Refrigeration Digital Manifold Gauge Set HVAC Vacuum Pressure with93 Refrigerant

  
This HVAC gauge is for regular residential AC. It is suitable for all automobile air conditioner, household air conditioning, refrigeration equipment and cold storage, etc. Built-in 93 kinds of refrigerant NIST: According to American NIST standard. Power Supply: 4pcs 1.5V AA / LR6 batteries (Battery not included).

Question 1: How to verify the accuracy of the temperature? Answer: Take out the black wire with the silver metal from the temperature clamp and put it in the boiling water. If the temperature is 100 degrees Celsius or the error is plus or minus 3%, it is normal.

NOTE: Please pay attention to temperature unit conversion between Celsius/Fahrenheit. Question 2: Does this gauge have a micron reading function? Answer: No, the accuracy of this refrigerant manifold gauge can only reach the accuracy equivalent to this unit: -101 Kpa-0 Kpa. Question 3: Why does the pressure value fluctuate slightly? Is it a leak or is the data inaccurate? Answer: According to the current level of hardware processing in the industry, it is difficult to achieve a 100% completely sealed valve on the market. The sealing degree of our guage hardware can only reach 99%. But these slight leaks will not affect the use.

Digital Manifold Gauge Compatible with 93 Kinds of Refrigerants. R11 R113 R114 R115 R116 R12 R123 R124 R125 R1270 R13 R134A R14 R141B R142B R143A R152A R170 R21 R218 R22 R227EA R23 R236EA R245CA R245FA R290 R32 R401A R401B R401C R402A R402B R403A R403B R404A R405A R406A R407A R407B R407C R407D R407E R408A R409A R409B R41 R410A R410B R411A R411B R412A R413A R414A R414B R415A R415B R416A R417A R418A R419A R420A R421A R421B R422A R422B R422C R422D R423A R424A R425A R426A R427A R428A R438A R448A R449A R452A(Newly added) R50 R500 R501 R502 R503 R504 R507A R508A R508B R509A R600 R600A R717 R744(Co2) R1234. Product Specifications of Refrigerent Gauge.

Pressure test unit: Kpa; Mpa; bar; inHg; PSI. Pressure test range: 0 Kpa 6000 Kpa.

Pressure test resolution: 1 Kpa. Pressure test accuracy: +/- 0.5 %(FS)+ 5dgt.

Pressure overload limit: 10000 Kpa (10 Mpa; 100 bar;). Temperature test unit: °C (Celsius), °F (Fahrenheit). Temperature test range: -40°C150°C (-40°F302°F). 0.1°C (-40°C99.9°C), 1°C (100°C150°C). 0.1°F (-40°F99.9°F), 1°F (100°F302°F).

+/- 0.5 °C + 2dgt. +/- 0.9 °F + 2dgt. Vacuum test unit: Kpa; Mpa; bar; inHg; PSI. Vacuum test range: -101 Kpa 0 Kpa.

Vacuum test resolution: 1 Kpa. 1pc HVAC Digital Refrigerant Gauge (Battery not included). 1pc User Manual (in English). 4pcs Refrigerant hoses seal fittings. If your package delayed few days, due to any unexpected factor, please wait patiently.

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