TESTO 623 User manual

testo 623
Ambient Condition Recorder
Instruction manual
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com

1 Contents
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1Contents
1Contents.................................................................................................25
2Safety and the environment..................................................................26
2.1. About this document......................................................................26
2.2. Ensure safety.................................................................................27
2.3. Protecting the environment............................................................27
3Specifications ........................................................................................27
3.1. Technical data...............................................................................27
4Product description...............................................................................28
4.1. Overview........................................................................................28
4.2. Basic properties.............................................................................30
5First steps ..............................................................................................30
6Using the product..................................................................................31
6.1. Commissioning..............................................................................31
6.2. Setting the limits............................................................................32
6.3. Performing settings........................................................................32
6.4. Flowchart.......................................................................................33
6.5. Measuring......................................................................................37
7Maintaining the product........................................................................41
8Tips and assistance...............................................................................42
8.1. Accessories and spare parts .........................................................42
8.2. Questions and answers.................................................................42
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2 Safety and the environment
2Safety and the environment
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2.1. About this document
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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.
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Symbols and writing standards
Representa-
tion Explanation
Warning advice, risk level according to the signal
word:
Warning! Serious physical injury may occur.
Caution! Slight physical injury or damage to the
equipment may occur.
> Implement the specified precautionary
measures.
Note: Basic or further information.
1. ...
2. ... Action: more steps, the sequence must be
followed.
> ... Action: a step or an optional step.
- ... Result of an action.
Menu Element of the instrument or instrument display.
[Set] Control keys of the instrument.
... | ... Functions/paths within a menu.
“...” Example entries

3 Specifications
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2.2. Ensure safety
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> Do not store the product together with solvents. Do not use any
desiccants.
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> Only use the device in closed, dry rooms and protect it from rain
and moisture.
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> Only operate the product properly, for its intended purpose and
within the parameters specified in the technical data. Do not
use any force.
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2.3. Protecting the environment
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> Dispose of faulty rechargeable batteries/spent batteries in
accordance with the valid legal specifications.
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> 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.
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3Specifications
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3.1. Technical data
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Characteristic Values
Parameters Temperature / Humidity
Units °C/°F
% RH, td, wb
Resolution Temperature: 0.1 °C
Humidity: 0.1 % RH
Measuring range Temperature: -10 to +60 °C
Humidity: 0 to 100 % RH (non-dewing)
Accuracy Temperature:
± 0.4 K + 1 digit
Humidity:
±2 %RH + 1 digit at 25 °C (10 to 90 %),
±3 % RH rest of range
Measuring rate 20 s
Operating
temperature -10 to +60 °C

4 Product description
Characteristic Values
Storage
temperature -20 to +60 °C
Battery type 4 x AA
Battery life at least 12 months
Housing material ABS
Protection class IP 30
Weight approx. 240 g (without batteries)
Dimensions
(LxWxH in mm) 185x105x36 185x112x47 (mounting clip folded out)
Warranty 24 months, warranty conditions: see
website www.testo.com/warranty
EC Directive 2004/108/EC
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4Product description
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4.1. Overview
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①Keypad
Key Function
Display max. value
Display min. value
Select histogram for temperature or humidity

4 Product description
Key Function
Select time interval
Change settings / select bar
Change settings / select bar
Confirm settings
Cancel input
Acknowledging an alarm
②Sensors
③Attachment device
④Battery compartment and instrument interface
⑤Mounting clip and wall fixture (integrated into housing)
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5 First steps
4.2. Basic properties
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Power supply
The instrument is powered optionally by:
• 4 batteries / rechargeable batteries, type AA
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Wall mounting
The distance between the upper and lower drill hole is 63 mm.
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5First steps
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Removing the protective film
> Remove the protective film from the display
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Inserting batteries/rechargeable batteries
1. Open the battery compartment on the rear of the instrument.
2. Insert batteries/rechargeable batteries (observe the polarity!)
3. Close the battery compartment.
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6 Using the product
6Using the product
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6.1. Commissioning
The date and time must be set on commissioning.
1. Select the required function with [Set].
If no button is pressed > 30 sec, the testo 623 changes to
Measuring Mode. To perform additional settings, press and
hold [Set] for 2 sec.
> The adjustable parameter flashes.
2. Set values with [◄] or [►]and confirm entry with [Set] (for
settings, see following table).
To scroll rapidly forward and back in the respective menu,
press and hold [◄ or ►].
Press [Esc] to cancel settings without saving them.
Hold [Set] down for 2 s to save previously set values and
leave the menu.
- Instrument returns to the display.
Display Function Setting option
DD.MM.YYYY flashes
or
MM.DD.YYYY flashes
Set date format DD.MM.YYYY = day,
month, year
MM.DD.YYYY =
month, day, year
Year flashes Set year 2009 - 2099
Month flashes Set month 01 - 12
Day flashes Set day 01 - 31
24H or 12H (AM/PM)
flash Set time format 24h/12h
Hour flashes Set hour value 00 - 23 or 01 - 12
Minute flashes Set minute value 00 - 59
Second flashes Set second value 00 - 59
°C flashes Set unit for
temperature °C/°F
Update date & time flashes ac tivate Yes / deac tivate No activa te Yes / deactivate No
If the power supply is interrupted the settings are being
saved for at least 3 min.

6 Using the product
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6.2. Setting the limits
Temperature
When changing the temperature unit from °C to °F, the set limit
values are converted
Humidity
When changing the humidity unit (%, td, wb), the set limit values
are not converted. The limit values must be reset via the Setup
menu.
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3.
6.3. Performing settings
1. Press and hold [Set] for 2 s.
> Display flashes.
2. Select the required function with [Set].
> The adjustable parameter flashes.
3 Set values with [◄] or [►]and confirm entry with [Set] (for
settings, see following table).
To scroll rapidly forward and back, press and hold [◄ or
►].
Press [Esc] to cancel settings without saving them.
Hold [Set] down for 2 s to save previously set values and
return to the current reading display.
If the entire Setup menu is run through, the settings made
are automatically stored.
If no key is pressed within 30 s, the screen reverts to the
current reading display automatically. No settings are
saved.
- Instrument changes to the next display function

6 Using the product
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6.4. Flowchart
A detailed description of the points , , , , ,  can be
found on the following pages.