BJBY
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| Brand | BJBY |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Reagents |
| Model | Drinking Water Quality Testing Reagent Kit |
| Pricing | Available Upon Request |
| Brand | BJBY |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | BarracudaX |
| Instrument Type | Laboratory Spectrometer |
| Measurement Medium | X-ray Generators and Radiotherapy Equipment |
| Certification | PTB Certified, CE 413 (MDD Directive), Class IIa Medical Device |
| Sampling Rate | 470 kHz |
| Key | Value |
| Key | Value |
| Brand | BJBY |
|---|---|
| Model | BY-2003HT |
| Type | Thermohygrometer |
| RH Range | 0–100% RH |
| RH Accuracy | ±2% RH (0–90% RH, 20°C), ±3% RH (90–100% RH, 20°C) |
| RH Resolution | 0.1% RH |
| Temperature Range | −40 to +60°C |
| Temp Accuracy | ±0.3°C (at 20°C) |
| Temp Resolution | 0.1°C |
| Display | Segment LCD with backlight |
| Power | 9 V alkaline battery |
| Battery Life | ~80 h |
| Housing Material | ABS plastic |
| Calibration | User-adjustable two-point calibration |
| Low-battery indicator | Yes |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-2007Z |
| Type | Portable |
| Measurement Range | 0.0–200,000 lx (4 auto-ranging scales) |
| Accuracy | ±3% RD, ±0.5% FS |
| Repeatability | ±2% |
| Temperature Coefficient | ±0.1%/°C |
| Display | 3.5-digit LCD, digit height 15 mm |
| Sampling Rate | 2.0 readings/sec |
| Photodetector | Silicon photodiode with calibrated spectral filter |
| Dimensions | 150 × 70 × 39 mm |
| Calibration Reference | Standard planar lamp at 2856 K (CIE Illuminant A) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | BY-2012ATP |
| Detection Range | 0–9999 RLU |
| Detection Limit | 5×10⁻¹⁵ mol ATP |
| Detection Time | ≤15 s |
| Accuracy | ±5 RLU |
| Operating Temperature | 5–40 °C |
| Operating Humidity | 20–85 % RH |
| ATP Recovery Rate | 90–110 % |
| Display | Large Backlit LCD |
| User Accounts | 50 |
| Custom Limits | 250 |
| Data Storage Capacity | 2000 test records |
| Pass/Fail Auto-Judgment | Yes |
| Built-in Self-Calibration Light Source | Yes |
| Self-Test at Power-On | Yes (30 s) |
| Interface | RS232 + USB |
| Dimensions (W×H×D) | 192 × 87 × 34 mm |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-2020-2 |
| Black Globe Temp. Range | 0–120 °C, ±0.5 °C |
| Wet-Bulb Temp. Range | 0–50 °C, ±0.5 °C |
| Ambient Temp./RH Sensor | −20–120 °C / 0–100% RH, ±0.5 °C / ±3% RH |
| Display | 3.5″ color touch LCD |
| Power | 5000 mAh Li-ion, ≥96 h standby |
| Enclosure | ABS + overmolded TPE, IP30 |
| Mounting | 1/4″ tripod thread |
| Connectivity | M12 digital ports (3×), K-type thermocouple (2×), analog inputs (2×, 0–2 V), Bluetooth 5.0 (≥20 devices), USB-C, Wi-Fi, microSD slot |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-2020-3 |
| Black Globe Temperature Sensor (2020-11) | Range 0–120°C, Accuracy ±0.5°C, Resolution 0.1°C, Stainless Steel Enclosure |
| Ambient Temperature & Humidity Sensor (2020-16) | Temp Range −20–120°C, Accuracy ±0.5°C |
| Anemometer (2020-21) | Range 0–10 m/s, Accuracy ±(0.05 + 0% of reading) for 0.05–2 m/s, ±(0.1 + 2% of reading) above 2 m/s, Resolution 0.01 m/s, RS485 Output |
| Display | 3.5-inch Color Touch LCD |
| Power | Internal 5000 mAh Li-ion Battery (≥96 h standby), DC5V/1A Micro USB Input |
| Data Storage | Removable SD Card, CSV Export |
| Communication | RS485, USB, Wi-Fi, Bluetooth (up to 20 BLE sensors), M12 6-pin Aviation Connectors (3 digital channels), K-type Thermocouple Inputs (2), Analog Inputs (2, 0–2 V, 0.01 mV resolution, ±0.5% accuracy) |
