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| Four-Channel Temperature, RH and 0-5 VDC (2x) Data Logger (Conservation Logger) |
| Manufacturer: ACR |
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The Conservation Logger is a self-contained temperature and relative humidity logger with two external channels for use with a variety of sensors. It is equipped with an LED light that will alert the user if measurements fall above or below user set limits.
Specifications
| Size |
107 mm x 74 mm x 22 mm (4.2" x 2.9" x 0.9") |
| Weight |
110 g (3.75 oz) |
| Case Material |
Noryl® plastic |
| Battery |
3.6 volt Lithium, 1 Amp-Hour |
| Battery Life |
5 years under normal use (factory replaceable) |
| Mounting |
Magnetic backing or locking 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 up to 87,000 readings) |
| Channels |
One internal temperature channel, one internal relative humidity channel, two 0-5 Volt DC inputs for optional sensors (i.e. light sensor) |
| Sampling Methods |
1. Continuous (First-in, First-out) – not available with sample rates faster than 8 seconds
2. Stop when full (Fill-then-stop) |
| Sampling Rates: |
User selectable rates from 25 per second (0.04 seconds) to once every 8 hrs (BP-101 Battery Pack or PS-201 Power Supply required for sample rates faster than 8 seconds) |
| Resolution: |
12-bit (1 part in 4096) |
| PC Requirements: |
IBM PC or 100% compatible, with at least 2 MB RAM, 2 MB of hard drive disk space and one free serial port |
| Software Requirements: |
TrendReader® Standard - compatible with Windows 3.1, 95, 98, 2000, Me, NT and XP |
| Temperature Sensor Type |
NTC Thermistor |
| Temperature Sensor Range |
-40 to 70ºC (-40 to 158ºF) |
| Temperature Sensor Accuracy |
+/- 0.2ºC over the range of 0 to 70ºC (+/- 0.3ºF over the range of 32 to 158ºF) |
| Temperature Sensor Resolution |
0.03ºC at 25°C (0.05ºF at 77°F); better than 0.07ºC (0.12°F) between -25 and 70°C (-13 and 158°F); better than 0.13ºC (0.23°F) between -40 and -25°C (-40 and -13°F) |
| RH Sensor Type |
Capacitive thin polymer film |
| RH Sensor Range |
0 to 95% RH |
| RH Sensor Accuracy |
+/- 3% RH from 10 to 90% (-20 to 40ºC [-4 to 104ºF]) |
| RH Sensor Resolution |
Better than 0.04% RH between 25 and 60% RH at 25ºC (77ºF) |
| External Sensor Range |
Any two sensors with a 0-5 VDC output |
Ordering Information
| Model |
Type |
Catalog # |
| Conservation Logger |
Temperature, RH and 5V Data Logger |
01-0133 |
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Part Number: 
