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Water & Liquid Level Sensors
Define the liquid, vessel and installation before selecting a method.
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Choose the environmental variables your equipment needs to observe.

Manufacturer reference: Winsen ZH03B. Technical information and project integration support.
| Parameter | Published reference |
|---|---|
| Targets / range | PM1.0, PM2.5, PM10 / 0-1000 ug/m3 · pp.3-5; laser-scattering module |
| PM2.5 accuracy | +/-15 ug/m3 at 0-100; +/-15% of reading at 101-1000 ug/m3 · p.3; 25+/-2 deg C, 50+/-10% RH, TSI8530 reference, cigarette aerosol, GBT18801-2015 |
| Supply / active current | 4.9-5.5 V DC / <120 mA · p.3 |
| Outputs | UART TTL 3.3 V and PWM 3.3 V · p.3 |
| UART | 9600 bit/s; 8-N-1 · p.4 |
| Selection item | What your project needs |
|---|---|
| Variables | Temperature, humidity, pressure or particulate measurement needs |
| Performance | Range, accuracy, drift and response requirements |
| Installation | Airflow, enclosure, exposure and maintenance access |
| Integration | Interface, sampling, power and data acquisition |
Send the measurement requirements for model selection and system integration.
| Requirement | Confirm for the selected model |
|---|---|
| Device interface | Sensor output and host / acquisition compatibility |
| MQTT | Native device output, gateway conversion or custom integration |
| OTA | Firmware scope, compatible devices and recovery requirements |

SELECT BY MEASUREMENT
Define the liquid, vessel and installation before selecting a method.
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SELECT BY MEASUREMENT
Match distance or displacement measurement to the target and motion.
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SELECT BY MEASUREMENT
Define detection inputs, alarm behavior and application requirements.
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SELECT BY MEASUREMENT
Start with the target gas, concentration range and operating environment.
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RS-PMD-001-01
PM1.0, PM2.5, PM10 / 0-1000 ug/m3 · +/-15 ug/m3 at 0-100; +/-15% of reading at 101-1000 ug/m3
Specifications & project enquiry →