| Enclosure | ABS + TPU Overmold, IP30 Rating, 175 × 92 × 38 mm, 1/4″ Tripod Thread, Detachable Wrist Strap |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-300 |
| Flow Range | 0–30 L/min |
| Flow Accuracy | Class 2.5 |
| Sampling Principle | Impaction |
| Timer Range | 1–99 min |
| Negative Pressure | ≥2000 Pa |
| Capture Efficiency | ≥98% |
| Power Supply | Rechargeable Li-ion battery (5 h runtime) + AC/DC adapter (220 V, 50 Hz) |
| Weight | 2.0 kg |
| Dimensions | 20 × 13.5 × 14 cm |
| Sampler Head | 6-stage Anderson-style impactor (Aluminum alloy, rubber-gasketed stages) |
| Particle Size Cutoffs | Stage 1: >7.0 µm |
| Stage 2 | 4.7–7.0 µm |
| Stage 3 | 3.3–4.7 µm |
| Stage 4 | 2.1–3.3 µm |
| Stage 5 | 1.1–2.1 µm |
| Stage 6 | 0.65–1.1 µm |
| Collection Medium | Standard 90 mm Petri dishes |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-302 |
| Sampling Area | 50 cm² |
| Sampling Methods | Dust Scraping & Microbial Swabbing |
| Sampling Accuracy | 95% (dust), 90% (microbial) |
| Repeatability | 97% |
| Power Supply | 12 V rechargeable Li-ion battery (4000 mAh) |
| Operating Duration | 4–5 h continuous |
| Robot Dimensions | 305 mm × 154 mm × 96 mm |
| Weight | 3.6 kg |
| Obstacle Clearance | 7 cm height / 47° incline |
| Minimum Duct Access | 100 mm × 160 mm rectangular cross-section |
| Locomotion | Bidirectional + 360° pivot |
| Max Speed | 12 m/min (not m/s — corrected per engineering convention) |
| Control Interface | Wired (40 m cable) or Wi-Fi |
| Imaging System | Dual HD cameras (front pan-tilt + rear fixed), integrated LED illumination |
| Data Storage | On-device video/photo capture, streamed/stored on host PC or tablet |
| Compliance | Designed per WS/T 395–2012 “Hygienic Evaluation Specification for Central Air Conditioning Ventilation Systems in Public Places” |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-800-HCHO |
| Principle | Photometric Colorimetry (GB/T 18204.2) |
| Measurement Range | 0.000–1.250 mg/m³ |
| Resolution | 0.001 mg/m³ |
| Sampling Method | Constant-Flow Sampling |
| Operating Temperature | 5–40 °C (±1 °C) |
| Relative Humidity Range | ≤90% RH (±2% RH) |
| Atmospheric Pressure Range | 30–120 kPa (±0.2 kPa) |
| Accuracy | ±5% of reading |
| Analysis Time | 10 min per sample |
| Display | 2.2-inch color LCD |
| Power Supply | 7.4 V rechargeable Li-ion battery |
| Data Storage | 8,000 records |
| Connectivity | Bluetooth for wireless printing |
| Compliance | GB/T 18204.2–2014 (Public Health Inspection Methods – Part 2: Chemical Pollutants) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | BY-AQ |
| Pricing | Available Upon Request |
| Communication | Wi-Fi or 4G (Optional) |
| Display | LCD |
| Dimensions | 240 × 216 × 78 mm (L×W×H) |
| Housing | Anodized Aluminum + ABS Engineering Plastic |
| Weight | ~205 g |
| Sensor Types | NDIR (CO₂), Laser Scattering (PM2.5/PM10), Electrochemical (HCHO, NH₃, CO, O₃), Semiconductor (TVOC), Capacitive (RH), Thermistor (Temp), Photodiode (Illuminance), MEMS Microphone (Noise) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | BY-CEM |
| Pricing | Available Upon Request |
| Particle Detection | PM2.5 (0–10,000 µg/m³, ±10% accuracy, 1 µg/m³ resolution) |
| Display | 7-inch capacitive touchscreen |
| Power | AC adapter + internal rechargeable battery |
| Connectivity | 4G LTE, Wi-Fi, USB, RS485, external antenna port |
| Enclosure | Ruggedized portable housing with tripod mount and wall-mount bracket |
| Data Storage | Local buffered storage + cloud-synchronized time-series database |
