Empowering Scientific Discovery

Beijing Philber Environmental Technology Co., Ltd.

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Brandtesto
OriginGermany
Model869
Thermal Resolution160 × 120 pixels
Image Resolution19,200 IR pixels
Spectral Range7.5–14 µm
NETD< 0.12 °C
Temperature Range−20 to +280 °C
Accuracy±2 °C or ±2% of reading
Frame Rate9 Hz @ 160 × 120
Measurement PrincipleNon-contact infrared radiometry
Detector TypeUncooled microbolometer
Operating ModeHandheld, battery-powered
Thermal Sensitivity ModeAuto hot/cold spot tracking
Data Export FormatJPEG
Software Includedtesto IRSoft (PC-based analysis suite)
Power SupplyRechargeable Li-ion battery + AC adapter
InterfaceUSB 2.0
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Brandtesto
OriginGermany
Model320
Instrument TypePortable Flue Gas Analyzer
Measurement Range (O₂)0–21 % vol
Measurement Range (CO)0–500 ppm
Accuracy (O₂)±0.2 % vol
Accuracy (CO)±2 ppm (0–39.9 ppm), ±5 % of reading (40–500 ppm)
Repeatability±5 % of reading (40–500 ppm)
Response Time (t₉₀)< 40 s
Stability±5 % of reading (40–500 ppm)
Operating Temperature–5 to +45 °C
DisplayBacklit graphical LCD
Power SupplyRechargeable Li-ion battery (up to 6 h operation)
ComplianceEN 50379-1, EN 50379-2, EN 50379-3, 1st BImSchV, TÜV-certified
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OriginGermany
Model885
Measurement MethodNon-contact
Detector TypeUncooled Microbolometer
Spectral Range7.5–14 µm
IR Resolution320 × 240 pixels
SuperResolution Output640 × 480 pixels (via software interpolation)
Thermal Sensitivity (NETD)< 30 mK
Temperature Range–50 °C to +650 °C (extendable to +1200 °C with optional high-temp module)
Accuracy±2 °C or ±2% of reading (whichever is greater)
Frame Rate9 Hz / 33 Hz (selectable)
FocusMotorized autofocus, minimum focus distance 10 cm
DisplayArticulating foldable LCD with ergonomic rotating handle
Image FormatJPEG (radiometric) + embedded visible-light image
Video RecordingFull radiometric infrared video (MP4)
Optional ModulesPTA Process Trend Analysis, Panoramic Image Stitching, QR Code Auto-Tagging, Surface Moisture Risk Imaging, Fever Screening Mode, High-Temp Measurement Kit, Voice Annotation via headset
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Brandtesto
Modeltesto 816-1
ComplianceIEC 61672-1 Class 2, ANSI S1.4 Type 2, JJG 188, GB/T 3785.2–2010
Measurement Range30–130 dB
Frequency Range20 Hz–8 kHz
Accuracy±1.4 dB (at 94 dB, 1 kHz)
Resolution0.1 dB
Time WeightingFAST (125 ms), SLOW (1 s)
Frequency WeightingA, C
Dynamic Range100 dB
Microphone0.5-inch electret condenser
DisplayBacklit HD LCD with bar graph, time stamp, and data logging indicators
Data Storage99 manual entries, 31,000 continuous records, up to 99,999 via PC software
Power4 × AA batteries
Operating Temperature0–+40 °C
Storage Temperature−10–+60 °C
Dimensions272 × 83 × 42 mm
Weight390 g
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Brandtesto
OriginGermany
Modeltesto 310
Instrument TypePortable Flue Gas Analyzer
Measured GasesO₂, CO, CO₂
O₂ Range0–21 Vol.%
Accuracy (O₂)±0.2 Vol.% (within 0–10 Vol.%), ±0.5 Vol.% (within 10–21 Vol.%)
CO Range0–4000 ppm
CO Accuracy±5 ppm (0–100 ppm), ±5% of reading (>100 ppm)
Response Time (t₉₀)≤30 s
Zero Stability<±0.1 Vol.% O₂/8 h
Drift (O₂)<±0.1 Vol.% over 24 h
Operating Temperature0–50 °C
DisplayBacklit LCD
Data InterfaceInfrared (IrDA)
Power SupplyRechargeable Li-ion battery (up to 10 h operation)
ComplianceEN 50379-1, EN 50379-2, CE marked for use in explosion group II 2G (non-certified for Zone 0/1)
