Product Introduction:In your daily work, which smoke sensors or measurement tasks are essential for you? The testo 340 comes standard with an O2 sensor and allows for the selection of three toxic gas sensors (such as CO, COlow, NO, NOlow, NO2, or SO2), providing flexible sensor combinations for different measurement requirements in various applications. The compact design of this portable smoke analyzer and its specialized...
| Absolute Pressure | |
|---|---|
Measurement Range | +600 ~ +1150 hPa |
Measurement Accuracy | ±10 hPa |
Resolution | 1 hPa |
| Oxygen measurement | |
|---|---|
Measurement Range | 0 ~ 25 Vol.% |
Measurement Accuracy | ±0.2 Vol.% |
Resolution | 0.01 Vol.% |
Response Time t₉₀ | < 20 s |
| CO (Hydrogen Compensation) | |
|---|---|
Measurement Range | 0 ~ 10000 ppm |
Measurement Accuracy | ±10 ppm or ±10% measurement value (0 ~ 200 ppm) ±20 ppm or ±5% reading (201 ~ 2000 ppm) ±10% measurement value (2001 ~ 10,000 ppm) |
Resolution | 1 ppm |
Response Time t₉₀ | < 40 s |
| CO Low (H₂ Compensation) | |
|---|---|
Measurement Range | 0 ~ 500 ppm |
Measurement Accuracy | ±2 ppm (0 ~ 39.9 ppm) ±5% measurement value (remaining range) data is from an ambient temperature of 20°C. Additional temperature coefficient of 0.25% measurement value/K |
Resolution | 0.1 ppm |
Response Time t₉₀ | < 40 s |
| No measurement | |
|---|---|
Measurement Range | 0 ~ 4000 ppm |
Measurement Accuracy | ±5 ppm (0 ~ 99 ppm) ±5% measurement value (100 ~ 1999 ppm) ±10% measurement value (2000 ~ 4000 ppm) |
Resolution | 1 ppm |
Response Time t₉₀ | < 30 s |
| NO Low Measurement | |
|---|---|
Measurement Range | 0 ~ 300 ppm |
Measurement Accuracy | ±2 ppm (0 ~ 39.9 ppm) ±5% measurement value (remaining range) |
Resolution | 0.1 ppm |
Response Time t₉₀ | < 30 s |
| NO₂ measurement | |
|---|---|
Measurement Range | 0 ~ 500 ppm |
Measurement Accuracy | ±10 ppm (0 ~ 199 ppm) ±5% Measurement (remaining range) |
Resolution | 0.1 ppm |
Response Time t₉₀ | < 40 s |
To prevent adhesion, the measurement duration should not exceed 2 hours.
| SO₂ measurement | |
|---|---|
Measurement Range | 0 ~ 5000 ppm |
Measurement Accuracy | ±10 ppm (0 ~ 99 ppm) ±10% measurement value (remaining range) |
Resolution | 1 ppm |
Response Time t₉₀ | < 40 s |
To prevent adhesion, the measurement duration should not exceed 2 hours.
| Tug Force Measurement | |
|---|---|
Measurement Range | -40 ~ +40 hPa |
Measurement Accuracy | ±0.03 hPa (-2.99 ~ +2.99 hPa) ±1.5% measurement value (remaining range) |
Resolution | 0.01 hPa |
| Temperature | |
|---|---|
Measurement Range | -40 ~ +1200 °C |
Measurement Accuracy | ±0.5 °C (0 ~ +99 °C) ±0.5% measurement value (remaining range) |
Resolution | 0.1 °C |
| Effectiveness Assessment | |
|---|---|
Measurement Range | 0 ~ 120 % |
Resolution | 0.1 % |
| Smoke loss | |
|---|---|
Measurement Range | 0 ~ 99.9 % |
Resolution | 0.1 % |
| Smoke Dew Point Calculation | |
|---|---|
Measurement Range | 0 ~ 99.9 °Ctd |
Resolution | 0.1 °Ctd |
| CO2 Measurement (calculated via O2) | |
|---|---|
Measurement Range | 0 ~ CO₂ max |
Measurement Accuracy | ±0.2 Vol.% |
Resolution | 0.1 Vol.% |
Response Time t₉₀ | < 40 s |
| Technical Specifications | |
|---|---|
Weight | 960 g |
Diameter | 283 x 103 x 65 mm |
Operating Temperature | -5 ~ +50 °C |
Shell | TPE PC |
Protection Class | IP40 |
Product colour | Black |
Connectable probe | 1 x flue gas probe; 1 x temperature probe; 1 x differential pressure |
Battery lifespan | > 6h (Pumpe an, Displaybeleuchtung aus, bei 20°C) |
Display Type | graphic Display |
Screen size | 160 x 240 pixels |
Display Features | Graphical Display |
Power Supply | Rechargeable battery pack 3.7 V / 2.4 Ah; Power supply 6.3 V / 2 A |
| Pressure Differential | |
|---|---|
Measurement Range | -200 ~ 200 hPa |
Measurement Accuracy | ±0.5 hPa (-49.9 ~ 49.9 hPa) ±1.5% measurement (remaining range) |
Resolution | 0.1 hPa |