| Compliance | Designed for alignment with ISO 16000-23 (indoor air quality — sensor performance evaluation), GB/T 18883-2022 (China Indoor Air Quality Standard), and WHO Air Quality Guidelines (2021) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-CL1600 |
| Detection Method | DPD Colorimetric Spectrophotometry |
| Measurands | Free Chlorine & Total Chlorine |
| Range | 0.00–5.00 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ≤ ±1% FS + 0.01 mg/L |
| Measurement Time | 1 min |
| Light Source | Pulsed LED (100,000 hr lifetime) |
| Display | Integrated LCD |
| Calibration | User-defined zero and span calibration |
| Environmental Operating Range | 0–50 °C |
| Power Supply | Replaceable alkaline batteries |
| IP Rating | IP65-equivalent mechanical sealing (shock- and moisture-resistant enclosure) |
| Optical Design | Integrated LED-as-source-and-monochromator architecture with fixed-path cuvette chamber and flip-type light-shielding cover |
| Brand | BJBY |
|---|---|
| Model | BY-EM01 |
| Frequency Range | 1 Hz – 60 GHz (probe-dependent) |
| Measurement Parameters | Electric Field Strength (V/m, kV/m), Magnetic Field Strength (A/m, µT, mT), Power Density (µW/cm², mW/cm²) |
| Probe Compatibility | Four dedicated probe types (LF, HF, UHF, MW) with triaxial isotropic sensors |
| Operating Environment | -20 °C to +55 °C, IP65 (host), IP52 (probes) |
| Battery Life | >8 h (host), >10 h (LF probe), >3 h (HF probe) |
| Data Modes | Real-time, RMS, Max, Time History, Spectrum Analysis, 8-h Weighted Average |
| Compliance | GBZ/T 189.1–189.5, GBZ 2.2, GB 8702, HJ 681, HJ 972, HJ 1136, HJ 1199, IEC 61786-1, IEC 62232, GJB 5313A |
| Connectivity | Fiber-optic (primary), Bluetooth 4.1, USB-C, GPS+AGPS |
| Display | 6.0" 1080p LCD, Android-based touch interface |
| Dimensions (host) | 165.5 × 81.6 × 29.1 mm |
| Weight (host) | 335 g |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-UV254 |
| Wavelength Range | 248–262 nm |
| Peak Wavelength | 254 nm |
| Measurement Range | 1 µW/cm² to 39.99 mW/cm² |
| Resolution | 1 µW/cm² |
| Spectral Band Rejection (Out-of-Band) | <0.1% |
| Accuracy | ±8% + 2 digits |
| Linearity Error | ±1% |
| Range Switching Error | ±1% |
| Sampling Rate | 2 Hz |
| Display | 3¾-digit LCD with backlight |
| Overload Indication | "OL" |
| Operating Temp./RH | 0–45 °C / 0–70% RH |
| Storage Temp./RH | −10–50 °C / 0–80% RH |
| Power | Three 3 V CR2032 coin cells |
| Battery Life | ~300 h (backlight off) |
| Auto Power-Off Delay | 5 min |
| Host Dimensions | 160 × 78 × 34 mm |
| Probe Dimensions | Ø50 × 40 mm |
| Telescopic Handle | 12 cm (single-stage), 24 cm (dual-stage) |
| Probe Cable Length | 1 m (including handle) |
| Weight | ~405 g (with batteries and probe) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | BY-WQP1600C |
| Pricing | Available Upon Request |
| Measurement Principle | Turbidimetric Detection via Cyanuric Acid–Melamine Precipitation Reaction |
| Wavelength | 480 nm |
| Range | 5.0–120.0 mg/L |
| Assay Time | 7 min |
| Photometric Method | Reflectance/Transmittance Photometry |
| Accuracy | ±5% of Full Scale |
| Repeatability (RSD) | <0.5% |
| Stability (Drift) | <0.5% over 30 min |
| Optical Sensitivity (Absorbance Resolution) | 0.001 AU |
| Display | 3.5-inch TFT Color Touchscreen |
| Data Storage | ≥2000 Test Records with Timestamp, Sample ID, and Operator Tag |
| Connectivity | Bluetooth 4.2 (Class 2) for Wireless Thermal Printing |
| Power Supply | Rechargeable 8.4 V Li-ion Battery (Integrated, 2500 mAh) |
| Auto-Power-Off | After 120 min Inactivity |
| Operating Environment | 0–40 °C, ≤85% RH (non-condensing) |
| Optical Source | Imported Long-Life Cold LED (Rated Lifetime: 100,000 h) |