Accessories Included180 mm fixed-cone flue gas probe, silicone pressure hose, 10 dust filters, condensate trap, carrying case, calibration certificate for O₂, CO, hPa, and °C
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Brandtesto
Modeltesto 545
Measurement Range0.01 to 200,000 lx (typical)
Spectral ResponseV(λ)-corrected per CIE 1931 standard
Accuracy±3% ±1 digit (at 25°C, 500 lx, tungsten reference)
Operating Temperature0 to +50°C
Battery3 × AA (included)
ConnectivityBluetooth 4.2 LE
App Compatibilitytesto Smart App (iOS/Android)
ComplianceEN 13032-1, DIN 5032-7, ISO/CIE 19476
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BrandTesto
OriginGermany
Model330-2
Instrument TypePortable Flue Gas Analyzer
O₂ Measurement Range0–21 vol.%
O₂ Accuracy±0.2 vol.%
CO Measurement (H₂-compensated)0–8,000 ppm
CO Accuracy±10 ppm or ±10% of reading (0–200 ppm), ±20 ppm or ±5% (201–2,000 ppm), ±10% (2,001–8,000 ppm)
NOlow Range0–300 ppm
NOlow Accuracy±2 ppm (0–39.9 ppm), ±5% of reading (40–300 ppm)
Response Time (t₉₀)<60 s for CO, <40 s for O₂/CO₂, <30 s for NO/NOlow
Pressure Measurement Range0–300 hPa
Vacuum/Overpressure Range−9.99 to +40 hPa
Data Storage Capacity500,000 readings
DisplayColor graphic LCD (240 × 320 pixels)
Weight600 g (without battery)
Dimensions270 × 90 × 65 mm
Operating Temperature−5 °C to +45 °C
Flue Gas Temperature Range−20 °C to +50 °C
BatteryRechargeable Li-ion, 3.7 V / 2.6 Ah
Power Supply6 V / 1.2 A adapter
ComplianceEN 50379-2, 1st BImSchV, TÜV-certified for O₂, °C, hPa and H₂-compensated CO measurement
Warranty3 years on O₂/CO/CO-H₂ sensors
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BrandTesto
OriginGermany
Model310
Instrument TypePortable Flue Gas Analyzer
Measurement Range (O₂, CO, CO₂)0–21 Vol.%
Repeatability±0.1 Vol.% O₂ (typical)
Response Time (t₉₀)≤30 s
Zero Stability<0.05 Vol.% O₂ drift over 8 h
Measured GasesO₂, CO, CO₂
Pressure Measurement Range±100 hPa
Temperature Range0–100 °C
DisplayBacklit LCD
Data InterfaceInfrared (IrDA)
Power SupplyRechargeable Li-ion battery
Probe Length (standard)180 mm
Optional Extended Probe254 mm (Order No. 0563 3120)
ComplianceCE, RoHS, EN 50191, EN 61010-1
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Brandtesto
OriginGermany
Model350
Instrument TypePortable Flue Gas Analyzer
Accuracy (Gas Sensors)±5% of reading (typical, per ISO 12039 & EN 15267-3)
Response Time (t₉₅)20 s
Detection Gases (Configurable)O₂, CO, NO, NO₂, SO₂, H₂S, CₓHᵧ, CO₂ (NDIR)
Operating Temperature−5 °C to +45 °C
Storage Temperature−20 °C to +50 °C
Weight440 g
Dimensions88 × 38 × 220 mm
Data Memory2 MB (up to 250,000 measurement values)
Battery LifeUp to 5 h (without wireless transmission)
Protection ClassIP40
Temperature Probe CompatibilityK-type (−200 °C to +1370 °C), S-type (0 °C to +1760 °C), ambient probe (−20 °C to +50 °C)
Flow Velocity Range0–40 m/s
Dew Point Calculation Range0–99.9 °Ctd
O₂ Measurement (Electrochemical)0–25 Vol.% (±0.2 Vol.% accuracy)
CO Measurement (Electrochemical, H₂-compensated)0–10,000 ppm (±5% rdg or ±10 ppm, whichever greater)
CO₂ Measurement (NDIR)0–50 Vol.% (±0.3 Vol.% at 0–25 Vol.%, ±0.5 Vol.% at >25 Vol.%)
Optional ModulesPeltier gas conditioning unit, automatic condensate removal pump, fresh air valve (5× range extension), single-channel range extender (0×/2×/5×/10×/20×/40×), 11–40 V DC input, integrated flow sensor with auto-zero pressure compensation
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BrandTesto
OriginGermany
Model330-1LL
Instrument TypePortable Flue Gas Analyzer
Measurement Accuracy (O₂/CO)±0.2 vol.%
