HOBO U30 NRC Specifications: Normal operating range: -20°C to 40°C (-4°F to 104°F) Extended operating range: -40 to 60°C (-40 to 140°F) - see "Rechargeable Battery service Life" for impact of operations in Extended Operating Range. Sensor Inputs: 5 standard; option to expand to 10 Smart Sensor compatibility: Compatible with most Onset smart sensors, except for the S-BPA, S-TMA and S-THA Data channels: Maximum of 15 (some sensors use more than one data channel) Alarm output relay: Can be configured to be activated, deactivated or pulsed on user-defined sensor alarms. The relay can be configured as normally open or normally closed, and is rated for 30 V and 1 amp max. Expansion slot: One expansion slot is available for factory-installed expansion port. Local communication: Full Speed USB via USB mini-B connector Size: 17.8 H x 11.7 D x 19.3 W cm (7.0 H x 4 .6 D x 7.6 W inches) Weight: 2 kg (4 lbs 10 oz) Materials: Outer enclosure: ABS blend with stainless steel hinge pins and bronze inserts Inner enclosure: Polycarbonate with bronze inserts U-Bolts: Steel with zinc dichromate finish Gaskets: Silicone rubber Cable entry channel: EPDM rubber Cable entry bars: Aluminum with ABS plastic thumb screws Data storage memory: Nonvolatile flash data storage, 512K bytes local storage Memory modes: Stop when full, wrap around when full Operational indicators: Up to six (depending upon options) status lights provide basic diagnostics Logging interval: 1 second to 18 hours, user-specified interval Battery type: 4 Volt, 4.5 AHr or 10 AHr, Rechargeable sealed lead-acid Rechargeable battery service life: Typical 3–5 years depending upon conditions of use. Operation within the extended operating range (but outside the normal range) will reduce battery service life. Time accuracy: 0 to 2 seconds for the first data point and ±5 seconds per week at 25°C (77°F) Environmental rating: Weatherproof enclosure, tested to NEMA 6. (Requires proper installation of cable channel system) Mounting: 3.8 cm (1.5 inch) mast or wall mount Enclosure access: Hinged door secured by two latches with eyelets for securing with user-supplied padlocks Sensor network cable length: 100 m (328 ft) maximum External power: External power is required. The system optionally accepts the following Onset solar panels:SOLAR-1.2W, SOLAR-3W, SOLAR-6W. Alternatively it accepts an AC power adapter:AC-U30 Optional Analog Sensor Port Specifications Input channels: Two, single-ended Field wiring: Two- or three-wire via screw terminals on detachable connector, 16–24 AWG. Replacement detachable connectors: Part of spares kit, Part No. A-FS-CVIA-7P-1 Input range: User-configurable: 0–20 mA DC, 0-2.5 VDC, 0-5 VDC, 0-10 VDC, or 0–20 VDC Minimum/maximum input voltage: 0 / 24 VDC Minimum/maximum input current: 0 / 24 mA DC Minimum current source impedance: > 20 KΩ Accuracy: ± 0.25% of FSR from 50mV to FSV ADC resolution: 12 bits Excitation power: Switched 12 VDC, up to 50 mA; user-selectable warm-up from 5msec to 2 minutes
3W solar panel Specifications: Solar panel: 3.0 Watt, 6 Volt Weight: 0.79 kg (1.74 lb) Dimensions: 14.2 cm H x 24.1 cm W (5.6 x 9.5 inches)
Temperature/RH Smart Sensor with 2-meter cable Specifications: - Measurement Range
- Temp: -40°C to 75°C (-40°F to 167°F)
RH: 0-100% RH at -40° to 75°C (-40° to 167°F); exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1%
- Accuracy
Temp: +/- 0.21°C from 0° to 50°C (0.38°F from 32° to 122°F) RH: +/- 2.5% from 10% to 90% RH (typical), to a maximum of +/- 3.5%.
- Resolution
Temp: 0.02°C at 25°C (0.04°F at 77°F) RH: 0.1% RH at 25°C (77°F)
Bits Per Sample Temp: 12 RH: 10
Drift Temp: < 0.1°C (0.18°F) per year RH: < 1% per year typical; hysteresis 1%
- Response Time
- Temp: 5 minutes in air moving 1 m/sec
RH: 5 minutes in air moving 1 m/sec with protective cap
Operating temperature range: -40°C to 75°C (-40°F to 167°F) Environmental rating weatherproof: 0 to 100% RH intermittent condensing environments. For best results, the Temp/RH Smart Sensor should be mounted inside a protective enclosure, such as a solar radiation shield. Housing PVC cable jacket with ASA styrene polymer RH sensor cap; modified hydrophobic polyethersulfone membrane Sensor dimensions: 10 x 35 mm (0.39 x 1.39 in) Weight: 110 g (3.88 oz) Number of data channels: 2 Measurement averaging option: No Cable lengths available: 2.5 m (8.2 ft) Length of Smart Sensor network cable: 0.5 m (1.6 ft)
This product meets CE specification EN61326 criterion C for ESD, criterion C for Radiated Immunity, criterion C for Fast Transient, criterion B for Conducted Immunity, criterion A for Power Frequency Magnetic Fields, and Radiated Emissions Group 1, Class B. To minimize measurement errors due to ambient RF, use the shortest possible probe cable length and keep the probe cable as far as possible from other cables.