| Dimensions | 220 × 120 × 85 mm |
| Weight | 0.82 kg |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-WQP8001 |
| Measurement Principles | Colorimetric Spectrophotometry & Composite Spectrum Analysis |
| Parameters Measured | pH, Free Chlorine, Urea, Cyanuric Acid |
| Detection Range | Free Chlorine 0.03–10 mg/L |
| Measurement Time | Free Chlorine 2 min |
| Accuracy | ±5% |
| Repeatability | <0.5% |
| Stability | <0.5% |
| Absorbance Sensitivity | 0.001 AU |
| Display | 3.5-inch TFT color touch screen |
| Data Storage | ≥2000 records |
| Connectivity | Bluetooth 4.0 for wireless thermal printing |
| Power Supply | 8.4 V rechargeable Li-ion battery with state-of-charge indicator |
| Auto Power-off | After 2 hours of inactivity |
| Operating Environment | 0–40 °C, <85% RH (non-condensing) |
| Optical Source | Imported cold-light LED, 100,000-hour lifetime |
| Compliance | GB/T 5750, CJ/T 244, GB 37488–2019 |
| Brand | BJBY |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | BY-ZS |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measured Parameters | Turbidity (0.00–400 NTU, extendable to 2000 NTU), Color (0.0–500.0 Platinum-Cobalt Units) |
| Compliance | GB/T 5750.4–2023 (Turbidity: Ratio Nephelometry at 90° + Transmission |
| Color | Platinum-Cobalt Standard Method) |
| Repeatability | ±0.003 Absorbance Units |
| Detection Wavelengths | 380 nm, 420 nm, 520 nm, 610 nm, and Broadband White Light (automatically selected per test) |
| Optical Configuration | Dual-mode optical path—90° scattered light + transmitted light for turbidity |
| Resolution | 0.001 NTU (turbidity), 0.1 PCU (color) |
| Data Storage | 20,000 measurement records with timestamp, operator ID, sample ID, sample type, and source metadata |
| Display | 5.0-inch high-resolution capacitive touchscreen |
| Calibration | Factory-calibrated with 7-year LED light source stability |
| Power | Integrated rechargeable Li-ion battery |
| Reagents | Pre-formulated, sealed, ready-to-use reagent vials (no on-site preparation required) |
| Dimensions | 194 × 194 × 115 mm (L × W × H) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-ZSD3 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | Turbidity, Color, Free Chlorine, Combined Chlorine, pH, Cyanuric Acid, Urea, Ozone, Hydrogen Peroxide |
| Measurement Principles | Nephelometry (Turbidity), Spectrophotometry (Color, Chlorine, Ammonia-N, etc.) |
| Detection Range | Turbidity 0.000–2000 NTU |
| Other Parameters | Compliant with GB/T 5750 and HJ Standards |
| Resolution | Turbidity — 0.001 NTU (0.000–9.999), 0.1 NTU (10.0–99.9), 1 NTU (100–2000) |
| Wavelengths | 380, 430, 460, 530, 610, 850 nm (automatically selected) |
| Data Storage | 2000 measurement records |
| Display | 5.0-inch HD LCD touchscreen |
| Power Supply | 17000 mAh rechargeable Li-polymer battery, USB power input, AC adapter, or external power bank |
| Operating Environment | 0–50 °C, 0–90% RH (non-condensing) |
| Certifications | Designed per GB/T 5750.4–2023 (turbidity), GB/T 5750.11–2023 (chlorine), HJ 535–2009 (ammonia nitrogen) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-ZSD3 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | Turbidity, Color, pH, Free Chlorine, Total Chlorine, Combined Chlorine, Chlorine Dioxide, Residual Oxygen, Ozone, Chlorite, Ammonia Nitrogen, Nitrate, Nitrite, Fluoride (SPANDS method), Iron, Manganese, Hexavalent Chromium, COD (Low & High Range), Sulfate, Dissolved Oxygen, Aluminum |
| Wavelengths | 380 nm, 420 nm, 520 nm, 610 nm, White Light |
| Optical Method for Turbidity | 90° Scattering + Transmission |
