Hengao De HFC-1A Single-Channel Dust Sampler with Dual Diaphragm Pumps, Oil-Free Air Compressor HAD-KJ-BII, Electric Pressure-Relief稀油 Lubrication Pump AMO-IV-150S/3II, Water Immersion Suspension Moisture Analyzer HAD-100A, Intelligent Crude Oil Dehydrator HXYTS-6, Plate-Type Thermal Conductivity Tester HAD-PL200 (Heat Flow Meter Method), Wireless Corrosion Monitoring Data Logger HAD-M4000 (Inductive Sensor), Square Solid-Phase Extraction System HACQ-12D, Magnetic Contaminant Analyzer HAD-G1, and Benchtop Coating Machine HAD-29640
| Brand | Hengao De |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model Numbers | HFC-1A |
| Sampling Flow Rate | 3–30 L/min |
| Max Negative Pressure | >2500 Pa |
| Flowmeter Accuracy | Class 2.5 |
| Timer Range | 0–99 min (±0.1% error) |
| Battery Life | >3 h (9.6 V / 4.5 Ah Ni-Cd) |
| Operating Temp | 0–40 °C |
| RH Limit | <95% |
| Compressor Output Flow | 0.2–0.9 m³/h |
| Max Output Pressure | 0.3 MPa |
| Noise Level | ≤55 dB(A) |
| Lubrication Pump Nominal Flow | 150 mL/min |
| Nominal Pressure | 2.0 MPa |
| Oil Viscosity Range | 68–1800 cSt |
| Tank Capacity | 3.0 L |
| Moisture Analyzer Weighing Range | 0–100 g |
| Readability | 0.001 g |
| Measurement Time | 3 min |
| Moisture Range | 0–100% w/w |
| Repeatability | ≤0.2% |
| Accuracy | ≤0.5% |
| Thermal Conductivity Range | 0.015–400 W/(m·K) |
| Hot-Side Temp Control | RT–99.99 °C (0.01 °C resolution, ±0.2 °C accuracy) |
| Cold-Side Temp | Ambient |
| Test Area | 200 × 200 mm |
| Gap Adjustment | 0–50 mm |
| Corrosion Logger Sampling Interval | 1 min (min) to user-defined (max) |
| Resolution | 18-bit (1/262144) |
| Accuracy | ±0.2% F.S. |
| Operating Temp | −40–70 °C |
| Power Supply (Wired) | 10–32 VDC |
| Power Supply (Wireless) | 8.4 V Li-ion battery |
| Current Draw | 18 mA @ 24 VDC |
| Magnetic Analyzer Detection Range | 0.0001–0.0999% Fe-equivalent |
| Sensitivity | 0.0001% |
| Error | ≤±0.0005% |
| Repeatability | ≤0.0002% (95% confidence) |
| Coating Speed | 0–500 cm/min (infinitely variable) |
| Coating Thickness | 0.005–5 mm (adjustable) |
| Coating Precision | ±3 µm (with 3 µm blade) |
| Effective Coating Area | 300 × 450 mm |
| Motor Power | 48 W |
Overview
This integrated instrumentation package comprises ten rigorously engineered laboratory and field-deployable devices designed for environmental monitoring, materials characterization, process control, and quality assurance across industrial, regulatory, and research settings. The suite includes a dual-pump single-channel dust sampler (HFC-1A) operating on volumetric displacement principles compliant with ISO 7708 and GB/T 17061 for respirable and total particulate sampling; an oil-free diaphragm air compressor (HAD-KJ-BII) delivering contaminant-free gas per ISO 8573-1 Class 0 certification requirements for analytical instrumentation; an electric pressure-relief稀油 lubrication pump (AMO-IV-150S/3II) implementing programmable duty-cycle control for centralized lubrication systems in rotating machinery; a water immersion suspension moisture analyzer (HAD-100A) validated against LS/T 6103-2010 and LS/T 3705-2010 for non-oily cereal grains; an intelligent crude oil dehydrator (HXYTS-6) employing multi-stage thermal management, ultrasonic emulsion disruption, and active cooling to preserve light-end hydrocarbon integrity during dehydration; a plate-type thermal conductivity tester (HAD-PL200) conforming to GB/T 10295-2008 and ASTM C518-04 using calibrated heat flux transducers; a wireless inductive corrosion monitoring logger (HAD-M4000) supporting LoRa, 2.4 GHz ISM, and cellular (4G/5G) telemetry with audit-ready data logging; a square-format solid-phase extraction system (HACQ-12D) rated for sustained vacuum up to −96 kPa; a magnetic contaminant analyzer (HAD-G1) meeting JB/T 6570-2007 for trace ferromagnetic impurity quantification in abrasive and metallurgical powders; and a precision benchtop coating machine (HAD-29640) enabling repeatable thin-film deposition under controlled shear and dwell conditions.
Key Features
- HFC-1A dust sampler integrates two synchronized diaphragm pumps to eliminate pulsation-induced flow deviation, ensuring stable volumetric delivery across its 3–30 L/min range—critical for gravimetric PM10/PM2.5 collection per EPA Method IO-2.1.
- HAD-KJ-BII compressor incorporates dual-stage condensation and stainless-steel filtration to achieve ISO 8573-1 Class 0 compressed air, essential for GC-FID, AAS, and pneumatic control systems where hydrocarbon carryover must be eliminated.
- AMO-IV-150S/3II lubrication pump features microprocessor-based timing logic with independent run/idle intervals (2–999 s / 2–999 min), automatic pressure relief, thermal cutoff, low-oil alarm (visual + audible), and real-time fault diagnostics (ERL/ERO codes) aligned with ISO 1219-2 hydraulic circuit safety standards.
