Testo 570-2 Bruksanvisning
Testo
Mätutrustning
570-2
Läs nedan 📖 manual på svenska för Testo 570-2 (34 sidor) i kategorin Mätutrustning. Denna guide var användbar för 13 personer och betygsatt med 3.5 stjärnor i genomsnitt av 7 användare
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testo 570 · Digital manifold
Instruction manual
2
1 Contents
3
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1 Contents
1 Contents ................................................................................................... 3
2 Safety and the environment .................................................................... 4
2.1. About this document ........................................................................ 4
2.2. Ensure safety ................................................................................... 5
2.3. Protecting the environment .............................................................. 5
3 Specifications .......................................................................................... 6
3.1. Use .................................................................................................. 6
3.2. Technical data ................................................................................. 6
4 Product description ............................................................................... 11
4.1. Overview........................................................................................ 11
5 First steps .............................................................................................. 13
6 Using the product .................................................................................. 17
6.1. Preparing for measurement ........................................................... 17
6.1.1. Connecting temperature probe, Testo 552 and accessories .......................... 17
6.1.2. Switching the instrument on ........................................................................... 19
6.1.3. Choosing the measuring mode ...................................................................... 20
6.2. Performing the measurement ........................................................ 21
6.2.1. Measuring ...................................................................................................... 21
6.2.2. Tightness test / pressure drop test ................................................................. 22
6.2.3. Evacuation / vacuum display .......................................................................... 23
6.2.4. Vacuum measurement ................................................................................... 23
6.2.5. Charging ........................................................................................................ 24
6.2.6. Emptying ........................................................................................................ 24
6.2.7. Pressure/Compressor .................................................................................... 25
6.2.8. Current ........................................................................................................... 25
6.2.9. Efficiency calculation ...................................................................................... 25
6.3. Saving measurement values ......................................................... 25
6.4. Printing measurement values ........................................................ 27
7 Maintaining the product ........................................................................ 28
8 Tips and assistance ............................................................................... 29
8.1. Questions and answers ................................................................. 29
8.2. Measurement parameters ............................................................. 30
8.3. Error reports .................................................................................. 31
8.4. Accessories and spare parts ......................................................... 31
9 Appendix ................................................................................................ 32
9.1. Basis of calculation COP ............................................................... 32
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2 Safety and the environment
4
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2 Safety 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
Representation 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 Elements of the instrument, the instrument
display or the program interface.
[OK] Control keys of the instrument or buttons of
the program interface.
... | ... Functions/paths within a menu.
“...” Example entries
3 Specifications
7
Feature Values
Measurement
ranges
Pressure measurement range
HP/LP: -100…5000 kPa / -0.1…5 Mpa
/ -1…50 bar (rel) / -14.7…725 psi
Temperature measurement
range: -50…+150 °C / -58…302 °F
Measurement range vacuum (rel): -1…0 bar
/ -14.7…0 psi
Overload 52 bar, 5200 kPa, 5.2 Mpa, 754 psi
Resolution Resolution pressure: 0.01 bar / 0.1 psi /
1 kPa / 0.001 Mpa
Resolution temperature: 0.1 °C / 0.1 °F /
0.1 K
Vacuum resolution: 1 hPa / 1 mbar / 0.5 Torr
/ 0.5 inH2O / 0.02 inHg / 500 Micron / 100 Pa
