Jinhoo JH Series High-Temperature Forced-Air Circulating Oven | Precision Forced-Air Oven | Electrically Heated High-Temperature Furnace | Air-Exchange Aging Test Chamber
| Brand | Jinhoo |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JH |
| Pricing | Upon Request |
Overview
The Jinhoo JH Series comprises four functionally distinct thermal test systems engineered for laboratory and industrial quality control environments: (1) a high-temperature forced-air circulating oven (up to 450 °C), (2) a precision-grade forced-air oven (up to 260 °C), (3) an electrically heated high-temperature furnace (up to 1100 °C, with optional variants to 1600 °C), and (4) an air-exchange aging test chamber compliant with UL standards for polymer and elastomer evaluation. All units operate on convection-based thermal transfer principles—either forced horizontal airflow (ovens), radiant + natural convection (furnace), or controlled volumetric air exchange (aging chamber). These instruments are designed to meet the thermal stability, repeatability, and safety requirements inherent in ASTM D573, ISO 188, UL 1581, and IEC 60811 test protocols, supporting pre-conditioning, annealing, ashing, sintering, vulcanization, and accelerated aging workflows under GLP-aligned operational conditions.
Key Features
- High-Temperature Oven: Stainless steel (SUS304) interior chamber; SECC cold-rolled steel exterior with electrostatic powder coating; dual-stage PID + SSR temperature control with real-time PV/SV digital display; independent over-temperature cut-off relay and self-diagnostic circuitry.
- Precision Oven: Upgraded high-temp long-shaft motor coupled with multi-blade impeller; optimized horizontal airflow path ensuring ±1.5 °C uniformity across working volume at 260 °C; optional LED timer (999-minute range, hh:mm:ss programmable).
- High-Temp Furnace: Ceramic fiber insulation with high-purity alumina ceramic plate lining; rapid ramp/soak capability; gas inlet/outlet ports (N₂, Ar, air) for inert or reactive atmosphere processing; integrated thermocouple feedback loop compatible with Type K sensors.
- Aging Chamber: Sealed double-wall construction with mineral wool insulation; calibrated air exchange rate monitoring via integrated watt-hour meter; UL-compliant airflow ducting and thermal shielding for rubber/plastic specimens per UL 1581 Section 1060.
Sample Compatibility & Compliance
The JH Series accommodates diverse sample geometries—including petri dishes, crucibles, wire spools, molded elastomer strips, and PCB substrates—within standardized chamber volumes (standard internal dimensions: 450 × 450 × 450 mm, customizable). All ovens and furnaces conform to IEC 61000-6-3 (EMC) and IEC 61000-6-2 (immunity) standards. The aging chamber satisfies UL 1581 Clause 1060 for air exchange aging and supports ASTM D865–22 (rubber degradation testing). Temperature uniformity is validated per ISO 17025-accredited procedures using NIST-traceable Class A PT100 probes. Optional calibration certificates (as-tested or as-left) are available upon request for GMP/GLP audit readiness.
Software & Data Management
While the base configuration employs standalone microprocessor-based controllers, optional RS485/Modbus RTU interface enables integration with LabVIEW, SCADA, or MES platforms for centralized parameter logging and alarm event capture. All models support time-stamped temperature profiling (via optional external data logger), with traceability features aligned with FDA 21 CFR Part 11 requirements when paired with validated third-party software. Audit trails include operator ID, setpoint changes, alarm triggers, and power-on/off timestamps—retained for ≥18 months in non-volatile memory.
Applications
- Materials Science: Thermal gravimetric analysis (TGA) pre-treatment, binder burnout, ceramic sintering, metal annealing, and polymer cross-linking studies.
- Electronics Manufacturing: PCB moisture removal, solder paste drying, component pre-baking prior to reflow.
- Automotive & Aerospace: Accelerated aging of seals, gaskets, and composite laminates per SAE J2236 and Boeing BMS 7-117.
- Pharmaceutical QA: Residual solvent removal from active pharmaceutical ingredients (APIs), excipient drying per USP .
- Academic Research: Kinetic modeling of oxidation reactions, catalyst activation, and phase transformation kinetics under controlled thermal gradients.
FAQ
What is the maximum allowable operating temperature for each model?
The high-temperature oven operates up to 450 °C; the precision oven up to 260 °C; the electric furnace up to 1100 °C standard, with extended-range configurations available to 1600 °C. The aging chamber is rated to 260 °C.
Are temperature uniformity specifications documented per ISO 17025?
Yes—uniformity validation reports (including probe layout, dwell time, and deviation mapping) are generated using accredited third-party calibration labs upon customer request.
Can the aging chamber be configured for continuous air exchange rate monitoring?
Yes—the built-in kWh meter provides real-time energy consumption data, enabling calculation of volumetric air exchange constant (AEC) per UL 1581 Annex D.
Is the furnace suitable for vacuum or controlled-atmosphere operation?
Standard units include gas inlet/outlet ports for ambient-pressure inert or reactive gas purging. Vacuum compatibility requires optional flanged viewport and vacuum-rated door seal upgrades.
Do these instruments support remote monitoring via Ethernet or Wi-Fi?
Base models do not include network connectivity; however, the RS485 Modbus interface allows connection to industrial gateways for cloud-based telemetry when integrated into existing facility infrastructure.
