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| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TW-ZW108 |
| Price | USD 3,650 (approx.) |
| Sample Capacity | 8 × 0.2 mL tubes |
| Reaction Volume | 5–120 µL |
| Temperature Range | 4–99 °C |
| Max Heating/Cooling Rate | 7 °C/s (heat), 5 °C/s (cool) |
| Temperature Uniformity | ≤ ±0.2 °C |
| Temperature Accuracy | ≤ ±0.1 °C |
| Excitation Source | Maintenance-free LED (400–700 nm) |
| Detection Channel | 1 channel (FAM/SYBR Green I) |
| Display | 7-inch HD capacitive touchscreen |
| Dimensions (L×W×H) | 355 × 200 × 124 mm |
| Net Weight | 2.5 kg |
| Noise Level | <45 dB |
| Thermal Lid | Auto-pressure-adjusting |
| Data Interface | USB port for import/export |
| Compliance | Approved by Ministry of Agriculture and Rural Affairs (MARA) of PRC for ASF virus detection kits |
| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | TW-WQX12 |
| Power Consumption | 0.84 W |
| Communication Interface | RS485 (MODBUS RTU standard), optional RS232 / USB / Ethernet / Wireless (1-min minimum transmission interval) |
| Housing Material | UV-stabilized ASA engineering plastic |
| Mounting | Flange-based fixed installation |
| Certifications | Compliant with GB/T 35227–2017 (Meteorological Instruments – General Requirements), RoHS Directive 2011/65/EU, CE marking for EMC and LVD |
| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | TW-PQX7 |
| Instrument Type | Portable Weather Station |
| Wind Speed Range | 0–60 m/s (±0.1 m/s + 0.01V) |
| Wind Direction Range | 0–360° (±2°) |
| Air Temperature Range | −40–80 °C (±0.3 °C at 25 °C) |
| Relative Humidity Range | 0–100 %RH (±3 %RH within 20–80 %RH) |
| Atmospheric Pressure Range | 300–1100 hPa (±0.25 %) |
| Illuminance Range | 0–157286 lux (<±3 %) |
| Optical Rainfall Rate Range | 0–4 mm/min (≤±4 %) |
| Data Storage Capacity | ≥500,000 records |
| Power Consumption | 1.75 W |
| Battery | 12,000 mAh Li-ion, ≥32 h runtime |
| Total Weight | ≤5 kg |
| Deployment Time | ≤2 min (single operator) |
| IP Rating | ≥IP65 |
| Sensor Housing Material | Imported ABS (salt-fog resistant) |
| Display | 7-inch Android touchscreen |
| Mounting | Adjustable aluminum telescopic mast |
| Enclosure | Shock-absorbing pull-handle case |
| Brand | Tianwei (Shandong Tianwei Environmental Technology Co., Ltd.) |
|---|---|
| Model | TW-6481B5+ |
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Application Scope | Length measurement, attenuation profiling, splice/connector loss evaluation, and fault localization in single-mode and multimode optical fiber cables |
| Dynamic Range | 28 dB |
| Maximum Test Distance | 100 km |
| Event Dead Zone | 3 m |
| Sampling Resolution | 2.5 cm |
| Display | 7-inch capacitive touchscreen (800 × 480 TFT LCD) |
| Battery | 3.7 V / 4600 mAh Li-polymer with smart power management |
| Operating Wavelengths | 1310 / 1550 / 1625 / 1650 ±20 nm |
| Compliant File Formats | Bellcore GR-196, SR-4731 |
| Integrated Functions | OTDR, Optical Power Meter (OPM), Visual Fault Locator (VFL, 650 nm), Stable Light Source (LS), Live-fiber detection with automatic optical input warning |
| Interface | USB Type-C, microSD slot |
| Weight | ≤700 g (with battery) |
| Dimensions | ≤200 × 150 × 38 mm |
| Environmental Rating | Operating temperature 0–40 °C |
| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer | Yes |
| Model | TW-FZ3 |
