BJBY (Beijing Baoyun)
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| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Model | WBGT-2006 |
| Origin | Imported (U.S.-sourced instrumentation platform) |
| Compliance | GB/T 4200–2008, ISO 7243:1989 |
| Measurement Principle | Simultaneous dry-bulb, natural wet-bulb, and black-globe temperature acquisition for WBGT index calculation |
| Display | Real-time concurrent readout of T<sub>db</sub>, T<sub>nwb</sub>, T<sub>g</sub>, and WBGT value |
| Data Logging | Up to 100 hours internal storage |
| Interface | USB 2.0 for PC connectivity |
| Software | Dedicated Windows-based analysis suite supporting max/min/avg extraction per user-defined time segment |
| Operating Menu | Full Chinese GUI (host unit only) |
| Sensor Type | Digital precision thermistors with direct digital output |
| Dry-Bulb Range | 10–60 °C ±0.5 °C |
| Natural Wet-Bulb Range | 5–40 °C ±0.5 °C |
| Black-Globe Range | 20–120 °C (±0.5 °C @ 20–40 °C |
| Globe Diameter | 150 mm, Emissivity ≥0.95 |
| Wet-Bulb Wicking | Cylindrical cotton sleeve (6±1 mm OD, 30±5 mm length), 20–30 mm free hanging length, water reservoir isolation from radiant heating |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Model | BY-200-CO2 |
| Type | Portable Gas Analyzer |
| Detection Principle | NDIR for CO₂ |
| CO₂ Range | 0–10,000 ppm |
| CO₂ Resolution | 1 ppm |
| CO₂ Accuracy | ±(40 + 3% of reading) ppm |
| HCHO Range | 0.00–5.00 mg/m³ |
| HCHO Resolution | 0.01 mg/m³ |
| HCHO Accuracy | ±5% |
| Dimensions (Analyzer) | 165 × 80 × 30 mm |
| Sensor Module Size | 123 × 45 × 15 mm |
| Display | Color TFT LCD |
| Power | Replaceable alkaline batteries |
| Data Connectivity | Bluetooth-enabled smartphone app with cloud upload capability |
| Data Logging | Internal storage with query function |
| Compliance | Designed for indoor air quality (IAQ) assessment per ISO 16814, ASHRAE Standard 62.1, and GB/T 18883–2022 (China IAQ guideline) |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Origin | Beijing, China |
| Model | BY-SD1500 |
| Instrument Type | Handheld Water Quality Analyzer |
| Measurement Method | Platinum-Cobalt Standard Colorimetric Method |
| Range | 0–500 degrees |
| Resolution | 0.1 degree |
| Accuracy | ≤1% ± 0.01 degree |
| Measurement Time | <60 s |
| Display | OLED with backlight |
| Light Source | Pulsed LED (≥100,000 h lifetime) |
| Environmental Operating Conditions | 0–50 °C, 0–90% RH (non-condensing) |
| IP Rating | IP54 |
| Power Management | Built-in battery with low-power diagnostic alert |
| Optical Design | Integrated solid-state light source / monochromator / cuvette chamber / photodetector |
| Sample Compartment | Flip-type integrated light-shield cover |
| Curve Handling | On-device standard curve creation, built-in reference curves, auto-fitting and concentration calculation |
| Calibration | Zero-point calibration only required |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Origin | Beijing, China |
| Model | BY-TC1100 |
| Type | Portable Turbidimeter |
| Measurement Principle | 90° Nephelometric Scattering |
| Range Options | 0–20 NTU / 0–200 NTU |
| Minimum Detectable Value | 0.01 NTU (0–20 range) / 0.1 NTU (0–200 range) |
| Accuracy | ±8% of reading (±2.5% F.S.) |
| Repeatability | ≤1% |
| Zero Drift | ±1% F.S. |
| Light Source | Long-life LED (90° scattering geometry) |
| Warm-up Time | ≤30 s |
| Power Supply | 9 V alkaline battery or AC/DC adapter (220 V AC / 50 Hz input |
| Dimensions | 235 × 75 × 65 mm |
| Display | Backlit LCD with microprocessor control |
| Auto Functions | Auto-zero, auto-calibration, auto-shutdown after 10 min inactivity |
| Data Interface | Analog/digital output port (RS-232 or TTL-level, configurable) |
| Compliance | ISO 7027:2016 (Nephelometric method for turbidity measurement) |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Model | C222 |
| Lead Equivalence (Front) | 0.35 mm Pb or 0.5 mm Pb |
| Lead Equivalence (Back & Sleeves) | 0.25 mm Pb |
| Overlap Design (Front Closure) | Hook-and-Loop (0.7 mm Pb) or Snap Fastener (1.0 mm Pb) |
| Shoulder Padding | Integrated Soft Foam Cushioning |
| Waist Support | Adjustable Wide Elastic Belt |
| Color Options | 12 Standard Colors |
| Size Range | 17 Standard Sizes |
| Compliance | Meets IEC 61331-1:2014 and GBZ 130-2020 Requirements for Diagnostic Radiology Protective Apparel |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Origin | Beijing, China |
| Model | HX-1200 |
| Instrument Type | Portable CO₂ Analyzer |
| Measurement Range | 0–10,000 ppm (extendable to 0–100% vol) |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Resolution | 1 ppm |
| Repeatability | ≤1% FS |
| Response Time (T₉₀) | ≤10 s |
| Data Storage | 256 measurement records with timestamp |
| Display | 3.5″ full-color TFT touchscreen |
| Communication Interface | USB 2.0 |
| Power Supply | Internal rechargeable Li-ion battery (≥200 h continuous operation) / External: 9 VDC ±10% or 220 VAC ±10% |
| Operating Environment | 0–50 °C, 10–95% RH (non-condensing) |
| Dimensions | 205 × 180 × 98 mm |
| Weight | 1.2 kg |
| Output Units | ppm, mg/m³, °C, %RH (auto-convertible) |
| Alarm | Visual (LED flash) & audible (≥85 dB at 30 cm) |