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TES - Pitot Tube Anemometer & Differential Pressure Manometer (TES-3142)
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TES - Pitot Tube Anemometer & Differential Pressure Manometer
Brand: TES
Model: TES-3142/TES3142U
Product Features:
Specifications:
Working Princple:
Pros
Cons
Brand: TES
Model: TES-3142/TES3142U
Product Features:
- Air flow volume
- Differential pressure, Stagnation pressure and Static pressure measurement
- Instant/ Avg/ 2/ 3/ V max flow measurement
- Velocity m/s, f t/min
- Temperature, Humidity & Atmospheric measurement
- Calculate Dew point temperature, Wet bulb temperature, Wind chill temperature, Humidex temperature and Heat index temperature.
- Data hold & maximum / minimum / Average function
- Manual data memory and read function: 99 sets
- Auto data memory: microSD card (3142U)
- USB interface (3142U)
Specifications:
| Display | Triple display, 4 digit LCD reading |
| Differential Pressure |
Range : -0.8 to 0.8 Psi Resolution: 0.0001 Psi Accuracy: ±1% of reading ±0.0004 Psi |
| Velocity from Pitot Tube |
Range: 1 to 80 m/s Resolution: 0.001 m/s Accuracy: ±2% at 10 m/s |
| Volumetric Flow Rate | Range: Actual range is a function of actual velocity, pressure, duct size |
| Temperature |
Range: -35 to 80°C Resolution: 0.1°C (0.1°F) Accuracy: ±0.3°C (at 5 to 65°C) ±0.4°C (at -35 to 5°C and 65 to 80°C) ±0.3°F (at 41°F to 149°F) ±0.8°F (at -31°F to 41°F and +149°F to +176°F) |
| Relative Humidity |
Range: 10 to 85% RH Resolution: 0.1% RH Accuracy: ±3% RH (at 20 to 80% RH) ±4% RH (at 10 to 20% RH and 80% to 85% RH) |
| Warm Up Time | < 1 minute |
| Response Time |
Velocity: < 2 seconds Humidity: 63% < 10s (from 33 to 75% RH) Temperature: 63% < 10s (from 15°C to 45°C) |
| Operating Conditions | 0°C ~ 50°C (32°F ~ 122°F), ≤ 80% RH |
| Power Source | 4 pcs 1.5V size AA battery |
| Battery Life | Approx. 70 hours |
| Size & Weight | 169 (L) x 78 (W) x 40 (H)mm / Approx. 295g (including batteries) |
| Accessories | Instruction manual, Battery, Carrying case, Pitot tube, Hoses (1 black and 1 yellow), USB cable (3142U), CD software (3142U) |
Working Princple:
Pitot Tube anemometers
Pitot tube anemometers measure air flow in high pressure condition and use this to calculate air velocity. A Pitot tube is used for measuring the total pressure of the incoming air and a static tube is used to measure the static pressure in the air flow. The meter then calculates the air velocity using the Bernoulli equation.Pros
- Can handle very high air velocity and temperature
- Pitot tubes can be quite small and are easy to insert into duct work.
- No moving parts
- Quick response
Cons
- Not suited to very low air velocity
- Not well suited to fluctuating flow
- Must be pointed at direction of air flow