Technical Data

General

Size

85 × 59 × 26 mm (3.4 × 2.3 × 1 in)

Weight

76 g (2.7 oz.)

Interfaces

RS-232 serial, USB, WiFi, Ethernet and

Power over Ethernet (vNet)

Mounting

3M Dual Lock™ fasteners

Power source

Internal 10-year lithium battery

(Battery life specified at +23 °C with

sample interval of 1 min or longer)

Internal clock

Accuracy ±1 min/month at

-25 °C ... +70 °C (-13 ... +158 °F)

Electromagnetic compatibility

FCC Part 15 and CE

EN 50581:2012

EN 55032:2012/AC:2013 Class B

EN 61326-1:2013

RoHS compliance

2011/65/EU

PC Software

Monitoring, alarming and reporting

viewLinc

Validation/mapping GxP environments vLog VL for validated

vLog SP for non validated

Adding loggers to an existing OPC-

compatible monitoring system

OPC Server

Channel Configuration and Recording Span

Channel Types

Model

CH 1

CH 2

CH 3

CH 4

2000-20R

T

RH

2000-3CR

T

RH

4 ... 20 mA

2000-35R

T

RH

0 ... 5 VDC

2000-3AR

T

RH

0 ... 10 VDC

2000-4BR

T

RH

Boolean

Boolean

Number of Channels Enabled1)

Sample

Interval

1

2

3

4

10 seconds

14.1 days

7.1 days

4.7 days

3.5 days

1 minute

2.8 months

1.4 months

23.8 days

21.2 days

5 minutes

1.2 years

7.1 months

4.7 months

3.5 months

15 minutes

3.5 years

1.7 years

1.2 years

10.6 months

1 hour

13.9 years

7.0 years

4.6 years

3.5 years

1)

Temperature channel must be enabled when the RH channel is enabled.

Memory

Sample capacity

122 197 12-bit samples

Memory type

Non-volatile EEPROM

Memory modes

User-selectable wrap (FIFO) or stop

when memory is full. User-selectable

start and stop times.

Sampling rates

User-selectable from once every 10

seconds to once a day.

Internal Sensors

Internal Temperature Sensor

Calibrated measurement range1)

-25 ... +70 °C (-13 ... +158 °F)

Operating range

-35 ... +85 °C (-31 ... +185 °F)

Initial accuracy2)

± 0.10 °C over +20 °C ... +30 °C (± 0.18 °F over +68 °F ... +86 °F)

± 0.20 °C over -25 °C ... +70 °C (± 0.36 °F over -13 °F ... +158 °F)

One Year Accuracy3)

± 0.15 °C over +20 °C ... +30 °C (± 0.27 °F over +68 °F ... +86 °F)

± 0.25 °C over -25 °C ... +70 °C (± 0.45 °F over -13 °F ... +158 °F)

Resolution

0.02 °C at +25 °C (0.04 °F at +77 °F)

Internal RH Sensor

Calibrated measurement range1)

45 %RH at +10 °C (+50 °F)

10 ... 80 %RH at +25 °C (+77 °F)

45 %RH at +45 °C (+113 °F)

Operating range

0 ... 100 %RH (non-condensing)

Initial accuracy2)

± 1 %RH over 10 ... 80 %RH at

+20 ... +30 °C (+68 ... +86 °F)

± 1.5 %RH over 80 ... 90 %RH at

+20 ... +30 °C (+68 ... +86 °F)

± 2 %RH over 10 ... 90 %RH at

-20 ... +70 °C (-4 ... +158 °F)

One year accuracy3)

± 2 %RH over 10 ... 90 %RH at

+20 ... +30 °C (+68 ... +86 °F)

± 3 %RH over 10 ... 90 %RH at

-20 ... +70 °C (-4 ... +158 °F)

Resolution

0.05 %RH

1)

Custom calibration points available upon request including full ICH coverage.

2) Initial accuracy includes all known influence quantities present at the time of calibration including

calibration uncertainty, mathematical fit, data logger resolution, hysteresis and reproducibility.

3) One Year Accuracy includes all known influence quantities present during the operation of a data

logger over the course of one year including Initial Accuracy and Long Term Drift. Not included is any

drift related to atypical contamination or misuse.

Current Loop and Voltage Inputs

Input Type

Current Loop

Analog Voltage

Available ranges

0 ... 22 mA

0 ... 5 VDC, 0 ... 10 VDC

Resolution

5.5 μA

0.025 % F.S.

Accuracy

±0.15 % F.S. at +25 °C

(+77 °F)

±0.15 % F.S. at +25 °C

(+77 °F)

Input impedances

75 Ω1)

>1 MΩ

Isolation

One common per logger

One common per

logger

Overload

protection

40 mA max. (reverse-

polarity protected)

±24 VDC max. (reverse-

polarity protected)

1)

Termination resistance plus approximately 0.4 volt drop through a protection diode.

Published by Vaisala | B211055EN-E © Vaisala 2017

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Vaisala or its individual partners. Any reproduction, transfer, distribution

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prohibited. All specifications — technical included — are subject to

change without notice.

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