SC4000PR Online pH/ORP Meter
The SC4000PR is a microprocessor-based online water quality monitoring and control instrument designed for industrial applications. It is equipped with various types of pH and ORP electrodes, making it suitable for industries such as power generation, petrochemicals, metallurgy, electronics, mining, paper making, bio-fermentation, medicine, food and beverage, environmental protection, aquaculture, and modern agriculture. This meter continuously monitors and controls the pH and ORP values of aqueous solutions.
Instrument Features:
- LCD color liquid crystal screen display
- Intelligent menu operation
- Multiple automatic calibration functions
- Various signal output modes
- Differential signal measurement mode for stability and reliability
- Manual and automatic temperature compensation
- Two sets of relay control switche s
- High limit, low limit, hysteresis control
- Interface display of pH/ORP, temperature, status, etc.
- Password protection to prevent unauthorized operation
Technical parameters:
| Specification |
Details |
| Measuring Range |
pH: -2 to 16.00 pH; ORP: -2000 to +2000 mV; Temperature: -10 to 150.0°C |
| Resolution |
pH: 0.01 pH; ORP: 1 mV; Temperature: 0.1°C |
| Basic Error |
pH: ±0.01 pH; ORP: ±2 mV; Temperature: ±0.3°C |
| Stability |
pH: ≤0.02 pH/24h; ORP: ≤2 mV/24h |
| 2-Way Current Output |
0/4 to 20 mA (load resistance < 500Ω); 20 to 4 mA (load resistance < 500Ω) |
| Communication Output |
RS485 MODBUS RTU |
| Relay Control Contacts |
Two sets: 3A 250VAC, 3A 30VDC |
| Power Supply (Optional) |
85 to 265 VAC ±10%, 50 ±1 Hz, power ≤3W; 9 to 36 VDC, power ≤3W |
| External Dimensions |
98 × 98 × 130 mm |
| Installation |
Panel type, wall-mounted type; Panel opening size: 92.5 × 92.5 mm |
| Protection Grade |
IP65 |
| Meter Weight |
0.6 kg |
| Instrument Working Environment |
Ambient temperature: -10 to 60°C; Relative humidity: ≤90%; No strong magnetic field interference except Earth's magnetic field |
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 is provided.
Order and Delivery Information:
- Minimum Order Quantity: Generally 1 unit/piece.
- Payment Methods: T/T, L/C (Typically, 100% T/T in advance, with the 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, order quantity, and special requirements.
Technical Service:
- Contact: Reach out for technical questions anytime. On-site technical support overseas can be arranged if needed.
FAQ:
- Are you a trading company or manufacturer?
- How can I choose the suitable one?
- Provide your detailed requirements by email or online, and we will recommend the most suitable option.
- Is your price competitive?
- We offer the best quality at a competitive price.
- What are your terms of payment?
- We accept 100% T/T in advance, with the balance due before shipment.
- When will I receive it after payment?
- Normal models can be delivered within 15-30 days. Contact us to confirm the transport time to your address.
- How will it be delivered?
- We can deliver by Express, Sea, or Air.
- Will it be damaged during transport?
- We use standard export packaging to ensure safe delivery.
- What should I do if I do not know how to use it?
- A user manual will be included with the device, and additional technical support is available upon request.
Delivery and Packing:
Our company:
Audited Supplier 
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