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ACR Conservation Logger
Four-Channel Temperature, RH and 5V
Input Data Logger

Monitor and record temperature, RH and any parameter with a 0-5 VDC output
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

ACR Conservation Logger Shown

Product Information
Datasheet	83 KB
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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. With 12-bit resolution, user selectable sample rates, 50 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 conservation of precious, valuable items.

Conservation Logger Specifications

No. of Channels

Four

One for Temperature
One for RH Sensor
Two external Sensors for any type with a 0-5VDC output

Sampling Methods

1. Continuous (First-in, First-out)
2. Stop when full (Fill then stop)

Sampling Rates

User selectable rates from 25 per second to once every 8 hours
BP-101 Battery Pack or PS-201 Power supply is required for sample rates faster then 8 seconds

Clock Accuracy

+/- 2 seconds per day

Memory Size

128 KB (87,000 readings)

Temperature Sensor

Type

NTC Thermistor

Range

-40 to 70°C (-40 to 158°F)

Accuracy

+/- 0.2°C over the range 0 to 70°C (+/- 0.3°F over the range of 32 to 158°F)

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 Sensor Range

Range

Any two sensors with a 0-5 VDC output

Operating Limits

-40 to 70°C (-40 to 158°F)

Resolution

12-bit

Power Source

Battery

3.6 volt Lithium, 1 Amp-Hour

Power Consumptions

5 years under normal use (factory replaceable)

Battery Life

10 Years under normal use

General Specifications

Size

107 mm x 74 mm x 22 mm (4.2" x 2.9" x 0.9")

Case Material

Noryl plastic

Mounting

Magnetic backing and locking eyelet

Certification

Certified to CE standard EN50082-1: 1992 (European Generic Immunity) covering ESD, RFI, and EFT/B

Meets CE Standards EN55011 Class B: 1991 (European Radiated Emissions) and CISPR Class B: 1991 (International Radiated Emissions)

Ordering Information
ACR TrendReader 2 Software required for usage
Model	Description	Buy Online	Price
Conservation Logger	ACR Systems Conservation Logger - 128 KB Four channel, 12 bit, 128 KB data logger		$1,050.00
Software
TRS2FULLINSTALL	ACR Systems TRS2-FULL INSTALL TrendReader 2 Full Install CD. (Latest version)		$130.00
TRS2UPGRADE	ACR Systems TRS2-UPGRADE TrendReader 2 Upgrade CD. (Requires a previous version of TrendReader Standard.)		$110.00
TRS2WIC101	ACR Systems TRS2-W/IC-101 TrendReader 2 Interface Package (IC-101) Software CD & Serial Port Interface cable for SR/SRP data loggers		$230.00
TRS2WIC102	ACR Systems TRS2-W/IC-102 TrendReader 2 Interface Package (IC-102) Software CD & USB Interface cable for SR & SRP data loggers		$240.00
Included Accessories
	1 - Users guide	Included
Optional Accessories
SC100	ACR Systems SC-100 General Purpose Briefcase style, locking, customizable logger & accessory storage case		$155.00

ACR Conservation Logger Four-Channel Temperature, RH and 5V Input Data Logger

ACR Conservation Logger
Four-Channel Temperature, RH and 5V
Input Data Logger