OWL Series Data Logger

Flexible single-channel data loggers with visual alarm and 10 year battery life

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ACR's OWL Series consists of configurable, single-channel data loggers with flashing visual alarms, optical data transfer, and an industry-leading 10-year battery life.

The OWL 100 data logger records temperature in environments that typical data loggers cannot withstand. This model is also available in a water-resistant polyurethane enclosure (OWL-100 POLY) so it can be used in hostile environments where vibration or excess moisture is present.

The OWL 200 data logger can record temperature or switch status in environments that typical data loggers cannot withstand. Since the OWL's temperature sensor is external, it can work in excessive heat while the logger remains in a cooler environment. Because of its small size, the OWL can also fit into tight spaces.

The OWL 400 data logger is a rugged and versatile data logger that records DC voltage with ease and convenience. This logger is ideal for monitoring (through commercially available transducers) a wide variety of measurement parameters. All voltage signals can be converted into custom engineering units using the simple equation editor in ACR's TrendReader 2 software.

The OWL 500 data logger is a rugged and versatile data logger that records the popular 4-20mA process signal with ease and convenience. This logger is ideal for monitoring (through commercially available transducers) a wide variety of measurement parameters. All DC current process signals can be converted into custom engineering units using the simple equation editor of ACR's TrendReader 2 software.

• One channel with options to record temperature, voltage or process current.

• Configurable alarm thresholds and modes with blinking red light

• High capacity memory

Size	60 x 48 x 19 mm (2.4 x 1.9 x 0.7 in)
Case Material	Noryl® plastic (All models except OWL 100-Poly) Polyurethane (OWL 100-Poly water-resistant model)
Weight	54 g / 1.9 oz (All models except OWL 100-Poly) 80 g / 2.8 oz (OWL 100-Poly water-resistant model)
Operating Limits	-40 to 70°C (-40 to 158°F) and 0 to 95% RH (non-condensing) except OWL 100-Poly
Clock Accuracy	+/- 2 seconds per day
Battery	3.6 volt Lithium
Memory Size	32 KB (32,767 readings)
Sampling Method	Continuous (First-in, First-out)*, Stop When Full (Fill-then-stop)
Sampling Rate	User selectable rates from 5 per second to once every 12 hours
Resolution	8-bit (1 part in 256)
Communication	Optical data transfer; data can be transmitted through glass or transparent medium up to 25 mm (1 in)
Alarm Type	Flashes red LED once every 8 seconds
PC Requirements	Windows PC with a least 256MB RAM, 250MB of hard drive space and one free serial or USB port
Software Requirements	TrendReader® 2 (compatible with Windows® XP, Vista, Windows 7, Windows 8 & Windows 10t)
*Not available for sample rates faster than 8 seconds