STS is an escrow service that protects both buyers and suppliers. Funds are held securely by Made-in-China.com until order terms (e.g., delivery, quality) are fulfilled
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| After-sales Service: | 1 Year |
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| Warranty: | 1 Year |
| Display: | LED |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Output signal | Isolated RS485 (standard Modbus-RTU protocol) |
| Isolation 4~20mA, maximum loop resistance 750Ω | |
| Alarm output | One set of high and low limit alarm electric shock (5A/250V AC), normally open contact relay |
| Power supply | AC220V±10%, 50Hz/60Hz (DC24V power supply can be customized) |
| Power consumption | ≤3W |
| Environmental conditions | Temperature 0~60ºC, humidity ≤95%RH |
| Display Mode | 5-inch color touch screen |
| Application | Environmental protection, sewage treatment, thermal power, breeding, food processing, metallurgy, chemical industry, etc. |
| Measuring range | pH:0~14 |
| EC:0~2000μs/cm | |
| Residual chlorine:0~20mg/L | |
| COD:0~500mg/L | |
| ORP:-1999mv~1999mv | |
| Dissolved oxygen:0~20mg/L | |
| Turbidity:0~1000NTU | |
| Ammonia nitrogen:0~1000mg/L | |
| Accuracy | pH:±0.02 |
| EC:±1%FS | |
| Residual chlorine:±0.5%FS | |
| COD:±5%FS | |
| ORP:±1mv | |
| Dissolved oxygen:±0.5%FS | |
| Turbidity:±5% | |
| Ammonia nitrogen:±1%FS | |
| Resolution | pH:0.01 |
| EC:1μs/cm | |
| Residual chlorine:0.1mg/L | |
| COD:0.01mg/L | |
| ORP:1mv | |
| Dissolved oxygen:0.01mg/L | |
| Turbidity:0.1NTU | |
| Ammonia nitrogen:0.01mg/L |
How to proceed an order?
1. Let us know your requirements or application.
2. We quote according to your requirements or our suggestions.
3. Customer places payment for formal order.
4. We arrange the production.
1.Q: How long is the delivery?
-- Mostly within 10days
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