Specifications

30
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
Conservation 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 measure-
ments raise above set limits. With 12-bit resolution, user selectable sam-
ple rates, 5-year battery life and an LED light for visual alarming, it is the
ideal solution for museums, libraries and archives where temperature,
humidity and light are important factors to the preservation and conser-
vation 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:
IBM PC or 100% compatible running Windows® 3.1,
’95, ’98, 2000, Me, NT or XP with at least 2 MB RAM,
2 MB of hard drive disk space and one free serial port
Software Requirements:
TrendReader® Standard (see page 34 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