| Measurement Principle | Asymmetric Capacitive Collector with Gerdien Tube Design |
| Negative Ion Range | 0–500,000 ions/cm³ (typical ambient range) |
| Resolution | 1 ion/cm³ |
| Accuracy | ±10% of reading (calibrated against NIST-traceable reference ion generator) |
| Temperature | −40°C to +60°C (±0.3°C) |
| Humidity | 0–100% RH (±0.3% RH, capacitive sensor) |
| Wind Direction | 0–360° (±2°, ultrasonic anemometer) |
| PM2.5 | 0–1000 µg/m³ (±10%, optical scattering) |
| Noise | 30–120 dB(A) (±1.5 dB, condenser microphone) |
| Oxygen Concentration | 0–100% vol (±3% vol, electrochemical sensor) |
| Data Storage | Local SD card or embedded flash — 1 year of raw 1-min interval data |
| Communication | GPRS / LTE Cat-1 / Fiber-optic (TCP/IP) |
| Power Supply | 220 VAC ±10% or optional solar + battery (12 VDC nominal) |
| Display | 2 m × 1 m P10 monochrome LED matrix (36 modules, 32 cm × 16 cm each) |
| Structural Frame | Dual carbon-steel uprights, flanged modular assembly, rated for Typhoon Level 15 (≥45 m/s) |
| Enclosure Rating | IP65 |
| Compliance | Meets GB/T 18801–2022 (Air Ion Detector General Requirements), HJ 93–2013 (Ambient Air Particulate Matter Monitoring), and supports HJ 212–2017 (Data Transmission Protocol for Environmental Monitoring) |
| Brand | Tianwei Environment (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TW-BF1 |
| Instrument Category | Portable/Short-Term Meteorological Station |
| Spectral Range | 280–3000 nm |
| Response Time (95%) | 13 s |
| Zero Offset (Thermal Radiation) | ±10 W/m² |
| Zero Offset (Temperature Variation) | ±3 W/m² |
| Nonlinearity | ±1% |
| Stability (Annual Sensitivity Drift) | ±2% |
| Directional (Cosine) Response Error | ≤±5% at 30° solar elevation |
| Spectral Error | ±3% |
| Temperature Response (−10 to +40 °C) | ±3% |
| Tilt Error | ±1% |
| Sensitivity | 7–14 µV/(W·m⁻²) |
| Internal Resistance | ≤800 Ω |
| Operating Temperature | −40 to +85 °C |
| Operating Humidity | 5–90% RH |
| Power Consumption | 1.75 W |
| Rechargeable Lithium Battery | 12,000 mAh, ≥50 h runtime with battery level indication |
| Data Storage Capacity | ≥500,000 records |
| Deployment Time | ≤2 minutes by single operator |
| Weight | ≤5 kg |
| Communication Interfaces | GPRS, Bluetooth 5.0, RS-485-to-USB converter |
| Compliance | ISO 9060:2018 (Class C, First Class), WMO CIMO Guide (2022), GB/T 19565–2017 |
| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TW-JS1S |
| Power Supply | DC 10–30 V |
| Accuracy | ±0.5 cm or ±1 cm (full-scale uniform accuracy) |
| Resolution | 0.5 cm / 1 cm |
| Measuring Section Lengths | 50 cm or 80 cm (modular, unlimited sections) |
| Host Enclosure IP Rating | IP54 |
| Sensor Section IP Rating | IP68 |
| Communication Interfaces | RS485, 4G, 4–20 mA, 0–5 V, 0–10 V |
| Operating Modes | Water Depth Mode / Air Gap Mode / Tilt Compensation Mode |
| Average Power Consumption | 1 W (host), 0.05 W per section |
| Relay Outputs | 2 × 250 VAC / 30 VDC @ 3 A |
| Data Upload Interval | Configurable from 30 s to 1000 s |
| Mounting | Wall-mounted (86.2 mm mounting hole spacing, Ø10 mm holes) |
| LED Display | 102 cm × 22 cm dual-color (red/green), 16×96 dot matrix, vertical scrolling text |
| Acoustic-Optical-Voice Alarm Module | RS485-controlled, fixed voice message “Current water level is high—drive with caution”, triple alert cycle at 5 s intervals |
| Solar/AC Dual Power Option | Optional factory-configured hybrid power system with battery backup |
