- All
- Favorite
- Popular
- Most rated
| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HBD5-OPA4110TP |
| Measurement Principle | Optical Light Scattering (Nephelometric) |
| Range Options | 0.003–33 mg/m³ (100×), 0.03–330 mg/m³ (10×), 0.8–32,000 g/m³ (X), or 15×0.02–166 g/m³ (15×) |
| Accuracy | ±2% or ±0.8 g/m³ (water fog reference), whichever is greater |
| Calibration | Dual-point 2KS calibration |
| Response Time | ≤1 s |
| Operating Temperature | 0–70 °C |
| Power Supply | NiCd ×8 battery pack (1 h continuous operation) |
| Dimensions (Meter) | 98 × 150 × 30 mm |
| Sensor Dimensions | Ø24 × 360 mm |
| Weight | 0.7 kg |
| Display | 16×2 LCD with backlight |
| Data Logging | 24 records per calibration table (up to 8 tables) |
| Communication | RS-232 / RS-485 serial interface |
| Compliance | Designed for field-deployable environmental and industrial aerosol monitoring per ISO 7706 (airborne oil mist), ASTM D6340 (aerosol mass concentration), and EPA Method 9031 (nephelometric turbidity correlation) |
| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Model | wAir2000SR-5s01 (CO, CO₂, NH₃, Toxic Gas, O₂) |
| Detection Parameters | CO (0.1–500/1000 ppm), CO₂ (0–1/5 %v/v), NH₃ (0.1–100 ppm), Toxic Gas (0.1–1000 ppm), O₂ (0–30 %v/v) |
| Temperature Range | −40 to +100 °C |
| Humidity Range | 0–99 %RH |
| Accuracy | ±2% R (CO, O₂), ±1% R (CO₂), ±10% R (NH₃), ±5% R (Tox) |
| Repeatability | Specified per gas |
| Display | 4×16 Character LCD |
| Communication | RS232/RS485 Dual-Mode Serial Interface |
| Power Supply | 220 V AC, <10 W |
| Enclosure Rating | NEMA 4 / IP56 |
| Dimensions | 300 × 500 × 250 mm (W×H×D) |
| Data Logging | 24 Groups (Non-Volatile Memory) |
| Warm-up Time | 3–5 min |
| Mounting | Wall-Mounted Fixed Installation |
| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | pAir2000-EFF-D |
| Instrument Type | Portable |
| Detection Principles | Electrochemical, Metal Oxide Semiconductor (MOS), Photoionization Detector (PID), Non-Dispersive Infrared (NDIR), UV-Vis Spectrophotometry |
| Accuracy | ±1–2% of reading |
| Flow Rate | 0.1 L/min |
| Response Time (T90) | <3 minutes |
| Operating Temperature | −10 °C to +60 °C |
| Operating Humidity | 10–90% RH (non-condensing) |
| Power Supply | 12 V rechargeable battery |
| Dimensions | 400 × 300 × 200 mm |
| Weight | 4.5 kg |
| Sensor Resolution | 0.1% FS |
| Long-Term Stability | ±10% per year |
| Display | 4×16-character LCD |
| Communication Interfaces | RS232 / RS485 |
| Calibration Options | Single-point inert gas zeroing, dual-standard (DKA) calibration with certified reference gases or traceable surrogates |
| Cross-Interference Compensation | Neural network-based multi-gas interference correction algorithm |
| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Type | Portable |
| Detection Principle | Multi-sensor Fusion (Electrochemical, PID, NDIR, Catalytic Combustion, Semiconductor, Metal Oxide) |
| Accuracy | ±1–2% of reading (typ.) |
| Flow Rate | 0.1 L/min |
| Response Time | <1 min (T90) |
| Operating Temperature | −10 °C to +60 °C |
| Operating Humidity | 10–90% RH (non-condensing) |
| Dimensions | 400 × 300 × 200 mm |
| Weight | 4.5 kg |
| Power Supply | Rechargeable 12 V battery |
| Sensor Channels | Configurable from 4 to 23 gas-specific sensors |
| Compliance | Designed per GB 14554–1993 “Emission Standard of Odorous Pollutants” |
| Data Interface | RS232 / RS485 |
| Calibration | Dual-standard (DKA) and single-point inert gas zeroing |
| Cross-interference Compensation | Neural network-based real-time correction algorithm |
| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Bigdipper Instruments Co., Ltd. |
| Model | pAir2000-EFF-A1 |
| Instrument Type | Portable |
| Detection Principle | Multi-sensor array (electrochemical, metal oxide semiconductor, photoionization detection/PID) |
| Accuracy | ±1% of reading |
| Response Time | < 10 ms |
| Operating Temperature | -10°C to 60°C |
| Operating Humidity | 10–90% RH (non-condensing) |
| Gas Measurement Range | NH₃ (0.5–200 ppm), H₂S (0.3–100 ppm), ODU (0–10,000, unitless) |
| Resolution | 0.01 ppm (NH₃, H₂S), 0.1% FS (full scale) |
| Long-term Stability | ±10% per year |
| Power Supply | 12 V rechargeable battery |
| Dimensions | 400 × 300 × 200 mm |
| Weight | 4.5 kg |
| Compliance | NY/T 388–1999 (China Agricultural Standard for Odor Concentration Determination) |
| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | WBD5-CWA-MG02 |
| Detection Principle | Electrochemical & Metal Oxide Semiconductor (MOS) Sensor Array |
| Target Analytes | Organophosphorus agents (GA, GB, GD, GF, VX, VR, etc.), Mustard gas (HD), Lewisite (L), Blister agents (HN-1, HN-2, HN-3), Blood agents (HCN, CK), Nerve agents (G-series, V-series), Riot control agents (CN, CS, CR, DM, CN-PS), and common industrial toxics (Cl₂, H₂S, CO, CH₄, gasoline vapors) |
| Detection Range | 0.02–100 ppm (agent-specific) |
| Response Time | <10 ms |
| Accuracy | ≤±5% FS (toxic agents), ≤±0.5% (O₂) |
| Repeatability | ≤1% FS |
| Output Signal | 4–20 mA / 0–20 mA |
| Operating Voltage | 12–24 VDC (sensor module) |
| Environmental Operating Range | –20 °C to +40 °C, 0–95% RH, 86–106 kPa |
| Enclosure Rating | Ex ia IICT6 Gb (Intrinsically Safe for Zone 0/1 hazardous areas) |
| Weight | ≤5 kg |
| Continuous Operation | 24/7 |
| Sensor Lifetime | 12–24 months (12-month warranty against manufacturing defects) |
Show next