Testo 350 Flue Gas Analyzer

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Testo 350 Flue Gas Analyzer

EXTECH HD350 Pitot Tube Anemometer Plus Differential Manometer is a precision instrument designed for accurate airflow and differential pressure measurements in HVAC systems, clean rooms, and industrial environments. With its high-resolution pitot tube anemometer, it delivers reliable airflow velocity readings, while the integrated differential manometer provides precise pressure measurements across ducts, filters, and cleanroom environments. The HD350 features user-friendly controls, a large digital display, and robust data logging capabilities, making it ideal for engineers and technicians conducting airflow analysis, system balancing, and environmental monitoring. Lightweight and portable, it ensures easy transport between work sites, while its durable construction withstands demanding field conditions.

Engineered for versatility, this anemometer supports multiple units of measurement and offers real-time readings for both velocity and pressure, helping optimize HVAC performance and maintain strict cleanroom standards. Trusted by professionals for its accuracy and reliability, the EXTECH HD350 is essential for inspections, commissioning, and preventive maintenance tasks.

Optimize your workflow with confidence, knowing you have a dependable instrument that combines airflow measurement and differential pressure monitoring in a single, easy-to-use device.

EXTECH HD350 Pitot Tube Anemometer Plus Differential Manometer Price in Bangladesh makes this advanced technology accessible to local professionals and businesses, ensuring high-quality results for every HVAC and cleanroom application.

Pico Labs Ltd. offers reliable calibration and rental services for electrical test measurement instruments across Bangladesh. Our expert team ensures accuracy, timely delivery, and professional support, helping businesses maintain optimal performance and compliance. Trust Pico Labs Ltd. for precision, reliability, and unmatched customer service in the testing and calibration industry.

Key Features: Testo 350 Flue Gas Analyzer

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 easy mission software (both products available separately)

Specifications: Testo 350 Flue Gas Analyzer

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

±0.4 °C (-100 to +200 °C)

±1 °C (-200 to -100.1 °C)

±1 °C (200.1 to +1370 °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

-40 to +40 hPa

-200 to +200 hPa

Accuracy

±1.5 % of mv (-40 to -3 hPa)

±1.5 % of mv (+3 to +40 hPa)

±0.03 hPa (-2.99 to +2.99 hPa)

±1.5 % of mv (-200 to -50 hPa)

±1.5 % of mv (+50 to +200 hPa)

±0.5 hPa (-49.9 to +49.9 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	±5 % of mv (+200 to +2000 ppm) ±10 % of mv (+2001 to +10000 ppm) ±10 ppm (0 to +199 ppm)
Resolution	1 ppm (0 to +10000 ppm)
Reaction time t₉₀	40 s

H₂ only as an indicator

Flue gas COlow
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
Accuracy	±5 % of mv (+100 to +500 ppm) ±5 ppm (0 to +99.9 ppm)
Resolution	0.1 ppm (0 to +500 ppm)
Reaction time t₉₀	40 s

Flue gas SO₂
Measuring range	0 to +5000 ppm
Accuracy	±5 % of mv (+100 to +2000 ppm) ±10 % of mv (+2001 to +5000 ppm) ±5 ppm (0 to +99 ppm)
Resolution	1 ppm (0 to +5000 ppm)
Reaction time t₉₀	30 s

Flue gas degree of effectivity, Eta (calculated)
Measuring range	0 to +120 %
Resolution	0.1 % (0 to +120 %)

Flue gas loss (calculated)
Measuring range	0 to +99.9 %
Resolution	0.1 % (0 to +99.9 %)

Flue gas dewpoint (calculated)
Measuring range	0 to +99.9 °Ctd
Resolution	0.1 °Ctd (0 to +99.9 °Ctd)

Flue gas CO₂ calculation (calculated from O₂)
Measuring range	0 to CO₂ max
Accuracy	calculated from O₂ ±0.2 Vol.%
Resolution	0.01 Vol.%

Flue gas H₂S
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	35 s

Flue gas CO₂ - NDIR
Measuring range	0 to +50 Vol.%
Accuracy	±0.3 Vol.% + 1 % of mv (0 to 25 Vol.%) ±0.5 Vol.% + 1.5 % of mv (>25 to 50 Vol.%)
Resolution	0.01 Vol.% (0 to 25 Vol.%) 0.1 Vol.% (> 25 Vol.%)
Reaction time t₉₀	10 s

Velocity / Volume flow
Measuring range	0 to +40 m/s
Resolution	0.1 m/s (0 to +40 m/s)

Methane (CH₄)
Measuring range	100 to 40000 ppm
Accuracy	< 400 ppm (100 to 4000 ppm) < 10 % of mv (> 4000 ppm)
Resolution	10 ppm
Min. O₂ requirement in flue gas	2 % + (2 x mV methane)
Reaction time t₉₀	< 40 s
Response factor	1

Lower explosion limit (LEL) must be adhered to.
The HC sensor is adjusted to methane ex-works. It can be adjusted to a different gas (propane or butane) by the user.

Propane (C₃H₈)
Measuring range	100 to 21000 ppm
Accuracy	< 400 ppm (100 to 4000 ppm) < 10 % of mv (> 4000 ppm)
Resolution	10 ppm
Min. O₂ requirement in flue gas	2 % + (5 x mV propane)
Reaction time t₉₀	< 40 s
Response factor	1.5

Lower explosion limit (LEL) must be adhered to.
The HC sensor is adjusted to methane ex-works. It can be adjusted to a different gas (propane or butane) by the user.

Butane (C₄H₁₀)
Measuring range	100 to 18000 ppm
Accuracy	< 400 ppm (100 to 4000 ppm) < 10 % of mv (> 4000 ppm)
Resolution	10 ppm
Min. O₂ requirement in flue gas	2 % + (6.5 x mV butane)
Reaction time t₉₀	< 40 s
Response factor	2

Lower explosion limit (LEL) must be adhered to.
The HC sensor is adjusted to methane ex-works. It can be adjusted to a different gas (propane or butane) by the user.

General technical data
Weight	4800 g
Dimensions	330 x 128 x 438 mm
Operating temperature	-5 to +45 °C
Product-/housing material	ABS
Protection class	IP40
Product colour	Black
Connectable probes	1 x combustion air temperature probe; 1 x flue gas probe; 1 x temperature probe; 1 x differential pressure
Battery type	lithium batteries
Battery life	5 h
Power supply	AC mains unit 100V to 240V (50 to 60 Hz)
DC electric tension input	11V to 40V
Dewpoint calculation	0 °Ctd; 99 °Ctd
Max. dust load	20 g/m³ dust in flue gas
Max. neg. press./flue gas	-300 mbar