Description
1. Measurements on refrigeration systems and heat pumps can be done very quickly
2. Equipped with a large display screen for easy evaluation of measurement results
3. Concise menu guides you through measurements and automatically determines key system parameters such as target superheat, air tightness testing and vacuum
4. Wireless bluetooth connection: The bluetooth probe for temperature, pressure and humidity measurement will automatically connect to the refrigerant meter (the package does not include bluetooth probe)
5.testo Smart App The smart app creates a digital document on site with your favorite refrigerants. The system will automatically update the refrigerant storage to ensure that the instrument always has a wide range of applicability
6. Easy to operate, strong and durable housing, protection grade IP54, very compact and reliable
specification:
Model: testo 550s digital refrigerant meter
Measuring range: -50 ~ +150 °C
Measurement accuracy: ±0.5 °C
Resolution: 0.1 °C
Probe connection: plug-in (NTC)
Measuring range: -1 to 60 bar
Measurement accuracy: ±0.5 % of full scale
Resolution: 0.01 bar
Probe Connections: 3 x 7/16" – UNF
Overload Relative pressure (high pressure): 65 bar
Dimensions: 210 x 121 x 60 mm (LxWxH)
Operating temperature: -20 ~ +50 °C
Protection class: IP54
System requirements: requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Product colour: Black
Automatic shutdown: 10 min*
Battery type: 4 x type AA (not included)
Battery life: 250 h with no illumination, no Bluetooth®; 100 h with illumination and Bluetooth®
Data transfer: Bluetooth®
Radio range: 150 m
Storage temperature: -20 ~ +60 °C
Refrigerants update via App: R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; Ra11A; R412A; R413A ; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Refrigerant: R407H; R23; R290; R1234yf (display: T8 (testo 557), customer can update refrigerant by "EasyKool" software; R442A; R134a; R123; R452B; R438A; R421A; R453a; R401B; R1233zd; R410A ; R407A; R407C; R452A; R401A; R422C; R427A; R422B; R424A; R125; R414B; R404A; R408A; R448A; R422D; R12; R114; R421B; R449A; R409A; R420A; R444B; R32 ; R450A; R407F; R416A; R13; R437A; R1234ze; R454B; R402B; R22; R434A; R454C; R455A; R458A; R500; R502; R503; R507; R513A;
Package Included:
testo 550s digital refrigerant meter*1
Wired clamp probe (NTC)*2
Instrument case*1
Instruction Manual*1
Terms & Conditions
Payment We accept payment via We accept payment via Credit Card、Debit Card、Apple Pay、Google Pay or PayPal etc.
Payment must be made within 4 days of auction closing. or an unpaid case will be open on ebay
automatically.
Please contact us via ebay massage to list your special requests (color, packages, etc.) immediately. We can not change your address and color once we've dispatched package and deliver to the shipper.
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We accept any return in 30 days that we promise.
If buyer return it just because buyer don't like it or bought a wrong item, it is buyer pay for return shipping fee.
if item is defect or wrong when arrives. we will pay for the shipping fee after buyer show the shipping invoice.
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About us
It's our pleasure to answer any questions you have. Please send us a message through eBay and allow 24 hours for reply
Our working time: 9:00 AM - 18:30 PM (Beijing Time GMT+8 ), Monday - Friday. (weekend and holidays excluded).