| Detection Limit for Turbidity | 0.001 NTU |
| Repeatability | ±0.003 Abs |
| Data Storage | 20,000 records with timestamp, user ID, sample ID, source, and matrix metadata |
| Display | 5.0-inch HD color touchscreen |
| Power Supply | External mobile power bank compatible |
| Preloaded Reagents | Yes |
| Dimensions | 19.4 × 19.4 × 11.5 cm |
| Compliance | GB/T 5749–2022, GB/T 5750.4–2006, GB/T 5750.11–2006 |
| Brand | BJBY |
|---|---|
| Origin | China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Hot-Wire Anemometer |
| Measurement Range | 0.00–25 m/s |
| Resolution | 0.01 m/s |
| Accuracy | ±(2% of reading + 0.1 m/s) |
| Operating Temperature | 0°C to 60°C |
| Sensor Type | Constant-Temperature Anemometry (CTA) Thermal Probe |
| Power Supply | 9 V alkaline battery or 220 V AC/DC adapter |
| Battery Life | >100 hours (on 9 V battery) |
| Display | Backlit LCD, simultaneous wind speed and temperature readout |
| Weight | <1.5 kg (including carrying case) |
| Compliance | Certified by National Institute of Metrology (NIM), P.R. China (CNAS-accredited calibration traceable to SI units) |
| Brand | BJBY |
|---|---|
| Model | DYM3 |
| Type | Aneroid Barometer |
| Measurement Range | 800–1064 hPa |
| Accuracy (after temperature, scale, and supplemental corrections) | ≤ ±2.0 hPa |
| Scale Division | 1 hPa |
| Thermometer Division | 1 °C |
| Operating Temperature | −10 to +40 °C |
| Dimensions | 156 × 156 × 115 mm |
| Weight | ≤ 1.5 kg |
| Origin | Tianjin, China |
| Compliance | Designed per GB/T 12159–2015 (Chinese National Standard for Aneroid Barometers) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | FCC-25 |
| Flow Range | 1–10 L/min, 3–30 L/min, or 5–30 L/min (selectable) |
| Sampling Types | Respirable and Total Dust |
| Maximum Negative Pressure | >3000 Pa |
| Continuous Operation Time | >180 min |
| Flow Accuracy | ≤±5% |
| Flow Stability | ≤±5% |
| Timing Accuracy | ≤±0.1% |
| Noise Level | <65 dB(A) |
| Operating Temperature | −10°C to +40°C |
| Relative Humidity | ≤85% RH |
| Ambient Pressure Range | 80–110 kPa |
| Weight | 2.0 kg |
| Dimensions | 200 × 75 × 140 mm |
| Explosion Protection | Ex ib I Mb per GB 3836.1–2010 / GB 3836.4–2010 and MT 162–1995 |
| Certification No. | SHExC19.0180 |
| Preseparator Efficiency | Compliant with BMRC (British Medical Research Council) respirable dust convention |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | FCC-5000H |
| Flow Range | 100–3000 mL/min or 1000–5000 mL/min (selectable) |
| Flow Control | Digital closed-loop constant flow with built-in high-precision sensor and user-accessible calibration interface |
| Volume Calculation | Simultaneous display of actual-volume and standard-condition volume (at 25°C, 101.325 kPa) |
| Data Storage | 99 sampling records |
| Flow Stability | ≤5% |
| Flow Reproducibility | ≤2% |
| Timing Accuracy | ≤±0.1% |
| Timer Range | 1 min to 99 h 59 min |
| Operating Temperature | −10 to 50°C |
| Relative Humidity | ≤95% RH |
| Battery Runtime | >20 h |
| Maximum Back Pressure Load | ≥35 kPa |
| Sampling Modes | Cyclic, Manual, Timed, and Volume-Triggered (up to 1000 L) |
| Dimensions (L×W×H) | 122 × 60 × 72 mm |
| Weight | 0.5 kg |
| Noise Level | <60 dB(A) |
| Compliance | JG 956–2013 (Verification Regulation for Air Samplers), GBZ/T 192.3–2007 (Determination of Dust in Workplace Air) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | H5220(C) |
| Detection Limit | <1 µg/m³ (for benzene) |
| Repeatability | 1% |
| Linear Range | 10⁵ |
| Column Oven Temperature Range | Ambient to 200 °C (programmable) |
| Zero Drift | ≤1% FS/month |
