Conservation Logger from ACR

Conservation Logger
The Conservation logger is a self-contained temperature and relative humidity logger with 2 external channels for use with a variety of sensors. It can connected to an optional light sensor to measure visible light and UV light intensity. It is equipped with a LED to alert the user if measurements fall above set limits.

temperature, RH, light intensity logger
Conservation Logger
Size	107mm x 74mm x 22mm (4.2" x 2.9" x 0.9")
Weight	110g (3.75 ounces)
Case Material	Noryl® plastic
Battery	3.6 volt Lithium, guaranteed for 10 years
Resolution	12 bit (1 part in 4096)
Mounting	Magnetic backing or lock eyelet
Clock Accuracy	±2 seconds per day
Operating Limits	-40 to 70 °C (-40 to 158 °F) and 0 to 95% relative humidity (non-condensing)
Memory Size	128 KB; capable of storing 87,000 readings
Channels	one internal temperature one internal RH two 0-5 Vdc for Lumatect LS-101
Temperature Sensor Specification	NTC Thermistor; -40 to 70 °C (-40 to 158 °F) accrracy: ±0.2 °C from 0 to 70 °C; ±0.5 °C from -40 to 0 °C (±0.36 °F from 32 to 158 °F; ±0.9 °F from 32 to -40 °F)
RH Sensor Specification	capacitive thin polymer film ±3% from 10 to 90% (-20 to 40 °C [-4 to 104 °F]) better than 0.04% between 25 and 60% RH at 25 °C (77 °F)
PDF
PDF (sensor)