Manufacturer: Vaisala
Model: WXT530
Vaisala Weather Transmitter WXT530 series is a unique collection of cost-effective sensors that accurately and reliably measure weather conditions. They can capture any combination of wind, rain, temperature, and barometric readings in a compact, affordable package.
WXT530 models utilize solid state technologies that minimize operating and maintenance costs. Digital and analog interfaces make for easy, flexible integration, and third-party sensors can be connected to select WXT530 models to create your own weather parameter hub.
1. Barometric pressure measurement performance
| Specifications | Value |
| Observation range | 500 … 1100 hPa |
|
Accuracy (for sensor element) at 600 … 1100 hPa |
±0.5 hPa at 0 … +30 °C (+32 … +86 °F) ±1 hPa at −52 … +60 °C (−60 … +140 °F) |
| Output resolution | 0.1 hPa / 10 Pa / 0.001 bar / 0.1 mmHg / 0.01 inHg |
2. Air temperature measurement performance
| Specifications | Value |
| Observation range | 52 … +60 °C (60 … +140 °F) |
| Accuracy (for sensor element) at +20 °C (+68 °F) | ±0,3 °C (±0,54 °F) |
| Output resolution | 0.1 °C (0.1 °F) |
3. Relative humidity measurement performance
| Specifications | Value |
| bservation range | 0 … 100 %RH |
| Accuracy (for sensor element) |
±3 %RH at 0 … 90 %RH ±5%RH at 90…100%RH |
| Output resolution | 0.1% RH |
4. Wind measurement performance
| Specifications | Value |
| Wind speed | |
| Observation range | 0 … 60 m/s (134 mph) |
| Reporting range | 0 … 75 m/s (168 mph) |
| Response time | 0.25s |
| Available variables | Average, maximum, and minimum |
| Accuracy | ±3 % at 10 m/s (22 mph) |
| Output resolution | 0,1 m/s (km/h, mph, knots) |
| Wind direction | |
| Azimuth | 0 … 360° |
| Response time | 0.25 giây |
| Available variables | Average, maximum, and minimum |
| Accuracy | ±3,0° at10 m/s (22 mph) |
| Output resolution | 1° |
| Averaging time | 1 … 3600s, sample rate 1, 2, or 4 Hz (configurable) |
5. Operating environment
| Specifications | Value |
| Operating environment | Outdoor use |
| Operating temperature | 52 … +60 °C (60 … +140 °F) |
| Storage temperature | 60 … +70 °C (76 … +158 °F) |
| Operating humidity | 0 … 100 %RH |
| Operating pressure | 500 … 1100 hPa |
| Wind 1) | 0 … 60 m/s (0 … 134 mph) |
| IP rating |
Without mounting kit: IP65 |
1) Due to the measurement frequency used in the sonic transducers, RF interference in the
200 … 400 kHz range can disturb wind measurement.
6. Precipitation measurement performance
| Specifications | Value |
| Collecting area | 60 cm2 (9.3 in2 ) |
| Rainfall1) | |
| Output resolution | 0.01 mm (0.001 inch) |
| Field accuracy for daily accumulation | Better than 5 %, weather-dependent |
| Duration | Counting each 10‑second increment whenever droplet detected |
| Duration output resolution | 10s |
| Intensity | Running 1‑minute average, 10 s steps |
| Intensity observation range |
0 … 200 mm/h (0 … 7,87 in/h) (broader with reduced accuracy) |
| Intensity output resolution | 0.1 mm/h (0.01 inch/h) |
| Hail 2) | |
| Output resolution | 0.1 hits/cm2 (1 hits/in2 ), 1 hit |
| Intensity output resolution | 0.1 hits/cm2h (1 hits/in2h), 1 hits/h |
1) Cumulative accumulation after the latest automatic or manual reset.
2) Cumulative number of hits against collecting surface.
7. Inputs and outputs
| Specifications | Value |
| Operating voltage | 6 … 24 V DC (10 … +30 %) |
| Average power consumption |
Minimum: 0.1 mA at 12 V DC (SDI‑12 |
| Heating voltage |
DC, AC, or full-wave rectified AC 12 … 24 V DC (10 … +30 %) 12 … 17 V ACrms (10 … +30 %) |
| Typical heating current | 12V DC: 800mA, 24V DC: 400mA |
| Digital outputs | SDI-12, RS-232, RS-485, RS-422 |
| Communication protocols |
SDI-12 v1.3, Modbus RTU, ASCII automatic and polled, NMEA 0183 v3.0 with query option |
8. Analog input options
| Specifications | Value |
| Solar radiation | 0 … 25 mV |
| Voltage input | 0 … 2,5 V, 0 … 5 V, 0 … 10 V |
| Tipping bucket rain gauge | 0 … 100 Hz |
| Temperature (Pt1000) | 800 … 1330 Ω |
9. Analog mA output options
| Specifications | Value |
| Wind speed | 0 … 20 mA or 4 … 20 mA |
| Wind direction | 0 … 20 mA or 4 … 20 mA |
10. Compliance
| Category | Standard |
| EU directives and regulations | EMC, RoHS |
| EMC compatibility |
EN 61326-1, industrial environment CISPR 32 / EN 55032, Class B |
| Environmental |
IEC 60068‑2‑1, 2, 6, 14, 30, 31, 78 IEC 60529, VDA 621‑415 |
| Maritime |
IEC 60945 (Exposed) |
| Compliance marks | CE, RCM, RoHS, RoHS Trung Quốc, UKCA |
