TESTO 184 T1 User manual
testo 184 · Data logger
Instruction manual
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2 Specifications
3
1Safety and the environment
1.1. About this document
Use
> Please read this documentation through carefully and
familiarize yourself with the product before putting it to use. Pay
particular attention to the safety instructions and warning advice
in order to prevent injuries and damage to the products.
> Keep this document to hand so that you can refer to it when
necessary.
> Hand this documentation on to any subsequent users of the
product.
1.2. Ensure safety
> Only operate the product properly, for its intended purpose and
within the parameters specified in the technical data. Do not
use any force.
> Carry out only the maintenance and repair work on this
instrument that is described in the documentation. Follow the
prescribed steps exactly. Use only original spare parts from
Testo.
1.3. Protecting the environment
> Dispose of faulty rechargeable batteries/spent batteries in
accordance with the valid legal specifications.
> At the end of its useful life, send the product to the separate
collection for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
2Specifications
2.1. Use
The testo 184 data loggers are used to save and read out individual
readings and measurement series. They have been specifically
designed for monitoring the transportation of products subject to
cold chain requirements.
Temperature and humidity readings are saved throughout the
entire duration of the measurement program.
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Acceleration readings are monitored throughout the duration of the
measurement program and saved when the set limit value is
exceeded.
Data logger programming and measurement report output are
implemented via PDF files, no software needs to be installed.
Product versions T1 and T2 are single-use data loggers with a
time-limited service life.
2.2. Technical data
testo 184 T1, T2, T3, T4
Feature Values
Display T1, T4: no
T2, T3: yes
Probe type T1, T2, T3: internal NTC temperature sensor
T4: internal PT1000 temperature sensor
Measuremen
t channels
1 internal
Measure-
ment
parameters
[unit]
Temperature [°C, °F]
Measuring
range
T1, T2, T3: -35 to 70 °C
T4: -80 to 70 °C
Accuracy T1, T2, T3: ±0.5 K
T4: ±0.8 K (-80 to -35.1 °C), ±0.5 K (-35.0 to 70 °C)
Resolution 0.1 °C
Operating
temperature
T1, T2, T3: -35 to 70 °C
T4: -80 to 70 °C
Storage
temperature
T1, T2, T3: -35 to 70 °C
T4: -80 to 70 °C
Battery type T1: internal, non-replaceable
T2: internal, non-replaceable
T3: CR2450, replaceable
T4: TLH-2450, replaceable
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Feature Values
Battery life
(reusable
data loggers)
T3: 500 days (15-minute measuring cycle, 25 °C)
T4: 100 days (15-minute measuring cycle, -80 °C)
Operating
time (single-
use data
loggers)
T1: 90 days from the first time the program is started
(5-minute measuring cycle, -35 °C)
T2: 150 days from the first time the program is
started (5-minute measuring cycle, -35 °C)
Protection
class
IP67
Measuring
interval
1 minute to 24 hours
Memory T1: 16,000 readings
T2, T3, T4: 40,000 readings
Dimensions T1: 33 x 9 x 74 mm
T2, T3, T4: 44 x 12 x 97 mm
Weight T1: 25 g
T2, T3, T4: 45 g
Directives,
standards,
certificates
2014/30/EC, EN 12830, HACCP-certified,
temperature calibration certificate traceable
according to ISO 17025
Warranty/
guarantee
T1, T2: 12-month warranty from the production date,
production date: see circled date code (MMDD) on
the identification plate.
T3, T4: 24-month warranty, warranty terms: see
website www.testo.com/warranty
testo 184 H1, G1
Feature Values
Display yes
Probe type H1: internal digital humidity sensor
G1: internal 3-axis accelerometer
Measuremen
t channels
H1: 2 internal
G1: 5 internal
Measure-
ment
parameters
[unit]
H1: temperature [°C, °F], relative humidity [%]
G1: temperature [°C, °F], relative humidity [%],
acceleration [g, m/s²]
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Feature Values
Measuring
range
-20 to 70 °C
0 to 100 % (not for condensing atmospheres)1
G1: 0 to 27 g
Accuracy ±0.5 K (0.0 to 70 °C), ±0.8 K (-20 to -0.1 °C)
±1.8 % RH + 3 % of the reading (at 25 °C, 5 to
80 %), ±0.03 % RH / K (at 0 to 60 °C)
G1: ±1,1,1 m/s² + 5 % of the reading
Resolution 0.1 °C
0.1 % RH
G1: 0.1 g
Operating
temperature
-20 to 70 °C
Storage
temperature
-55 to 70 °C
Battery type CR2450, replaceable
Battery life
(reusable
data loggers)
H1: 500 days (15-minute measuring cycle, 25 °C)
G1: 120 days (15-minute measuring cycle, 25 °C)
Protection
class
IP 30
Measuring
interval
1 minute to 24 hours (temperature and relative
humidity)
1 second (acceleration)
Scan
frequency
1600Hz (acceleration)
Memory 64,000 readings (temperature and relative humidity)
G1: 1,000 readings (acceleration)
Dimensions 44 x 12 x 97 mm
Weight 45 g
Directives,
standards,
certificates
2014/30/EC, HACCP-certified
1For continuous application in high humidity (> 80 % RH at ≤30 °C for > 12 h,
> 60 % RH at > 30 °C for > 12 h), please contact us via www.testo.com/service-
contact
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Feature Values
Warranty
24 months, warranty conditions: see website
www.testo.com/warranty
3Product description
3.1. Status LEDs
To increase the battery life, the status LEDs are not permanently
illuminated. They flash once every 5 seconds.
