Conservation Logger
The Conservation Logger is a self-contained temperature and relative humidity logger with two external channels for use with a varity of sensors, It is equipped with an LED light that will alert the user if measurements fall above set limits. With 12-bit resolution, user selectable sample rates, 5-year battery life and an LED leight for visual alarming, it is the ideal solution for museums, libraries and archievs where temperature, humidity and lieght are important factores to the preservation and conservation of precious, valuable items.*
- *When used in conjunction with a light sensor
Product Sepecifications
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Size: 107 mm x 74 mm x 22 mm (4.2" x 2.9" x 0.9")
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Weight: 110 g (3.75 oz)
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Case Material: Noryl®plastic
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Mounting: Magnetic backing or look eyelet
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Operating Limits: -40 to -70ºC (-40 to 158ºF) and 0 to 95% relative humidity (non-condensing)
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Clock Accuracy: +/- 2 secondes per day
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Battery: 3.6 volt Lithium, 1 Amp-Hour
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Battery Life: 5 years unser normal use (factory replaceable)
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Memory Size: 128 KB (87,000 readings)
- Sampling Methods:
- 1. Continous (First-in. First-out)
- 2. Stop when full (Fill-than-stop)
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Sampling Rates: User selectable rtes from 25 per second (0.04 secondes) to once eyery 8 hrs*
- *BP-101 Battery Pack or PS-201 Power Supply required for sample rates faster than 8 secondes
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Resolution: 12-bit (1 part in 4096)
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PC Requirements: IBM PC or 100% comptible running Windows®3.1, `95, `98, 2000, ME, NT or XP with least 2 MB RAM, 2 MB of hard drive disk space and one free serial port
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Software Requirements: TrendReade® Standard Software
Sensor Specifications
- Temerature Sensor:
- Type: NTC Thermistor
- Range: -40 to 70ºC (-40 to 158ºF)
- Accuracy: +/- 0.2ºC over the range of 0 to 70ºC (+/- 0.3ºF over the range of 0 to 185ºF)
- Resolution: 0.03ºC at 25ºC (0.05ºF at 77ºF); better than 0.07ºC (0.12ºF) between -25 and 70ºC (-13 and 158ºF); better than 0.13ºC (0.23ºF) between -40 and -25ºC (-40 and -13ºF)
- RH Sensor:
- Type: Capacitive thin polymer film
- Range: 0 to 95% RH
- Accuracy: +/- 3% RH from 10 to 90% ( -20 to 40ºC(-4 to 104ºF])
- Resolution: Better than 0.04% RH between 25 an 60% R`H at 25ºC (77ºF)
- External Sensor:
- Range: Any two sensors with 0-5 VDC output
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