration basins, effluent treatment and bioreactors run more efficiently with continuous DO control. This online analyzer measures 0–20 mg/L at ±0.1 mg/L, responds within 60 s and outputs isolated 4-20 mA plus Modbus RTU/RS-485 with 2–4 alarm relays. Submersible versions are rated to 1 MPa. Tell us basin depth and mounting.

Measuring range
0–20 mg/L (0–200% saturation)
Accuracy
±0.1 mg/L
Response time
≤60 s to 90%
Operating temperature
0–50 °C (sample)
Pressure rating
up to 1 MPa for submersible versions
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Packing & Shipping

Place of originChina (dispatched from Shanghai)
BrandLiquid International / OEM on request
Export packingFumigation-free plywood case or reinforced carton
Loading portShanghai / Ningbo (others on request)
Payment termsT/T, L/C at sight (confirmed on quotation)
Trade termsEXW, FOB, CFR, CIF, DAP

Typical export terms — final terms are confirmed on the proforma invoice.

Product Description 产品描述

Municipal aeration basins, effluent treatment and bioreactors run more efficiently with continuous DO control. This online analyzer measures 0–20 mg/L at ±0.1 mg/L, responds within 60 s and outputs isolated 4-20 mA plus Modbus RTU/RS-485 with 2–4 alarm relays. Submersible versions are rated to 1 MPa. Tell us basin depth and mounting.

Highlights

  • Continuous DO data for aeration blower control
  • Isolated analog and digital outputs
  • Programmable alarm relays
  • Submersible versions for deep basins

Applications

  • Municipal wastewater aeration control
  • Industrial effluent treatment
  • Recirculating aquaculture systems
  • Bioreactor and fermentation monitoring
  • Lake and reservoir oxygen profiling

Specifications 技术参数

ParameterValue
Measuring range 测量范围 0–20 mg/L (0–200% saturation)
Accuracy 准确度 ±0.1 mg/L
Response time 响应时间 ≤60 s to 90%
Operating temperature 工作温度 0–50 °C (sample)
Pressure rating 耐压等级 up to 1 MPa for submersible versions
Analog output 模拟输出 4-20 mA, isolated
Digital interface 数字接口 Modbus RTU/RS-485
Alarm relays 报警继电器 2–4 programmable
Cleaning 清洗方式 Automatic air blast or wiper
Enclosure rating 外壳防护等级 IP65 or IP68 (probe)
Model No.DOM-0004
Place of originChina (dispatched from Shanghai)

Applicable standards 适用标准

ISO 5814 ASTM D888 APHA 4500-O Standard Methods EN 25814 GB/T 11913 USP <1231>

Chinese national standards (GB/T, JJG) and international standards referenced for this product type. Test reports and certificates are supplied with the quotation on request.

Packing & Shipping 包装与运输

Export packing

Fumigation-free plywood case or reinforced carton

Every unit is power-tested before packing; enclosed in shock foam and moisture barrier; wooden cases comply with ISPM 15.

Loading port

Shanghai / Ningbo (others on request)

Full container load (FCL), less-than-container load (LCL) or air freight; complete export documentation provided.

Inquiry Now 索取报价

Complete the form below — an export engineer will send technical configurations and a formal proforma invoice within 24 hours.

Products in this inquiry: Online Dissolved Oxygen Analyzer (DOM-0004)

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