Repeatability±0.2 vol.%
Stability±0.2 vol.%
Response Range (O₂)0–21 vol.%
Measured GasesO₂, CO (H₂-compensated), CO₂, NO
DisplayHigh-Resolution Color Graphic LCD
Battery LifeUp to 6 hours (removable Li-ion)
Sensor LifetimeUp to 6 years (O₂ and CO sensors)
Data LoggingContinuous curve recording with time-stamped measurement data
Probe InterfaceModular probe system with secure locking mechanism
ComplianceDesigned for EN 50379-1, EN 50379-2, and applicable EU emission monitoring directives
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Brandtesto
OriginGermany
Model865
Detector TypeScanning Focal Plane Array
Spectral Range7.5–14 µm
IR Resolution160 × 120 pixels
Enhanced Resolution (via IR SuperResolution)320 × 240 pixels
Thermal Sensitivity (NETD)< 0.12 °C
Temperature Range–20 to +280 °C
Accuracy±2 °C or ±2% of reading
Measurement MethodNon-contact infrared radiometry
Frame Rate9 Hz @ 160 × 120
Operating ModeUncooled microbolometer
Wavelength BandMid-wave infrared (MWIR)
Total Measurement Points19,200 per frame
Image Export FormatJPEG
Software Includedtesto IRSoft
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Brandtesto
OriginGermany
Model340
Instrument TypePortable Flue Gas Analyzer
Measurement Accuracy±5% (gas sensors), ±0.5 hPa (differential pressure, -49.9 to +49.9 hPa)
Repeatability≤2%
Response Time<20 s (O₂), <30–40 s (CO, NO, NO₂, SO₂, COlow, NOlow)
Stability≤5%
Measured GasesCO, COlow, NO, NOlow, NO₂, SO₂, O₂, differential pressure, flue gas temperature, ambient temperature, draft, efficiency, flue gas loss, dew point, CO₂ (calculated)
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Brandtesto
Modeltesto 405i
TypeHot-wire anemometer
Measurement PrincipleConstant-temperature anemometry (CTA)
Air Velocity Range0–30 m/s
Temperature Range (NTC)−20 to +60 °C
Accuracy (Velocity)±(0.1 m/s + 5% of reading) @ 0–2 m/s
Resolution (Velocity)0.01 m/s
Resolution (Temperature)0.1 °C
Operating Temperature−20 to +50 °C
Storage Temperature−20 to +60 °C
Weight119.6 g
Dimensions (L×W×H)200 × 30 × 41 mm
Probe Sleeve Length400 mm
Probe Head Diameter9 mm
Probe Shaft Diameter12 mm
Battery3 × AAA, 15 h typical runtime
BluetoothBluetooth 4.2
Mobile OSiOS 13.0+, Android 8.0+
Enclosure MaterialHigh-strength engineering plastic
ColorBlack/orange
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BrandTesto
OriginGermany
Modeltesto 320
Instrument TypePortable Flue Gas Analyzer
Measurement Accuracy±2 ppm (0–39.9 ppm CO)
Repeatability±5% of reading (40–500 ppm CO)
Response Time< 40 s
Stability±5% of reading (40–500 ppm CO)
Measured GasesO₂, CO
ComplianceEN 50379-1 to -3, 1st BImSchV, TÜV-certified
Included SensorsIntegrated O₂ sensor, built-in CO sensor, combustion air temperature sensor, thermocouple input in probe connector
Optional AccessoriesMulti-hole probe, flexible flue gas probe, differential pressure probe
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BrandTesto
OriginGermany
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
Modeltesto 865
PriceUpon Request
Spectral ResponseMid-Wave Infrared (MWIR)
Detector TypeScanning Focal Plane Array (FPA)
ApplicationTemperature Measurement
Measurement MethodNon-Contact
Detector CoolingUncooled
Frame Rate9 Hz @ 160 × 120
Accuracy±2 °C or ±2% of reading (whichever is greater)
Temperature Range−20 °C to +280 °C
Infrared Resolution160 × 120 pixels
Spectral Band7.5–14 µm
Thermal Sensitivity (NETD)< 0.12 °C
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Brandtesto
OriginGermany
Modeltesto 300
Instrument TypePortable Flue Gas Analyzer
