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Testo 350 Control Unit for Exhaust Gas Analysis Systems
Introduction of Testo 350
The testo 350 is a robust and user-friendly exhaust gas analyzer engineered to fulfill the stringent requirements of precise industrial emission measurements and efficient data management. The Analysis Box supports up to six gas sensors, with five being optional, allowing you to choose from sensors for CO, NO, NO2, SO2, H2S, CxHy, and CO2.
The testo 350 flue gas analyzer is perfect for professional flue gas analysis and industrial emissions measurement on industrial engines, burners, gas turbines, and thermal processes. It performs a wide range of measuring and analysis tasks, boasts long-term durability with its rugged industrial design, and is well-suited for complex data acquisition.
Testo 350 Key Features
- Increased measurement range for unlimited measurements even when gas concentrations are higher
- Easy-to-change gas sensors and easy access to wearing parts
- Sealed housing with built-in impact protection for use in harsh conditions
- Easy operation of the analyzer unit via Control Unit or easyEmission software (both products available separately)
Testo 350 Specifications
Parameter | Specification |
Temperature - NTC | |
Measuring Range | -20 to +50 °C |
Accuracy | ±0.2 °C (-10 to +50 °C) |
Resolution | 0.1 °C (-20 to +50 °C) |
Ambient Temperature Probe | |
Temperature - TC Type K (NiCr-Ni) | |
Measuring Range | -200 to +1370 °C |
Accuracy | ±1 °C (-200 to -100.1 °C) |
±1 °C (200.1 to +1370 °C) | |
±0.4 °C (-100 to +200 °C) | |
Resolution | 0.1 °C (-200 to +1370 °C) |
Temperature - TC Type S (Pt10Rh-Pt) | |
Measuring Range | 0 to +1760 °C |
Accuracy | ±1 °C (0 to +1760 °C) |
Resolution | 0.1 °C (0 to +1760 °C) |
Differential Pressure - Piezoresistive | |
Measuring Range | -200 to +200 hPa |
-40 to +40 hPa | |
Accuracy | ±1.5 % of mv (+3 to +40 hPa) |
±0.5 hPa (-49.9 to +49.9 hPa) | |
±1.5 % of mv (-200 to -50 hPa) | |
±0.03 hPa (-2.99 to +2.99 hPa) | |
±1.5 % of mv (-40 to -3 hPa) | |
±1.5 % of mv (+50 to +200 hPa) | |
Resolution | 0.01 hPa (-40 to +40 hPa) |
0.1 hPa (-200 to +200 hPa) | |
Absolute Pressure | |
Measuring Range | 600 to +1150 hPa |
Accuracy | ±10 hPa |
Resolution | 1 hPa |
Flue Gas O₂ | |
Measuring Range | 0 to +25 Vol.% |
Accuracy | ±0.8% of fsv (0 to +25 Vol.%) |
Resolution | 0.01 Vol.% (0 to +25 Vol.%) |
Reaction Time t₉₀ | 20 s (t₉₅) |
Flue Gas CO (with H₂-compensation) | |
Measuring Range | 0 to +10000 ppm |
Accuracy | ±10 ppm (0 to +199 ppm) |
±5 % of mv (+200 to +2000 ppm) | |
±10 % of mv (+2001 to +10000 ppm) | |
Resolution | 1 ppm (0 to +10000 ppm) |
Reaction Time t₉₀ | 40 s |
H₂ Only as an Indicator | |
Flue Gas COlow (with H₂-compensation) | |
Measuring Range | 0 to 500 ppm |
Accuracy | ±5 % of mv (+40 to +500 ppm) |
±2 ppm (0 to +39.9 ppm) | |
Resolution | 0.1 ppm (0 to +500 ppm) |
Reaction Time t₉₀ | 40 s |
H₂ Only as an Indicator | |
Flue Gas NO | |
Measuring Range | 0 to +4000 ppm |
Accuracy | ±5 % of mv (+100 to +1999 ppm) |
±10 % of mv (+2000 to +4000 ppm) | |
±5 ppm (0 to +99 ppm) | |
Resolution | 1 ppm (0 to +4000 ppm) |
Reaction Time t₉₀ | 30 s |
Flue Gas Nolow | |
Measuring Range | 0 to +300 ppm |
Accuracy | ±5 % of mv (+40 to +300 ppm) |
±2 ppm (0 to +39.9 ppm) | |
Resolution | ±0.1 ppm (0 to +300 ppm) |
Reaction Time t₉₀ | 30 s |
Flue Gas NO₂ | |
Measuring Range | 0 to +500 ppm |
Weight | 4800 g |
Dimensions | 330 x 128 x 438 mm |
Operating Temperature | -5 to +45 °C |
Product-/Housing Material | ABS |
Protection Class | IP40 |
Connectable Probes | 1 x combustion air temperature probe; 1 x flue gas probe; 1 x temperature probe; 1 x differential pressure |
Product Colour | Black |
Battery Life | 5 h |
Battery Type | Lithium batteries |
DC Electric Tension Input | 11V to 40V |
Power Supply | AC mains unit 100V to 240V (50 to 60 Hz) |
Dewpoint Calculation | 0 °Ctd; 99 °Ctd |
Hose Length | 16.2 m (corresponds to 5 probe hose extensions) |
Max. Dust Load | 20 g/m³ dust in flue gas |
Max. Humidity Load | 70 °C dewpoint temperature |
Max. Negative Pressure/Flue Gas | -300 mbar |
Max. Positive Pressure/Flue Gas | 50 mbar |
Pump Flow | 1 l/min with through-flow monitoring |
Trigger Input | Voltage 5 to 12 Volt (rising or trailing edge) pulse width > 1 sec load: 5 V/max, 5 mA, 12 V/max. 40 mA |
Maximum Memory | 250,000 readings |
Interface | Data bus; Bluetooth®; USB; IR/IRDA interface; Mains connection; trigger input; Differential Pressure; probe input/inputs; DC-voltage input; dilution gas inlet for measurement range extension |
Storage Temperature | -20 to +50 °C |