| Remote Configuration | Bluetooth-enabled mobile app (non-contact parameter setup) |
| Brand | TW (Shandong Tianwei Environmental Technology) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | TW-WY1 |
| Measurement Principle | GNSS-based Real-Time Kinematic (RTK) Displacement Monitoring with Ultrasonic Auxiliary Sensor Integration |
| Static Accuracy (Differential Mode) | Horizontal ±(2.5 mm + 1 ppm), Vertical ±(5 mm + 1 ppm) |
| Antenna Type | Choke-Ring Antenna with Magnetic Absorbing Material |
| Communication Protocols | Modbus-RTU, RTCM3 v3.x |
| Data Output Interfaces | RS485 (ASCII & Modbus-RTU), TCP/HTTP/UDP |
| Power Supply | DC 10–15 V (sensor) |
| Operating Temperature | −40 °C to +85 °C |
| Humidity Range | 0–95% RH (non-condensing) |
| Enclosure Dimensions | Ø360 mm × H163 mm |
| Typical Power Consumption | 0.6 W (sensor + LoRa), 0.96 W (with cloud upload) |
| Compliance | Supports ISO/IEC 17025-aligned field calibration workflows, compatible with GLP/GMP data integrity requirements via audit-trail-enabled platform logging |
| Brand | Shandong Tianwei Environment (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TW-WQX6 |
| Price | USD 780 (FOB Qingdao) |
| Communication | RS485 (MODBUS RTU), optional RS232/USB/Ethernet/Wireless (GPRS/LTE, min. 1-min interval) |
| Housing Material | UV-stabilized ASA engineering plastic |
| Mounting | Flange base with north indicator |
| Compliance | IP66, RoHS, CE-marked for industrial environmental use |
| Sensor Architecture | Solid-state, no moving parts, maintenance-free design |
| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TW-CQ4 |
| Instrument Category | Pest Control Instrument |
| Dimensions | 710 × 600 × 2120 mm (including base) |
| Compliance | GB/T 24689.1–2009 |
| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TW-CT1 |
| Instrument Category | Pest Monitoring & Forecasting System |
| Power Consumption (Standby) | ≤25 W |
| Power Supply | Solar-powered (with optional 220 V AC backup) |
| Operating Temperature | 0–70 °C |
| Relative Humidity Range | 0–85% RH (non-condensing) |
| Camera Resolution | 5 MP (500 W-pixel equivalent) |
| UV Light Source | 20 W, peak wavelength 365 nm |
| Infrared Killing Chamber Temp | 85 ± 5 °C after 15 min operation |
| Insect Mortality Rate | ≥98% |
| Specimen Integrity Rate | ≥95% |
| Image Capture Interval | Every 30 minutes |
| Communication | 4G cellular + Ethernet port |
| Integrated GPS | Yes |
| Infrared Counting Sensor Accuracy | ≥99% |
| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TW-BF1 |
| Power Consumption | 1.75 W |
| Battery Capacity | 12,000 mAh (≥50 h runtime) |
| Spectral Range | 280–3000 nm |
| Response Time (95%) | 13 s |
| Zero Offset (Thermal) | ±10 W/m² |
| Zero Offset (Temperature) | ±3 W/m² |
| Nonlinearity | ±1% |
| Stability (1 year) | ±2% |
| Cosine Response Error | ≤±5% at 30° solar elevation |
| Directional Response Error | ±18 W/m² |
| Spectral Error | ±3% |
| Temperature Response (−10 to +40 °C) | ±3% |
| Tilt Error | ±1% |
| Sensitivity | 7–14 µV/(W·m⁻²) |
| Internal Resistance | ≤800 Ω |
| Operating Temperature | −40 to +85 °C |
| Operating Humidity | 5–90% RH |
| Data Storage Capacity | ≥500,000 records |
| Weight | ≤5 kg |
| Deployment Time | ≤2 min (single operator) |
| Compliance | ISO 9060:2018 (First Class), WMO CIMO Guide, GB/T 19565–2017 |
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