Measurement Accuracy≤ ±5% FS
Repeatability≤ ±5% FS
Response Time≤ 90 s
Drift Stability≤ 5% reading over 1 h
Measured GasesO₂, CO
O₂ Range0–21 vol.%
CO Range0–4,000 ppm
CertifiedTÜV-tested per EN 50379-1 & EN 50379-2
DisplayIntegrated capacitive touch screen
ConnectivityBluetooth® v4.2, IRDA
Data OutputPDF report generation, email export via companion app
Power SupplyRechargeable Li-ion battery (included), USB power adapter (included)
Operating Temperature0–+50 °C
IP RatingIP20
Probe CompatibilityInterchangeable modular flue gas probes (e.g., compact probe Ø6 mm, L=180 mm, Tmax=+500 °C)
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BrandTesto
OriginGermany
Modeltesto 340
Instrument TypePortable Flue Gas Analyzer
Measurement Accuracy±5% (gas readings)
Repeatability≤2%
Response Time<20 s (O₂), <30–40 s (CO, NO, NO₂, SO₂, COlow, NOlow)
Stability≤5% over 2 h
Measurable GasesCO, COlow, NO, NOlow, NO₂, SO₂, O₂, differential pressure, absolute pressure, flue gas temperature, combustion efficiency, flue gas loss, dew point, CO₂ (calculated)
Differential Pressure Range−200 to +200 hPa
O₂ Range0–25 vol.%
CO Range0–10,000 ppm
COlow Range0–500 ppm
NO Range0–4,000 ppm
NOlow Range0–300 ppm
NO₂ Range0–500 ppm
SO₂ Range0–5,000 ppm
Temperature Range−40 to +1200 °C
Operating Temperature−5 to +50 °C
Battery Life>6 h (pump on, backlight off, 20 °C)
Weight960 g
Dimensions283 × 103 × 65 mm
EnclosureTPE/PC, IP40
DisplayGraphic LCD, 160 × 240 pixels
PowerRechargeable Li-ion battery (3.7 V / 2.4 Ah) + external adapter (6.3 V / 2 A)
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Brandtesto
Model830-T1
TypePortable Infrared Thermometer
Measuring Range-30 to +400 °C
Accuracy±2 °C or ±2 % of reading (-30 to 0 °C), ±1.5 °C or ±1.5 % of reading (0.1 to +400 °C)
Optical Resolution10:1
Response Time0.5 s
Temperature Resolution0.1 °C
Measurement Frequency2 Hz
Emissivity Adjustment0.10–1.00 (adjustable in 0.01 steps)
DisplayBacklit LCD
Operating Temperature-20 to +50 °C
Storage Temperature-40 to +70 °C
Weight200 g
Dimensions190 × 75 × 38 mm
Power Supply9 V alkaline battery
Battery LifeUp to 15 hours
Housing MaterialABS
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Brandtesto
OriginShenzhen, China
Modeltesto 350
Instrument TypePortable Flue Gas Analyzer
Measurement PrincipleElectrochemical (O₂, CO, NO, NO₂, SO₂, H₂S), NDIR (CO₂, CxHy), Catalytic Combustion (CxHy)
Response Time (t95)20 s (O₂), <30 s (SO₂), <40 s (CO), <10 s (CO₂ via NDIR)
Accuracy±5% of reading (typical for electrochemical sensors), ±4 ppm (SO₂, low range), ±0.3 Vol.% + 1% (CO₂, NDIR)
Detection ParametersO₂, CO, NO, NO₂, SO₂, SO₂low, H₂S, CO₂ (calculated & NDIR), CxHy (CH₄, C₃H₈, C₄H₁₀), differential pressure, ambient & flue gas temperature, velocity, dew point, efficiency, heat loss
Sensor Interference CompensationCO-compensated SO₂ and SO₂low sensors (up to 10,000 ppm CO), H₂-compensated CO and COlow
PreconditioningIntegrated high-efficiency gas conditioning module with condensate separation, multi-stage particulate filtration, automatic dilution for high-concentration sampling
Connectivitytesto DataBus interface (supports up to 16 analyzers in cascade), USB, Bluetooth, Wi-Fi, LIMS-compatible data export
Operating Temperature−5 °C to +45 °C
Battery LifeUp to 5 h (rechargeable Li-ion)
Dimensions330 × 128 × 438 mm
Weight4800 g
IP RatingIP40
Max. Dust Load20 g/m³
Max. Flue Gas Pressure−300 mbar (vacuum) / +50 mbar (overpressure)
Max. Flue Gas Temp (via probe)1800 °C (Type S)
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BrandTesto
