Product Information
Testo 556 Brochure AC Applications Guide Residential AC Systems RSA Whitepaper Solar Powered Refrigeration Retrofitting Domestic Refrigeration Systems Refrigeration and AC Systems Refrigeration Systems For Cold Storage
Readings can be displayed graphically or in tabular form with Testo's new Easy Kool software. A commissioning report can be created if all actions taken during commissioning are recorded. The uninterrupted documentation of the data over a defined period allows the targeted diagnosis of the causes of malfunctions. The commissioning data as well as all inspection data are available anytime. This makes interference with the system including unauthorized interference transparent. The data are manipulation proof. The use of the measurement system, instrument, and software not only helps to be more accurate and considerably faster, but it also increases customer satisfaction as all relevant data are available.
Digital display
The digital display is much more easy to read than an inaccurate and clumsy analog gauge. The risk of inaccuracy in reading analog displays is always present, caused by the so called parallax error, which states that the respective angle of sight has an effect on the result read. Frequent vibrations can also make reading the display additionally difficult, but with a digital instrument, your accuracy will be unsurpassed in the refrigeration industry.
Testo 556 1 Technical Data
Operating temperature
-20 degrees C to + 60 degrees C
Storage temperature
Display
LCD
Battery life
40 hours without illumination
Dimensions
10 1/4 x 5 1/8 x 2 3/4 inches
Weight
3 pounds
Pressure media
CFC, HFC, N, H2O, CO2, 2 stainless steel versions: NH3
Protection class
IP 54
25/50 barrelrel
Overload (LP/HP)
40/100 bar
Accuracy
± 0.5 percent of full scale value ± 1 digit Class 0.5
Connections
3x7/16 inches – UNF+1x 5/8 inches – UNF
Vacuum
0 to 200hPaabs
Overload vacuum
3bar/sensor protected from high pressures
Temperature
Measuring range
- 50 to + 200 degrees C
Pt 100 class B ± (0.3 + 0.005 tl)
Resolution
0.1 degree C
Probe connections
1x plug in
Refrigerants in the instrument
further refrigerants can be downloaded free of charge from the Testo
homepage using the software
Documentation
Data store in instrument
60,000 readings
Refrigerants permanently stored in instruments
R12
R403B
R414b*
R1270
R404A
R417A
R134A
R406a*
R422a*
R22
R407A
R500
R33
R407B
R502
R290
R407C
R507
R401A
R407D
R508**
R401B
R408A
R717**
R401C
R409A
R723**
R402A
R410A
R744
R402B
R413A
R718
* only testo 523 / 556 1 / 560 1 (brass)
** only testo 556 2 / 560 2 (stainless steel)
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