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Onset HOBO ZW-003 Wireless Data Node

HOBO Wireless Temperature and Humidity Data Node

Onset Data Node with Internal Temperature and Relative Humidity Sensors

Part Number: ZW-003

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  • Measures, Records and Wirelessly Transmits Temperature and Humidity Readings

  • Onboard Buffer Stores up to 3,000 Measurements if Wireless Communications are Interrupted To Prevent Data Loss

  • System and Sensor Alarms with Email and SMS Messaging Notification

  • Up to 100 Meter Transmission Range Between Data Nodes and Wireless Receiver

  • Includes AC Power Adapter, AAA Batteries, Mounting Bracket and Accessory Kit

Requires A Wireless Data Receiver (ZW-RCVR) and (1) Wireless Data Node

Special order - please allow 3-5 business days for this item to ship.


All Calibration Orders Have a 5 to 7 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified

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Onset HOBO® ZW-003 Wireless Temp and Humidity Data Node Specifications

Data Channels 1 Temperature Channel
1 Relative Humidity Channel
Sampling Rate 1 Minute to 18 Hours (User-Specified)
Transmission Rate 2 Minutes or Greater (User-Specified)
Data Storage Capacity 4,000 Measurements Stored in Buffer Until Wireless Communications Available
Power Options AC Power Adapter (AC-ZW-1) with Battery Backup
Battery (3) Alkaline AAA Batteries (Included)
Battery Life 1 Year @ 15 Minute Sampling Rate, 60 Minute Transmit Interval
Note: If Designated as a Router, Battery Life is 24 Hours
Measurement Range Temp w/ Battery Power: -20°C to 50°C (-4°F to 122°F)
Temp w/ AC Power: -20°C to 70°C (-4°F to 158°F)
Humidity: 5 to 95% RH
Accuracy Temp w/ Battery Power: ±0.21°C over 0°C to 50°C
Temp w/ AC Power: ±0.54°C over 0°C to 50°C
Humidity: ±2.5% From 10% to 90% Typical, Max: ±3.5%
Resolution Temperature: 0.02°C @ 25°C (0.04°F @ 77.0°F)
Humidity: 0.03%
Response Time Temperature: 5 Min. in Air Moving 1 m/sec (3.3 ft/sec)
Humidity: 10 Min in Air Moving 1 m/sec (3.3 ft/sec)
Stability (Drift) Temperature: <0.1°C (0.18°F) per Year
Humidity: < 1% per Year Typical; Hysteresis 1%
Operating Range Battery Powered: -20°C to 50°C (-4°F to 122°F) @ 5 to 95% RH
AC Powered: -20°C to 70°C (-4°F to 158°F) @ 5 to 95% RH
Time Accuracy ±1 Minute Per Month @ 25°C (77°F)
OS Compatibility Windows: Windows 10, 8, 7, Vista and XP (32-Bit and 64-Bit)
Mac: OS X 10.6.x, 10.7.x and 10.8.x
Wireless Range: 100 Meters (300 ft) Line of Sight
Radio Power: 1.6mW (2 dBm)
Standard: IEEE 802.15.4
Frequency: 2.4 GHz
Note: Distance of Transmission will Vary Greatly and Depend Upon Obstructions and Interference
Case Material ABS
Weight 138 g (4.87 oz) with Batteries
Dimensions 9.65cm x 10.8cm x 2.8cm (3.8" x 4.25" x 1.1")

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