Accuracy (nominal
temperature
22 °C/71.6°F)
Pressure: ±0.5% of final value (±1 digit)
Temperature (-40…302 °F/-40…+150 °C):
±0.5 °C (±1 Digit), ±0.9 °F (±1 digit), ±0.5 K
(±1 digit)
Vacuum: 1% of final value (±1 digit)
No. of refrigerants 40
3 Specifications
8
Feature Values
Selectable
refrigerants in the
instrument
R12 R408A R434A
R123 R409A R437A
R1233zd R410A R438A
R1234yf R414B R448A
R1134a R416A R449A
R22 R420A R450A
R290 R421A R452A
R401A R421B R455A
R401B R422B R502
R402A R421B R503
R402B R422B R507
R404A R422D R513A
R407A R424A R600a
R407C R427A R718 (H2O)
R744 (CO2) please note the permissible
pressure measuring range
3 Specifications
9
Feature Values
Refrigerants that
can be updated via
Software Easycool
R11 R227 R417B
FX80 R23 R417C
I12A R236fa R422A
R114 R245fa R444B
R1150 R32 R452B
R1234ze R401C R453a
R124 R4 6ª R454A
R125 R407B R454B
R1270 R407D R454C
R13 R407f R458A
R13B1 R407H R500
R14 R41 R508A
R142B R411A R508B
R152a R412A R600
R161 R413A RIS89
R170 R417A SP22
Memory capacity 10000 single measurements or 50 series
measurements (each with a measuring cycle
of 2 s, measurement period 100 h)
Measuring cycle 2s..59min 59s (freely selectable)
Measurable media Measurable media: all media that are stored
in the testo 570. Not measurable: ammonia
(R717) and other refrigerants which contain
ammonia
Ambient conditions Operating temperature: -20 to 50 °C / -4 to
122°F
Storage temperature: -20...60 °C / -4...140 °F
Humidity in area of use: 10 ... 90 %RH
Housing Material: ABS / PA / TPE
Dimensions approx. 280 x 135 x 75 mm
Weight: approx. 1200 g (without batteries)
IP-class 42 (position in use hanging down)
3 Specifications
10
Feature Values
Power supply Current source: 4 x 1.5 V rechargeable/non-
rechargeable batteries
Type AA / Mignon / LR6
Battery life: > 40h (display light off)
Display Type: Illuminated LCD
Response time: 0.5 s
Directives,
standards and tests
EU Directive: 2014/30/EU
The EU Declaration of Conformity
can be found on the testo
homepage www.testo.com under
the product specific downloads.
4 Product description
12
Icon Meaning
The measurement value is saved; in case of a
single measurement the inner circle flashes
once, with serial measurements the circle
flashes with each save procedure.
4 Battery compartment. Charging rechargeable batteries inside
the instrument is not possible!
5 Multi-function keys: The relevant function appears in the
display.
6 Control keys:
Key Function
[ ] Save or print measurement data.
[ESC] Exit the menu option.
[▲] Up-key: Change display view.
[▼] Down-key: Change display view.
[p=0] Zero the pressure sensor in the range +1 to
-1.3 bar.
[ ] Switch instrument on / off; short actuation
during operation: switches illumination on /
off.
7 Inspection glass for refrigerant flow.
8 4 x valve actuators.
9 4 x hose brackets for refrigerant hoses.
10 Connection 7/16“ UNF, brass.
High pressure, for refrigerant hoses with quick release screw
fitting, passage for valve actuator lockable.
11 Connection 5/8“ UNF, brass, for vacuum pump.
12 Connection 7/16“ UNF, brass, for e.g. refrigerant cylinders, with
screw cap.
13 Connection 7/16“ UNF, brass.
Low pressure for refrigerant hoses with quick release screw
fitting, passage for valve actuator lockable.
5 First steps
13
Interfaces
1 Mini-DIN connection for optional temperature sensors, testo 552
and accessories
2 IR-interface for testo protocol printer
3 Mini-USB connection for power supply unit and connection to
PC
CAUTION
Risk of injury from infrared beam!
> Do not direct infrared beam at human eyes!
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5 First steps
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Inserting batteries/rechargeable batteries
1. Unfold the suspension attachment and open the battery
compartment (clip lock).
2. Insert the batteries (scope of delivery) or rechargeable batteries
(4 x 1.5 V, type AA / NiMH / AA) into the battery compartment.
Observe the polarity!
3. Close the battery compartment.
When not in use for long period: Take out the batteries /
rechargeable batteries.
Recharge the rechargeable batteries completely before
using the instrument.
Switching the instrument on
> Press [ ].
- Initializing phase:
• All display segments light up (duration: 2s).
6 Using the product
17
WARNING
Valve positioner tightened too tightly.
• Damage to the PTFE seal (1).
• Mechanical deformation of the valve piston (2) leading to the
PTFE seal (1) falling out.
• Damage to the thread of the threaded spindle (3) and the valve
screw (4).
• Broken valve knob (5).
Tighten the valve positioner only hand-tight. Do not use any tools
to tighten the valve positioner.
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6 Using the product
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6.1. Preparing for measurement
6.1.1. Connecting temperature probe, Testo 552
and accessories
Sensors must be connected before the measuring
instrument is switched on, so that they are recognised by
the instrument.
• In combination with the testo 570, the testo 552 can be
used as an external high-precision vacuum probe, if
connected to the front of the testo 570 using the
connection cable 0554 5520. The firmware version
1.09 or later must be installed for this.