OriginGermany
Modeltesto 885
Measurement MethodNon-contact
Detector TypeUncooled Microbolometer
Spectral Range7.5–14 µm
IR Resolution320 × 240 pixels (76,800 measurement points)
SuperResolution Output640 × 480 pixels
Thermal Sensitivity (NETD)< 30 mK
Temperature Range–50 °C to +650 °C (extendable to +1200 °C with optional high-temp module)
Accuracy±2 °C or ±2% of reading
Frame Rate9 Hz / 33 Hz
Operating TemperatureAmbient, uncooled operation
Image FormatJPEG with embedded radiometric data
FocusMotorized autofocus, minimum focus distance 10 cm
DisplayRotatable fold-out LCD with ergonomic rotating handle
Optional ModulesPTA Process Trend Analysis, Full IR Video Recording, Panorama Image Stitching, QR Code-based Asset Tagging, Surface Moisture Risk Imaging, Fever Screening Mode, Interchangeable Lenses, Voice Annotation via Headset, Integrated Visible-light Camera with LED Illumination
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Brandtesto
OriginGermany
Model890
Frame Rate33 Hz
Temperature Accuracy±2 °C or ±2% of reading
Temperature Range−30 to +100 °C
Infrared Resolution640 × 480 pixels
Spectral Range7.5–14 µm
Thermal Sensitivity (NETD)< 40 mK at 30 °C
Detector TypeUncooled microbolometer
Operating PrinciplePassive infrared radiometry based on Planck’s law
Image EnhancementSuperResolution upscaling to 1280 × 960 pixels
FocusMotorized autofocus, minimum focus distance 10 cm
DisplayRotating, foldable LCD touchscreen
Data StorageJPEG + embedded radiometric data, SD card (2 GB included)
Optional ModulesPTA Process Trend Analysis, IR Video Recording, Panorama Stitching, QR Code Auto-Tagging, High-Temp Extension (up to 1200 °C), Surface Moisture Risk Assessment, Fever Screening Mode
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Brandtesto
Modeltesto 545
Sensor TypeSilicon Photodiode
Measurement Range0–100,000 lx
Accuracy±3% of reading ±1 digit (Class C per DIN 5032-7 / EN 13032-1 Annex B)
Resolution0.1 lx (<10,000 lx), 1 lx (≥10,000 lx)
Operating Temperature−10 to +50 °C (probe: 0 to +50 °C)
IP RatingIP40 (instrument), IP20 (probe)
Battery Life~70 h (3 × AA)
Weight288 g
Probe Dimensions134 × 54 × 23 mm
Main Unit Dimensions149 × 60 × 28 mm
Cable Length1.4 m
ComplianceV(λ)-corrected photopic response per CIE 1931 standard, optimized for white and warm-white LEDs (CCT < 5000 K), excluding monochromatic blue LEDs
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BrandTesto
OriginGermany
Modeltesto 350
Instrument TypePortable Flue Gas Analyzer
Measurement PrincipleElectrochemical (O₂, CO, NO, NO₂, SO₂, H₂S), NDIR (CO₂), Catalytic Combustion (CxHy)
Accuracy±5% of reading (for most gases, with low-range exceptions)
Response Time (t₉₅)20 s
Detection Gases (Configurable)O₂, CO, COlow, NO, NOlow, NO₂, SO₂, H₂S, CO₂ (NDIR), CxHy (CH₄/C₃H₈/C₄H₁₀)
Operating Temperature−5 to +45 °C
Storage Temperature−20 to +50 °C
Dimensions88 × 38 × 220 mm
Weight440 g
Battery LifeUp to 5 h (without wireless)
Memory Capacity2 MB (~250,000 measurement values)
Protection ClassIP40
Data ConnectivityBluetooth® 4.0, USB, optional WLAN module
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Brandtesto
Model416
TypeVane Anemometer
Measurement Range0.6–40 m/s
Resolution0.1 m/s
Accuracy±(0.2 m/s + 1.5 % of reading)
Operating Temperature−20 to +50 °C
Storage Temperature−40 to +70 °C
Weight325 g
Dimensions (L×W×H)182 × 64 × 40 mm
Probe Diameter16 mm
Telescopic Handle Max Length890 mm
Power Supply9 V battery
Battery Lifeup to 80 h
Housing MaterialABS
DisplayBacklit LCD
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