| Span Drift | <1% FS/24 h |
| Power Supply | Internal Li-ion battery (6 h operation) |
| Operating Environment | −20 °C to +45 °C, 20–90% RH |
| Gas Inlet | 1/8″ stainless steel Swagelok fitting |
| Detector | Photoionization Detector (PID) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | HX-1500 |
| Instrument Type | Portable |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Target Gas | Carbon Monoxide (CO) |
| Measurement Ranges | CO: 0.0–50 ppm (also configurable to 200 ppm or 1000 ppm) |
| Temperature | −20–60 °C |
| Relative Humidity | 10–95 %RH |
| Resolution | 0.1 ppm |
| Repeatability | ≤1.0 %FS |
| Linearity Error | ≤±2 %FS |
| Zero Drift | Auto-zero compensation |
| Span Drift | ≤±2 %FS / 3 h |
| Response Time (T90) | ≤60 s |
| Warm-up Time | 30 min |
| Flow Rate | 0.5–2.0 L/min |
| Power Supply | AC 220 V (±10 %) or rechargeable internal battery |
| Data Interface | RS-485 |
| Data Storage | 500 records |
| Display | Color touchscreen LCD |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | HX-2800 |
| Instrument Type | Portable |
| Detection Principle | Non-Dispersive Infrared (NDIR) Spectroscopy |
| Measurement Range | CO: 0–100 ppm, CO₂: 0–5000 ppm |
| Resolution | CO: 0.1 ppm, CO₂: 0.001% (10 ppm) |
| Linearity Error | ≤±2% FS |
| Repeatability | ≤1.0% FS |
| Zero Drift | ≤±2% FS/h |
| Span Drift | ≤±2% FS/3h |
| Response Time | CO ≤60 s, CO₂ ≤30 s |
| Preheat Time | 30 min |
| Flow Rate | 0.5–2.0 L/min |
| Digital Interfaces | RS-232, USB, Modbus RTU via RS-485 |
| Data Storage Capacity | Up to 5000 measurement records |
| Display | Color TFT touchscreen |
| Power Supply | AC 220 V (±10%) or rechargeable Li-ion battery |
| Alarm | Visual and audible alarm with configurable thresholds |
| Compliance | GB/T 18204.23–2000, GB/T 9801–1988, GB/T 18204.24–2000, JJG 635–2011 |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | JC-RAD-14 |
| Sampling Method | Active Pump-aspiration |
| Measurement Range | Air Radon: 3–150,000 Bq/m³ |
| Soil Radon | 300–400,000 Bq/m³ |
| Radon Exhalation Rate | 0.001–10.000 Bq/(m²·s) |
| Water Radon | 0.003–100 Bq/L |
| Detection Repeatability | ≤5% (at 1800 Bq/m³, 65% RH, 25°C) |
| 8-h Drift | ≤10% |
| Power | Rechargeable Li-ion battery (≥30 h continuous operation) or AC adapter |
| Operating Temperature | −10°C to +40°C |
| Relative Humidity | ≤98% RH |
| Display | Backlit dot-matrix LCD |
| Data Storage | >200,000 records |
| Flow Rate | Up to 3 L/min (peak) |
| Communication Interfaces | USB, RS232, RS485, TCP/IP, Industrial Wireless |
| Inlet/Outlet Fittings | Anodized Aluminum |
| Self-background Count Rate | ≤0.3 cpm |
| Brand | BJBY |
|---|---|
| Model | UV-2000 |
| Measurement Range | 0.1–199,900 µW/cm² |
| Spectral Response | 230–290 nm (Peak at 254 nm) |
| Accuracy | ±5% |
| Response Time | 1 s |
| Out-of-Band Rejection | <0.1% |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <85% RH |
| Power Supply | 9 V alkaline battery |
| Power Consumption | ≤80 mW |
| Dimensions | 130 × 70 × 30 mm |
| Weight | 200 g |
| Probe Calibration | 254 nm UV-C specific |
| Brand | BJBY |
|---|---|
| Model | UV254M |
| Spectral Range | 220–275 nm |
| Display | Dual 4-digit LCD with backlight |
| Measurement Ranges | High/Low auto-ranging |
| Mounting | Standard 1/4″-20 tripod socket |
| Calibration | NIST-traceable certificate included |
| Data Logging | Auto-record mode with 20-point memory |
| Zero Adjustment | Manual offset compensation |
| Power | Battery-operated with low-battery indicator |
| Compliance | Meets ISO/CIE spectral responsivity requirements for UVC radiometry |