Thomas No. 1215Y38/1215Y39
Metal Vane withstands temperatures to 158°F (70°C) and air velocity to 6900ft/min
- Datalogger date/time stamps and stores readings on an SD card in Excel® format for easy transfer to a PC
- Adjustable data sampling rate: 1 to 3600 seconds
- Stores 99 readings manually and 20M readings via 2G SD card
- Type K/J Thermocouple input for high temperature measurements
- Large (9999 count) LCD displays Air Velocity and Temperature simultaneously
- 2% velocity accuracy via low friction ball bearing vane wheel on 39" (1m) cable
- Record/Recall MIN, MAX, Data Hold, Auto Power Off
- Built-in PC interface
- Complete with 6 x AA batteries, SD card, metal vane sensor with 3.9ft (120cm) cable, and hard carrying case
Thomas No. 1215Y40/1215Y41
Measures Air Temperature to 122°F (50°C) and air velocity to 4930ft/min
- Stores 99 readings manually and 20M readings via 2G SD card
- Type K/J Thermocouple input for high temperature measurements
- Large (9999 count) LCD displays Air Velocity and Temperature simultaneously
- 2% velocity accuracy via low friction ball bearing vane wheel on 39" (1m) cable
- Record/Recall MIN, MAX, Data Hold and Auto power off
- Adjustable data sampling rate
- Built-in PC interface
- Complete with 6 x AA batteries, SD card, metal vane sensor with 3.9ft (120cm) cable, and hard carrying case
Thomas No. 1215Y42/1215Y43
Air Velocity/Air Flow meter with telescoping probe designed to fit into HVAC ducts and other small openings
- Telescoping probe extends up to 7.05ft (215cm) maximum length with cable
- Adjustable data sampling rate
- Stores 99 readings manually and 20M readings via 2G SD card
- Type K/J Thermocouple input for high temperature measurementss
- Large (9999 count) LCD displays Air Velocity or Air Flow and Temperature simultaneously
- Record/Recall MIN, MAX, Data Hold and Auto power off
- Built-in PC interface
- Complete with 6 x AA batteries, SD card, telescoping probe with cable, and hard carrying case
Thomas No.s. 1215Y38/1215Y39
| Specifications | Range | Resolution | Basic Accuracy |
| Air Velocity |
| m/s | 0.4 to 35m/s | 0.1m/s | ±2%rdg |
| ft/min | 60 to 6900ft/min | 1ft/min | ±2%rdg |
| MPH | 0.7 to 78.2MPH | 0.1MPH | ±2%rdg |
| knots | 0.6 to 68knots | 0.1knots | ±2%rdg |
| km/h | 1.0 to 1265km/h | 0.1km/h | ±2%rdg |
| Temperature | 32 to 158°F (0 to 70°C) | 0.1° | ±1.5ºF/0.8ºC (<60°C) |
| Type K Temperature | -148 to 2372°F (-100 to 1300°C) | 0.1° | ±(0.4% + 1.8°F/1°C) |
| Type J Temperature | -148 to 2192°F (-100 to 1200°C) | 0.1° | ±(0.4% + 1.8°F/1°C) |
| Memory | 20,000K data records using 2G SD card |
| Dimensions | 7.2 x 2.9 x 1.9" (182 x 73 x 47.5mm) |
| Weight | 17.2oz (487g) |
Thomas No.s. 1215Y40/1215Y41
| Specifications | Range | Resolution | Basic Accuracy |
| Air Velocity |
| m/s | 0.4 to 25m/s | 0.01m/s | ±2%rdg |
| ft/min | 80 to 4930ft/min | 1ft/min | ±2%rdg |
| MPH | 0.9 to 55.9MPH | 0.1MPH | ±2%rdg |
| knots | 0.8 to 48.6knots | 0.1knots | ±2%rdg |
| km/h | 1.4 to 90.0km/h | 0.1km/h | ±2%rdg |
| Temperature | 32 to 122°F (0 to 50°C) | 0.1° | ±1.5ºF (±0.8ºC) |
| Type K Temperature | -148 to 2372°F (-100 to 1300°C) | 0.1° | ±(0.4% + 1.8°F/1°C) |
| Type J Temperature | -148 to 2192°F (-100 to 1200°C) | 0.1° | ±(0.4% + 1.8°F/1°C) |
| Memory | 20,000K data records using 2G SD card |
| Dimensions | 7.2 x 2.9 x 1.9" (182 x 73 x 47.5mm) |
| Weight | 16.9oz (480g) |
Thomas No.s. 1215Y42/1215Y43
| Specifications | Range | Resolution | Basic Accuracy |
| Air Velocity |
| m/s | 0.2 to 25m/s | 0.01m/s | ±5%rdg |
| ft/min | 40 to 3940ft/min | 1ft/min | ±5%rdg |
| MPH | 0.5 to 45MPH | 0.01MPH | ±5%rdg |
| knots | 1 to 31knots | 0.01knots | ±5%rdg |
| km/h | 0.7 to 72km/h | 0.01km/h | ±5%rdg |
CFM (feet3/min)
CMM (meter3/min)
| 0 to 1,907,000 CFM
0 to 54,000 CMM | 0.001 to 100 CFM
0.001 to 1 CMM |
| Temperature | 32 to 122°F (0 to 50°C) | 0.1° | ±1.5ºF (±0.8ºC) |
| Type K Temperature | -148 to 2372°F (-100 to 1300°C) | 0.1° | ±(0.4% + 1.8°F/1°C) |
| Type J Temperature | -148 to 2192°F (-100 to 1200°C) | 0.1° | ±(0.4% + 1.8°F/1°C) |
| Memory | 20 Million data records using 2G SD card |
| Dimensions | 7.2 x 2.9 x 1.9" (182 x 73 x 47.5mm) |
| Weight | 23.1oz (655g) |