SZ561-A
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- CE & EMC Certified
- 12-Month Warranty
- Reply Within 12 Hours
Environmental & Water Quality Sensors
SZ561-AWater Monitoring
Digital Ammonium ISE Sensor
This digital ammonium ISE sensor measures NH4-N concentration without reagents, with a range of 0–100 mg/L (0–1000 mg/L optional) and accuracy ±10% or ±0.5 mg/L. It outputs via RS-485 with MODBUS protocol and supports automatic compensation for NH4+, pH, and temperature. Designed for natural water such as lakes, streams, rivers, and wastewater plants.
- NH4-N Accuracy
- ±10% or ±0.5 mg/L
- NH4-N Range
- 0–100 mg/L (0–1000 mg/L optional)
- NH4-N Resolution
- 0.01 mg/L
- pH Range
- 4–10 pH
- Digital sensor with RS-485 output and MODBUS support
- Reagent-free and pollution-free measurement
- Automatic compensation for NH4+, pH, and temperature
- Directly connects to controller and handheld meter
- Freshwater use only; not suitable for seawater
Specifications
SZ561-A technical data
| Parameter | Value |
|---|---|
| NH4-N Range | 0–100 mg/L (0–1000 mg/L optional) |
| NH4-N Accuracy | ±10% or ±0.5 mg/L |
| NH4-N Resolution | 0.01 mg/L |
| pH Range | 4–10 pH |
| pH Accuracy | ±0.1 pH |
| Sensor Interface | RS-485, MODBUS protocol |
| Power | 0.25 W (suggested power supply: DC 9–24 V, ≥1 A) |
| Construction | NPT 3/4 thread, submersible mounting |
| Sensor Housing Material | POM+316L (customizable titanium alloy) |
| Protection Rating | IP68 |
| Temperature Range | 0–50 ℃ |
| Cable Length | 10 m (default), customizable |
Applications
Where the SZ561-A is used
Water quality
Aquaculture
Smart agriculture
Weather stations
Environmental monitoring
Ordering
Terms & how ordering works
- MOQ
- 1 pc (flexible, no minimum for most products)
- Lead time
- 2-3 days for in-stock items, 15-30 days for custom orders
- Warranty
- 12-month warranty on all products
- Shipping
- FOB Ningbo / CIF available
- 01
Send Requirements
Medium, range, output and quantity.
- 02
Quote in 12h
Matched model, price and lead time.
- 03
Pre-shipment Check
Every unit inspected against spec.
- 04
Ship FOB / CIF
Export documents handled for you.
Request a Quote
SZ561-A Digital Ammonium ISE Sensor
Sales engineer replies within 12 hours
Or WhatsApp +86-15958288207
Related Products
SZ561-A questions
What ranges are available for the SZ561-A?
Standard coverage is 0–100 mg/L (0–1000 mg/L optional). Other spans, outputs, and process connections can be sourced to match the application. Send the working pressure and medium and we will confirm the exact option.
What is the MOQ and lead time?
1 pc (flexible, no minimum for most products). 2-3 days for in-stock items, 15-30 days for custom orders. Samples are available, with freight on the buyer’s account.
Can the SZ561-A be customized?
Range, output signal, process connection, cable length customizable through our supply partners.
Do you manufacture this transmitter?
SIBXSUN is an industrial instrumentation supplier in Ningbo, not the factory. We source the SZ561-A from qualified partners, inspect before shipment, and handle export documents and logistics.
Need the right digital ammonium ise sensor for your process?
Send the medium, range, output, and quantity. We will confirm the matching option and a FOB Ningbo quote.
