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ARW-618 portable Vane Thermo-anemometer designed for measuring the speed and flow rate of air flows on inputs and outputs of air conditioning and HVAC systems, equipped with a separate propeller sensor with a diameter of 70 mm.
The instrument is equipped with a large backlit display with simultaneous display of speed and temperature with indication of minimum and maximum values and a high sensitivity of m/s speed reading (approx. 0.6 sec.).

|
Unit of measure |
Scope |
Resolution |
Theshold |
Accuracy |
|
m/s |
0.0-45.0 |
0.1 |
0.3 |
±3% |
|
Knots |
0.0-88.0 |
0.1 |
0.6 |
±3% |
|
Km/hr |
0.0-140.0 |
0.1 |
1.0 |
±3% |
|
Temp.-°C |
0-60.0 |
0.1 |
±0.8 |
|
|
Temp.-°F |
32.0-140.0 |
0.1 |
±1.5 |
| Technical specifications Thermo-anemometer ARW-618 | |
| Speed sensor mechanism | Vane bearing: “Jewel Sapphire” |
| Temperature sensor | K-type thermocouple |
| Operating temperature | 0°C - 50°C (32 °F - 122 °F) |
| Operating humidity | Less than 80% RH |
| Operating pressure | 500mbar - 2 Bar |
| Storage temperature | 9V |
| Power supply | Approximately 50 hours |
| Average time for speed measurement | m/s 0.6sec. (approx.) knots 1.2sec. (approx.) km/hr 2.2sec. (approx.) |