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State Change and On/Off Data Loggers

MicroDAQ.com offers a variety of dataloggers for monitoring state changes and motor on/off changes. Typical applications include motors, pumps, furnaces, boilers, chillers and security systems.

State, Event and Count USB Data Logger Accepts Input Voltage up to 24 Volts Stores 32,510 State or Event Changes Events and Changes Triggered by Rising Edge, Falling Edge or Optional Volt Free Contacts Alarms, LED Indicator Lights, and Direct USB Interface Includes Software, Battery and Measurement Leads More Information Starting Price: $82.00
HOBO U9 State Data Logger Records when devices change between open and closed Up to 43,000 state changes capacity Push button start option Direct USB interface More Information Price: $85.00 Part Number: U9-001
HOBO 3 State/1 Event logger Records 3 channels of state change and 1 channel of event Accepts state changes/events from standard contacts or relays Direct USB interface More Information Price: $125.00 Part Number: U11-001
HOBO U9 Light On-Off Data Logger Built in light sensor responds to the presence or absence of light Up to 43,000 state changes capacity Push button start option Direct USB interface More Information Price: $79.00 Part Number: U9-002
HOBO 4-Channel Pulse, Event, State and Run-time Data Logger Simultaneously Records Pulse Signals, Events, State Changes, and Run Times Using External Sensor Inputs Stores up to 500,000 or 4 Million Readings Pulse Input Range of 0 to 24 Volts DC with Maximum Sampling Rate of 120 Hz LED Indicator Lights and User Replaceable Battery Requires HOBOWare Pro Software (#BHW-PRO-CD) More Information Starting Price: $195.00
HOBO U9 Motor On-Off Logger Records when devices change between on and off with an AC field sensor Up to 43,000 state changes capacity Push button start option Direct USB interface More Information Price: $85.00 Part Number: U9-004
SMARTlogger™ Time of Use (TOU) Monitors and Data Loggers Measures and Records On/Off Status or Total Consumption using Internal of External Sensor Stores 32,000 Readings/Samples Battery-Powered with 5 Year User-Replaceable Battery LCD Display and 2Hz Sampling Rate Requires SMARTware® Software for Data Analysis and Data Export More Information Starting Price: $99.00
HOBO Event Logger Record relay contact events 8000 events memory Weatherproof enclosure More Information Price: $149.00 Part Number: H07-002-04
Split-Core Adjustable AC Current Sensor Used with HOBO State loggers to record when equipment turns on and off Installed around a current-carrying wire and provides a relay output to the state logger indicating equipment on/off Adjustable threshold provides maximum application flexibility More Information Price: $89.00 Part Number: CSV-A8