6 Using the product
18
• Before connecting both devices, the testo 552 must be
switched on.
• The testo 570 will only connect to the testo 552 once
Evacuation mode has been activated.
• The required pressure unit display must be set in the
testo 570.
• In order to be able to use the readings from the testo
552 via the testo 570 in the EasyKool software, you
need EasyKool software version 4.0 or later.
• (See testo 552 instruction manual.)
Surface temperature sensor
An NTC temperature sensor (accessory) must be connected for
measuring the pipe temperature and for automatic calculation of
superheating and subcooling.
Deactivating the surface compensation factor for immersion
and air temperature probe
A surface compensation factor has been set in the measuring
instrument to reduce the measuring errors in the main field of
applications. This reduces measuring errors when using surface
temperature probes.
If the measuring instrument testo 570 is used in combination with
insertion or air temperature probes (accessories), this factor must
be deactivated:
1. Press [Set].
2. Select the Probe type.
3. Select Immersion probe.
4. Press [Esc].
- The surface compensation factor has been deactivated in the
device.
For measurements with a surface temperature probe the
probe type must be reset to surface probe.
Each time the device is switched on the surface
compensation factor is activated again as standard.
Accessories
Clamp probe and oil pressure probe can only plugged to
connection (1).
6 Using the product
21
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6.2. Performing the measurement
WARNING
Risk of injury caused by pressurized, hot, cold or toxic
refrigerants!
> Wear protective goggles and safety gloves.
> Before applying pressure to the measuring instrument: Always
fasten the measuring instrument on the suspension attachment
to prevent it from falling down (danger of breakage)
> Before each measurement check the refrigerant hoses for
flawless condition and correct connection. Do not use any tools
to connect the hoses, tighten hoses only hand-tight (max.
torque 5.0 Nm / 3.7ft*lb).
> Comply with the permissible measuring range (-1…50 bar).
Pay particular attention in systems with refrigerant R744, since
these are frequently operated with higher pressures.
6.2.1. Measuring
✓ The actions described in the chapter “Preparing for
measurement” have been performed.
The mode Pressure/Temperature is set as standard
when starting the device.
1. Apply pressure to the measuring instrument.
2. Read the measurement values.
With zeotropic refrigerants, the evaporation temperature
to/Ev is displayed after the complete evaporation / the
condensation temperature tc/Co is displayed after complete
condensation.
The measured temperature must be assigned to the
superheating or subcooling side (toh <--> tcu). Dependent on
this assignment, the display will show toh/T1 resp. ∆toh/SH
or tcu/T2 resp. ∆tcu/SC, depending on the selected display.
- Reading and display illumination are flashing.
• 1 bar before the critical pressure of the refrigerant is
reached,
• when the max. permissible pressure of 49 bar is acceded.
6 Using the product
22
Key functions
> [ ]▲ or [▼]: Change the readings display.
Possible display combinations:
Evaporation pressure
Refrigerant evaporation
temperature to/Ev
Condensation pressure
Refrigerant condensation
temperature tc/Co
or (only with inserted temperature sensor)
Evaporation pressure
Measured temperature toh/T1
Condensation pressure
Measured temperature tcu/T2
or (only with inserted temperature sensor)
Evaporation pressure
Superheating ∆toh/SH
Condensation pressure
Subcooling ∆tcu/SC
or (only with third inserted temperature sensor T3)
Condensation pressure
Measured temperature T3/T3
or (only with plugged on clamp probe)
Evaporation pressure
Condensation pressure
Measured current value
or (only with inserted oil pressure probe)
Evaporation pressure
Condensation pressure
Measured oil pressure Pext
With two inserted NTC sensors (T1/T2) ∆t is additionally displayed.
> [Min/Max/Mean/Normal]: Show Min. / Max. measurement
values, mean values (since switching on).
6.2.2. Tightness test / pressure drop test
The temperature compensated tightness test can be used
to check the leak tightness of systems. For this purpose
both the system pressure and the ambient temperature are
measured over a defined period of time. For this purpose a
temperature sensor to measure the ambient temperature
may be connected (recommendation: Deactivate the
surface compensation factor and use NTC air sensors Art.-
No. 0613 1712).
See also Deactivating the surface compensation factor for
immersion and air temperature probe, page 18.
Produktspecifikationer
| Varumärke: | Testo |
| Kategori: | Mätutrustning |
| Modell: | 570-2 |
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