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              |  ACR Data Logger Series Reliable , wide application, from instruments and parts to the customers' engineering project records. No matter what kinds of industry, ACR Data logger can give customers reliable and long term data.
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              |  | SmartReader Plus data logger 12 bits resolution, User selectable rates from 25 per second to one reading every 8 hours. maximum 1,000,000 readings, 10 years battery, accessible remotely by modem. |  
              |  | SmartButton  The ACR SmartButton is a miniature-sized temperature logger that is extremely low-cost and easy to use. 2000 readings.   |  
              |  | JR-1000,1001
 Low-cost temperature loggers featuring 5 -year battery life and the ability to record for up to 44 days and up to 244,800 readings when data compression selected   |  
              |  | Nautilus85/135  Single channel, waterproof temperature data loggers with the ability to record temperature in water, food or other liquids. 8 resolution, up to 244,800 readings with data compression. Extremely durable and robust construction and 10-year battery life. Nautilus 135 can work at maximum 135 ° C |  
              |  | Owl Data Logger 
 Single-Channel, configurable data loggers featuring 10-year battery life, memory capacity of 32,767 readings, optical data transfer, and flashing visual alarm
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              |  | PowerWatch  ACR PowerWatch logger records essential power quality events and disturbances. It provides safe, stand alone operation with no wires, alligator clips or other exposed wiring. With the capacity to record up to 4000 events and an optical alarm indicating events occurred, ACR PowerWatch is the easiest way to monitor and record essential voltage disturbance information . 
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              |  | IAQ Logger
 The IAQ Logger, when combined with the Telaire 7001 Handheld CO2 Monitor, records the three leading indicators of indoor air quality: (1) temperature, (2) relative humidity, and (3) carbon dioxide
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