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Wiring Diagram - Measuring Compressed Air Flow with a stand alone analog logger
Attached is a drawing that shows you how to connect a UX120-006M logger to the compressed air flow meter from CDI, p/n T-CDI-5400-20S or the T-CDI-5200-10S via the CABLE-4-20MA adapter cable.
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Wiring Diagram - Monitoring Differential Air Pressure with a UX120-006M or ZW
Attached is a diagram that shows how to connect a Veris Differential Air Pressure Sensor (T-VER-PX-Series) with a UX120-006M logger, or a ZW-006 or ZW-008 data node.
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An alarm was tripped on my MX logger. How do I clear it?
Visual alarms are cleared based on the settings selected under “Maintain Visual Alarms Until” when configuring the logger.
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MX logger is listed in the wrong group. How can I change that?
- Connect to the logger, tap Configure, and then tap Group.
- Select a group for the logger or create a new group.
- If you do not want the logger to be listed in any group, th
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T-VER-E50B2 operation
The T-VER-E50B2 Energy and Power Meter outputs three sets of pulses that are logged by the UX120-017. These pulses represent Watt-hours, Amp-hours, and VAR-hours. HOBOware software uses these pulse values to calculate AC Current, AC Voltage, kW, Power Factor, VARs, and VA.
/files/14993-A-Derived-Channels.zip
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Data logger is shutting off prematurely
A discharge of static electricity may cause a running data logger to stop recording. Precautions should be taken to prevent this while handling the data logger.
Discharges may occur when there is a charge difference between the data logger and a cable being connected to it or when a person touches an exposed jack.
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Thermocouple wire material rating
Below are ratings on the material, not to be confused with measurement range.
Common TC types used on HOBO data loggers:
Type-J and Type-T wire is Teflon insulated and rated up to +400°F (+200°C) continuous, and +482°F (+250°C), for 24 hours
Type-K wire is glass-braid insulated and rated up to +900°F (+482°C) continuous, and +1000°F (+537°C) for a short single exposure.
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Making beaded probes on a thermocouple wire
A thermocouple is a kind of battery made by joining two dissimilar metals together where a small voltage is generated by the difference between teh metals. The voltage gnerated changes with temperature. To make a thermocouple temperature sensor out of thermocouple extenision wire, strip the insulation back a little and make an electrical connection between the two wires. The more reliable your connection, the more reliable the thermocouple. Welding is the best way to form a reliable thermocouple. A resistance welding machine (spot welder) can be used (with practice), and TIG welding works nicely too.
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