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Wind speed (ch1)
Analog indicator (scale plate, chart paper):
- Scaling range: 0~70 m/s; 0~50 m/s
- Starting wind speed: 2 m/s; 1 m/s
- Minimum scale: 1 m/s; 1 m/s
Digital display (LED):
- Measuring range: 0~70 m/s; 0~50 m/s
- Display digit: 3 digits; 3 digits
Minimum scale: 0.1 m//0.1 m/s
Wind direction (ch2)
Analog indicator (scale plate, chart paper)
- Scaling range: N-E-S-W-N-E-S (0 to 540°)
- Minimum scale: 22.5° (360° /16 azimuth)
Digital display (LED)
- Measuring range: 0 to 540°
- Display digit: 3 digits
-Minimum scale: 1°
Input signal (DC)
- Wind direction: 0 to 10 mV
0 to 1V (0 to 540 °)
4 to 20 mA
- Wind speed: 0 to 10 mV
0 to 1 V selectable (0 to 70 m/s or 0 to 50m/s))
4 to 20 mA
Recording/Printing
Measuring points: 2 points; (Wind speed: 1st pen) (wind direction: 2nd pen)
Recording method: Disposable felt pen
Printing method: Wire dot (1 color ink ribbon)
Recording color: Red (1st pen: wind speed) Blue (2nd pen: wind direction)
Effective width of chart: 180 mm
Zone recording width: 85 mm
Recording chart paper: Length (23 m), Width (210 mm), Folded width (60 mm)
Chart forwarding speed: 1~3600 mm/h; 1~300 mm/min
Performance/Features
Rated indicator accuracy: less than ±0.5%
Dead zone: within 0.2%
Normal mode elimination ratio: more than 60 dB (50/60 ±0.5Hz)
Common mode elimination ratio: more than 140 dB (50/60 ±0.5Hz)
Insulated resistance: between each terminal and contacted terminal
(more than 20MΩ at DC 500V)
Withstand voltage: between power terminal and contacted terminal (1 minute at 1500 VAC)
between input terminal and contacted terminal (1 minute at 500 VAC)
Impact resistance: 2 m/s2
Clock precision: ±50 ppm (monthly error ±130 seconds)
Chart forwarding accuracy: ±0.1 %
Architecture
Case architecture: Dust-proof architecture
Mounting: Panel embedded (vertical panel)
Mounting tilted backward within 30 degree angle
Materials: Case (steel plate)
Window frame (aluminum die-casting)
Coating: Case (metalic silver)
Window frame (Munsell color value N1.5 half-polish finish)
Dimensions/Weight: (W) 288 mm x (H)288 mm x (D)340 mm, less than 15.0 kg
Power requirement:
Rated power voltage range: 100 ~ 240 VAC
Power voltage range: 85 ~ 264 VAC
Electric power frequency: 45 ~ 65 Hz
Maximum electric power consumption: about 35 VA (100 VAC)
Operating environment:
Ambient temperature: 0~50 °C
Ambient humidity: 35~85 %rh
