The testo 549 digital manifold is a breakthrough value, making analog gauges obsolete. It precisely measures high side / low side pressure and instantly displays the corresponding saturation / evaporation temperatures for 60 refrigerants. With optional temperature probes, automatic superheat and sub-cooling calculations can also be displayed.
-Measures high side / low side pressure and displays saturation / evaporation temperatures
-2-way valve block with three connections and sight glass
-60 refrigerant profiles stored in the instrument
-Large 2-line backlit display
-5 year warranty with registration
-Provides real-time superheat and sub-cooling with optional temperature probes| Temperature |
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| | Measuring range | -58° to 302 °F / -50 to +150 °C |
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| | Accuracy | ±0.9 °F / ±0.5 °C |
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| | Resolution | 0.1 °F / 0.1 °C |
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| | Probe connection | 2 Temperature NTC measurement channels |
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| Measuring range | -14 to +870 psi / -1 to +60 bar |
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| Resolution | 0.10 psi / 0.01 bar |
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| Probe connection | 3 x 1/4" SAE |
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| Overload rel. (high pressure) | 943 psi / 65 bar |
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| Measuring range | -14 to 0 psi (indication) / -1 to 0 bar |
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| Dimensions | 8 x 4 x 2 in. / 200 x 109 x 63 mm |
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| Operating temperature | -4° to 122 °F / -20 to +50 °C |
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| Battery life | approx. 250h (display light off, Bluetooth off) |
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| Refrigerants in instrument | 60 profiles:; R11; R12; R123; R1234yf; R1234ze; R125; R13B1; R134a; R14; R142B; R152A; R161; R22; R227; R290; R32; R401A; R401B; R401C; R402A; R402B; R404A; R406A; R407A; R407B; R407C; R407D; R407F; R408A; R409A; R410A; Ra11A; R412A; R413A; R414B; R416A; R417A; R420A; R421A; R422A; R422B; R422B; R422C; R422D; R424A; R426A; R427A; R434A; R437A; R438A; R502; R503; R507; R508A; R508B; R600; R600a; R744 (CO2); R718 (H2O); update by Testo Service |
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| Storage temperature | -4° to 140 °F / -20 to +60 °C |
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| Delivery Scope | testo 549, digital manifold; including batteries, certificate of conformity, and user's manual. |
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Product Family
All orders are shipped same-day if the order is received by 1:00 PM Central Time. We ship worldwide.
UPS Hoilday Delivery Schedule
For more infomation about Returns visit Returns
For more informatrion about Warranty visit Warranty page.
You can also find answers to some common questions on our FAQ page
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