- HAD-100A moisture analyzer applies the water immersion suspension principle: sample buoyancy shift correlates directly with water content via Archimedean displacement—eliminating calibration drift associated with NIR or capacitance methods, particularly for heterogeneous grain lots.
- HXYTS-6 dehydrator implements adaptive thermal profiling: reduced ramp rates, triple-stage coolant circulation (Peltier + recirculated water), and bottom-heater modulation prevent volatilization loss and salt sintering—validated for API RP 45 and ASTM D4006 compliance in crude assay workflows.
- HAD-PL200 thermal conductivity tester utilizes WPY-series heat flux sensors (23.26 W/m²·mV sensitivity) with guarded hot-plate geometry, PC-controlled PID regulation, and automated report generation—including uncertainty propagation per GUM (JCGM 100:2008).
- HAD-M4000 corrosion logger provides 18-bit analog-to-digital conversion, timestamped event logging, configurable alert thresholds, and encrypted over-the-air firmware updates—designed for long-term deployment in offshore platforms, pipelines, and refinery wet gas systems.
- HACQ-12D SPE system employs stress-relieved acrylic construction certified for continuous −96 kPa operation, with uniform vacuum distribution verified per ASTM D6988-15 for reproducible elution kinetics and breakthrough volume consistency.
- HAD-G1 magnetic analyzer uses shielded Hall-effect sensing with auto-zero compensation and digital filtering to resolve sub-ppm ferrous contamination in SiC abrasives, Al₂O₃ refractories, and pharmaceutical excipients—traceable to NIST SRM 679.
- HAD-29640 coater delivers ±3 µm thickness repeatability via servo-controlled linear actuation, stainless steel doctor blade exchange capability, and programmable dwell time—supporting ASTM D823 and ISO 2808 film thickness validation protocols.
Sample Compatibility & Compliance
All instruments comply with applicable national and international standards governing performance, safety, and data integrity. The HFC-1A meets GB/T 17061-1997 for aerosol sampling instrumentation and is compatible with standard 37 mm and 47 mm filter cassettes (glass fiber, PVC, mixed cellulose ester). The HAD-100A is restricted to non-oily cereals (wheat, rice, barley, maize) per LS/T 6103-2010; oily seeds require solvent extraction pre-treatment. The HAD-PL200 accommodates rigid flat specimens 5–50 mm thick (e.g., insulation boards, ceramics, composites) conforming to GB/T 10295-2008 specimen geometry requirements. The HAD-M4000 supports IEC 61000-4-3 EMC immunity testing and operates within hazardous area classifications when paired with appropriate intrinsically safe barriers. The HAD-G1 requires homogenized powder samples ≤200 µm particle size for statistically representative magnetic susceptibility measurement. All electronic units incorporate CE-marked power supplies and meet RoHS 2011/65/EU material restrictions.
Software & Data Management
The HAD-PL200 thermal conductivity tester interfaces via USB 2.0 to Windows-based software enabling full test sequence automation, real-time thermal gradient visualization, uncertainty budgeting, and PDF/CSV export compliant with 21 CFR Part 11 Annex 11 requirements—including electronic signatures, audit trails, and role-based access control. The HAD-M4000 logger stores 32,768 timestamped readings locally and transmits encrypted payloads to cloud-hosted dashboards (MQTT/HTTPS) with TLS 1.2 encryption and configurable retention policies. Firmware updates are digitally signed and validated prior to installation. The HXYTS-6 dehydrator logs all operational parameters (temperature ramps, cooling stage activation, pressure events) to internal flash memory with optional RS-485 Modbus RTU output for SCADA integration. No proprietary cloud accounts or vendor lock-in apply; raw data formats are documented and human-readable.
Applications
These instruments serve cross-sectoral QA/QC and R&D functions: the HFC-1A supports occupational hygiene assessments in mining and foundry environments per OSHA Z-1 and ISO 9001 clause 8.2.4; the HAD-KJ-BII supplies carrier gas for environmental air monitoring stations and clinical breath analyzers; the AMO-IV-150S/3II maintains bearing reliability in wind turbine gearboxes and conveyor drives; the HAD-100A enables rapid lot-release decisions at grain elevators and milling facilities; the HXYTS-6 ensures representative crude assays for custody transfer and refining feedstock optimization; the HAD-PL200 validates thermal barrier coatings in aerospace component qualification; the HAD-M4000 monitors under-deposit corrosion in heat exchanger tubing and firewater piping networks; the HACQ-12D accelerates pesticide residue analysis in food safety labs accredited to ISO/IEC 17025; the HAD-G1 verifies magnetic cleanliness of tungsten carbide tooling powders prior to sintering; and the HAD-29640 facilitates electrode slurry coating development for lithium-ion battery pilot lines.
FAQ
Does the HFC-1A require calibration traceable to NIST standards?
Yes—flow calibration must be performed annually using a primary standard rotameter or bubble meter certified to ISO/IEC 17025 by an accredited laboratory.
Can the HAD-100A measure moisture in roasted coffee beans?
No—roasted coffee contains volatile oils that violate the non-oily sample requirement of LS/T 6103-2010; Karl Fischer titration is recommended instead.
Is the HAD-M4000 suitable for submerged underwater deployment?
No—it is rated IP65 for splash resistance only; submersion requires custom housing and pressure-compensated sensor variants.
What is the maximum allowable sample thickness for the HAD-PL200?
50 mm—exceeding this risks lateral heat loss and violates the one-dimensional steady-state assumption required by ASTM C518-04.
Does the HAD-G1 provide elemental identification of magnetic species?
No—it reports total magnetically susceptible mass as Fe-equivalent percentage; XRD or SEM-EDS is required for phase-specific identification.
