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ZW (Zigbee 802.15.4) Radio Channels vs WiFi (802.11)
Attached is a drawing that depicts IEEE802.11 (WiFi) radio channels vs IEEE802.15.4 radio channels
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4-20mA Current Loop Isolator
Below is a link to a current loop isolator that Onset has tested with our data loggers.
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HOBO MX1101 & InTemp CX400 - Audible Alarm Sound Levels
The audible alarm outputs a tone measured at 75db with fresh batteries, and 65db with very low batteries.
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H21-USB Driver Resources
Below are links to the documentation for loading the drivers required for using the H21-USB logger.
Links for FTDI installation documents and drivers
Windows 7
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MX2001 - Submersion of Upper Portion of the Logger
The top part of the HOBO MX2001 logger includes a barometric-pressure sensor and its associated sensor port.
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Wiring Diagram - Monitoring a DC Voltage Change with the HOBO UX120-017 and HOBO UX90-001
Attached is a drawing that shows how to monitor a DC voltage change with the HOBO UX120-017 and the HOBO UX90-001.
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Wiring Diagram - Monitoring Energy in a 3-phase Circuit using the HOBO H21-002 Micro Station and the Wattnode kWh Transducer
Attached is a wiring diagram that shows how to connect a Wattnode kWh Transducer to a H
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Wiring Diagram - Monitoring a 3-phase Circuit using the HOBO H21-002 Micro Station and the T-VER-E50B2
Attached is a diagram that shows you how to use the T-VER-E50B2 Power and Energy Meter
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