Note: Sensor requires protection from rain or direct splashing; Radiation shield (RS3) strongly recommended for use in sunlight; sensors can be used in intermittent condensing environments up to 30°C and non-condensing above 30°C.
Wind Speed Smart Sensor with 3-meter cable Specifications: - Measurement parameters: average wind speed and highest 3 second gust in logging interval
- Measurement range: 0 to 76 m/s (0 to 170 mph)
- Operating temperature range: -40° to 75°C (-40° to 167°F)
- Accuracy: ±1.1m/s (2.4 mph) or ±4% of reading whichever is greater
- Resolution: 0.5 m/s (1.1 mph)
- Starting threshold: 1 m/s (2.2 mph)
- Maximum wind speed survival: 76 m/s (170 mph)
- Distance constant: 3 meters
- Housing: 3 cup anemometer with TEFLON® bearings and hardened beryllium shaft
- Dimensions: 190 cm x 51 cm (7.5" x 3.2")
- Approximate weight: 300 g (10 oz)
- Cable length: 3 meter (10')
- Length of Smart Sensor Network Cable: 0.5m
- Service life: greater than 5 year life typical
Note: Cross arm recommended or pole mount (2 hose clamps required for pole mount) The CE marking identifies this product as complying with all relevant directives in the European Union (EU). To minimize measurement errors due to ambient RF, use the shortest possible probe cable length and keep the probe cable as far as possible from other cables.
Wind Direction Smart Sensor with 3-meter cable Specifications: Specifications | Wind Direction |
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Measurement Range | 0 to 355 degrees, 5 degree dead band | Maximum Wind Speed Survival | 67 m/sec (150 mph) | Accuracy | ± 5 degrees | Resolution | 1.4 degrees | Starting Threshold | 1.0 m/s (2.2 mph) | Measurement Definition | Unit vector components of wind direction are accumulated every three seconds for duration of logging interval. Average direction is calculated from the average of these. | Operating Temperature Range | -40°C to +70°C (-40°F to +158°F) | Environmental Rating | Weatherproof | Service Life | 4 to 6 years typical depending upon environmental conditions | Housing | Injection-molded housing and vane, static dissipating base, lead-free silicon bronze nose, and aluminum mounting rod. | Bearing Type | two shielded stainless steel ball bearings | Turning Radius | Approximately 13.5 cm (5.25 in.) | Dimensions | 46 x 20 cm (18 x 8.5 in) including 1.27 cm (0.5 in) diameter mounting rod, 2.5 mm (0.1 in) drip overhang | Weight | Approximately 370 g (13 oz) | Number of Data Channels | 1 | Measurement Averaging Option | Automatic averaging (see Measurement Definition) | Cable Length Available | 3.5 m (11.5 ft) | Length of Smart Sensor Network Cable | 0.5 m (1.6 ft) | CE | The CE Marking identifies this product as complying with all relevant directives in the European Union (EU) | Part Number | S-WDA-M003 |
A single HOBO Weather Station logger can accommodate 15 data channels and up to 100 m (325 ft) of smart sensor cable (the digital communications portion of the sensor cables).
Full Cross-arm for wind speed/direction sensors Specifications: - • 91.5 x 3.2 x 3.2 cm (36 x 1.25 x 1.25 in)
- • Includes mast-mounting hardware
Solar radiation shield for temperature & RH sensor Specifications: Time response: 2.5 times faster than the RS1 and M-RSA Wind resistance: Tested in sustained winds up to 129 kph (80 mph), Tested in gusts up to 161 kph (100 mph) Materials Shield: ASA styrene (UV-stable) Bracket: Glass-filled nylon (UV-stable) Mounting hardware: Stainless steel and brass Temperature: -40° to 75°C (-40° to 167°F) Weight: 113 g (4 oz) Height: 89 mm (3.5 inches); 159 mm (6.25 inches) with bracket Diameter: 102 mm (4 inches); bracket protrudes an additional 51 mm (2 inches) from shield Mounting: Up to 51 mm (2 inches) mast diameter with hose clamp; unlimited with screws Compatible sensors: Onset part numbers S-THB-M00X, S-TMA-M0XX, S-TMB-M0XX, TMCx-HB, TMCx-HD, W-TMB, and external sensors from U23-00X; NOT compatible with S-THA
Note: This shield does not protect sensors from light reflected from below the shield at some angles. For deployments over reflective surfaces, consider using Onset’s RS1 or M-RSA Solar Radiation Shields. |