In hibernation mode, the status LEDs are disabled.
Alarm
Feature LED colour
No alarm green
Alarm red
Battery
Feature LED colour
Battery life > 10 days green
Battery life < 10 days red
Mode
Feature LED colour
WAIT mode (wait for program start) green and red
Rec mode (measurement program running) green
End mode (measurement program finished) red
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3.2. Display (LCD)
Not available for all product versions.
1 Measurement program running
2 Measurement program finished
3 Wait for start of measurement program
4 Highest saved reading
5 Lowest saved reading
6 Reading
7 Status information: start criterion Date/time programmed/time
mark, xyz measurement axes for acceleration measurement,
Alarm set limit value(s) exceeded, set limit value(s) not
exceeded
8 Units
9 Battery capacity: sufficient, empty
10 Lower limit value exceeded
11 Upper limit value exceeded
For technical reasons, the display speed of liquid crystal
displays becomes slower at temperatures below 0 °C
(approx. 2 seconds at -10 °C, approx. 6 seconds at -20 °C).
This has no influence on the measuring accuracy.
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3.3. Key functions
Commissioning
The data loggers are delivered in hibernation mode to prolong the
battery life. In this mode, the status LEDs and the display are
disabled.
> Press the START key or the STOP key.
- Wait mode is activated.
START key
✓Wait mode and start criterion Button Start programmed.
> Press START key for approximately 3 seconds to start the
measurement program.
- The measurement program starts: Mode status LED flashes
green, Rec appears on the display.
✓Product versions with display:
> Press START key to toggle between the displays.
Display sequence (max. display range per version, certain data is
not displayed depending on the operating mode):
Display T2 T3 H1 G1
Current temperature reading (°C / °F) X X X X
Current average value MKT (Mean Kinetic
Temperature)
X X X X
Current relative humidity reading (%) - - X X
Current acceleration reading, X axis (x, g) - - - X
Current acceleration reading, Y axis (y, g) - - - X
Current acceleration reading, Z axis (z, g) - - - X
Maximum temperature reading (Max, °C / °F) X X X X
Minimum temperature reading (Min, °C / °F) X X X X
Maximum relative humidity reading (Max, %) - - X X
Minimum relative humidity reading (Min, %) - - X X
Maximum acceleration reading , X axis (Max,
x, g)
- - - X
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Display T2 T3 H1 G1
Maximum acceleration reading, Y axis (Max,
y, g)
- - - X
Maximum acceleration reading, Z axis (Max,
z, g)
- - - X
Time mark ( ) X X X X
Battery life in days ( ) X X X X
STOP key
✓Rec mode and stop criterion Button Stop programmed.
> Press STOP key for approximately 3 seconds to end the
measurement program.
- The measurement program ends: Mode status LED flashes red,
End appears on the display.
START + STOP key
The data loggers may be placed in hibernation mode to prolong the
battery life. In this mode, the status LEDs and the display are
disabled.
✓WAIT or End operating mode.
> Press the START key and the STOP key simultaneously for
approximately 3 seconds.
- Hibernation mode is activated.
3.4. Important information and glossary of terms
• Single-use data logger (versions T1 and T2): the data logger
has a time-limited service life, which begins from the first time
the program is started.
• Start and stop setting: the criteria for starting and stopping the
program are defined in the configuration file.
One of the criteria must be selected for starting the program.
When selecting the criterion, a time delay can be entered
(program starts x minutes after pressing the key).
Both criteria can also be selected for stopping the program. The
criterion that occurs first stops the program.
• Measuring interval: the measurement interval defines the
intervals at which readings are saved.
• Time mark: time marks can be set for the documentation,
e.g. when responsibility is transferred to another institution.
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3
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