testo 549, digital manifold; including batteries, certificate of conformity, and user's manual.
Technical Data
Temperature |
Measuring range | -58° to 302 °F / -50 to +150 °C |
Accuracy | ±0.9 °F / ±0.5 °C |
Resolution | 0.1 °F / 0.1 °C |
Probe connection | 2 Temperature NTC measurement channels |
Pressure measurement |
Measuring range | -15 to +870 psi / -1 to +60 bar |
Accuracy | ±0.5 % Fs |
Resolution | 0.14 psi / 0.01 bar |
Probe connection | 3 x 1/4" SAE |
Overload rel. (high pressure) | 943 psi / 65 bar |
Vacuum |
Measuring range | -15 to 0 psi (indication) / -1 to 0 bar |
General technical data |
Weight | 37.39 oz. / 1060 g |
Dimensions | 7.87 x 4.29 x 2.48 in. / 200 x 109 x 63 mm |
Operating temperature | -4° to 122 °F / -20 to +50 °C |
Protection class | IP42 |
Product colour | Black |
Battery life | approx. 250h (display light off, Bluetooth off) |
Refrigerants in instrument | R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂) |
Refrigerants update by Testo Service | R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; Ra11A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22 |
Storage temperature | -4° to 140 °F / -20 to +60 °C |








1. who are we?
We are based in Zhejiang, China, start from 2013,sell to Southeast Asia(40.00%),Domestic Market(35.00%),Africa(15.00%),Mid East(10.00%). There are total about null people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Differential pressure gauge,Red oil differential pressure gauge,Pressure differential pressure transmitter,Level controller,Float switch
4. why should you buy from us not from other suppliers?
We have excellent and experienced foreign trade team and other teams to provide you with the best and professional services. Our products are sold all over the world as best-selling products and high reputation products. We aim to maintain a high standard
5. what services can we provide?
Accepted Delivery Terms: FOB, EXW, CIP, FCA, CPT;
Accepted Payment Currency: USD, EUR, CNY;
Accepted Payment Type: T/T, L/C, D/P, D/A, Credit Card, PayPal, Western Union;
Language Spoken: English, Chinese.