SC4000DO Online Dissolved Oxygen Meter
The SC4000DO is an industrial online dissolved oxygen meter featuring a microprocessor for continuous water quality monitoring and control. It utilizes polarographic dissolved oxygen electrodes, making it suitable for applications in power plants, petrochemicals, metallurgy, mining, papermaking, bioprocessing, pharmaceuticals, food and beverage, environmental water treatment, and aquaculture.
Features
- LCD Color Display: Provides clear visualization of measurements.
- Smart Menu Operation: User-friendly interface for easy navigation.
- Multiple Calibration Functions: Offers various automatic calibration options.
- Diverse Output Signals: Supports multiple output methods for flexibility.
- Dual Relay Control: Two sets of relay contacts for control functions.
- Temperature Compensation: Features both manual and automatic temperature compensation.
- Limit Control: High limit, low limit, and hysteresis control functionalities.
- Multi-Parameter Display: Displays dissolved oxygen, temperature, and status on the same interface.
- Password Protection: Prevents unauthorized operation by non-staff.
Technical parameters:
| Specification |
Details |
| Model |
SC4000DO |
| Power Supply |
85-265 VAC ±10%, 50 ±1 Hz, ≤3 W; 936 VDC, ≤3 W |
| Measurement Method |
Polarographic method |
| Measurement Range |
Dissolved Oxygen: 0-20.0 mg/L; 0-200%; Temperature: -10-150.0°C |
| Resolution |
Dissolved Oxygen: 0.01 mg/L; 0.1%; Temperature: 0.1°C |
| Accuracy |
Dissolved Oxygen: ±1% F.S; Temperature: ±0.3°C |
| Residual Signal |
<1‰ |
| Response Time |
<60s at 25°C; <30s at 35°C |
| Stability |
Drift <2% F.S per week at constant temperature and pressure |
| Current Output |
0/4-20 mA (load resistance <500Ω); 20-4 mA (load resistance <500Ω) |
| Relay Control |
2 sets of relay contacts: 3A 250VAC, 3A 30VDC |
| Dimensions |
98 × 98 × 130 mm |
| Installation Method |
Panel mount, wall mount; panel cutout size: 92.5 × 92.5 mm |
| Waterproof Rating |
IP65 |
| Weight |
0.6 kg |
| Operating Environment |
Temperature: -10 to 60°C; Humidity: ≤90%; No strong magnetic interference |
Maintenance and Care
- Regular Inspection: Periodically check for wear or damage to ensure optimal performance.
- Cleaning: Clean the sensor as necessary to maintain measurement accuracy.
After-Sales Service
- Warranty: 12 months from the date of purchase.
- Maintenance Response Time: Guaranteed within 7 working days, with a response time within 3 hours.
- Technical Support: Lifetime free technical guidance and training provided.
Order and Delivery Information
- Minimum Order Quantity: Generally 1 unit/piece.
- Payment Methods: T/T, L/C (100% T/T in advance, balance due before shipment).
- Delivery Methods: Worldwide delivery from Shanghai via sea, air, truck, express, or combined transport.
- Delivery Time: Typically 15 to 30 working days, depending on product type and order quantity.
Technical Service
- Contact: For technical questions anytime, on-site support overseas can be arranged if needed.
FAQ
- Are you a trading company or manufacturer? We are a factory.
- How can I choose the suitable one? Share your requirements via email or online for recommendations.
- Is your price competitive? We offer high quality at competitive prices.
- What are your terms of payment? We accept 100% T/T in advance, balance due before shipment.
- When will I receive it after payment? Normal models can be delivered within 15-30 days. Confirm transport time with us.
- How will it be delivered? Options include Express, Sea, or Air.
- Will it be damaged during transport? We use standard export packaging for safe delivery.
- What if I do not know how to use it? A user manual is included, and additional support is available upon request.
Delicery and Packing:
Our company:
Audited Supplier 
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