Specifications

28
Conservation Logger
FEATURES
• Monitor and record
temperature, RH
and any parameter
with a 0-5VDC out-
put
• Visual alarm
• 12-bit resolution
• 5-year battery life
• 128 KB memory
(87,000 readings)
• Fast sample rates
(up to 25 samples
per second)
• Network capable
• Remote access via
modem or Ethernet
• User configurable
Five-Channel Temperature, RH and 5V Input Data Logger
The Conservation Logger is a self-contained temperature and relative
humidity logger with two external channels for use with a variety of sen-
sors. It is equipped with an LED light that will alert the user if measurements
raise above set limits. With 12-bit resolution, user selectable sample rates,
5-year battery life and an LED light for visual alarming, it is the ideal solu-
tion for museums, libraries and archives where temperature, humidity and
light are important factors to the preservation and conservation of precious,
valuable items.*
*
When used in conjunction with a light sensor
PRODUCT 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
Mounting:
Magnetic backing or lock eyelet
Operating Limits:
-40 to 70° C (-40 to 158° F) and 0 to 95% relative
humidity (non-condensing)
Clock Accuracy:
+/- 2 seconds per day
Battery:
3.6 volt Lithium, 1 Amp-Hour
Battery Life:
5 years under normal use (factory replaceable)
Memory Size:
128 KB (87,000 readings)
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 (see Accessories section for
details)
Resolution:
12-bit (1 part in 4096)
PC Requirements:
PC running Windows 2000 SP4, Windows XP SP1 or
Windows Vista 32 bit. PC must have one free serial or
USB port depending on connection.
Software Requirements:
TrendReader® 2 (see page 32 for details)
SENSOR SPECIFICATIONS
Temperature 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 32 to 158ºF)
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
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 and
60% RH at 25ºC (77ºF)
External Sensors (2):
Range: Any two sensors with a 0-5 VDC output
Order Information
MODEL MEMORY CATALOG #
Conservation Logger 128 KB 01-0133
ACR Catalog 2010.qxp:ACR Catalog may2 2007.qxd 9/13/10 1:01 PM Page 30