JianHu JH-Series High-Low Temperature Environmental Test Chamber
| Brand | JianHu |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor & OEM Partner |
| Country of Origin | China |
| Model | JH-Series (Customizable Hand-Operated Configuration) |
| Price Range | USD 1,400 – 45,000 (FOB Shanghai) |
| Temperature Range | −70 °C to +150 °C |
| Refrigeration Method | Dual-Stage Mechanical Compression System |
| Temperature Fluctuation | ±0.5 °C (at setpoint, steady-state) |
| Temperature Uniformity | ±2.0 °C (within working chamber) |
| Temperature Deviation | ±2.0 °C (vs. reference sensor per IEC 60068-3-5) |
| Ramp-Up Time | ≤60 min (−70 °C to +150 °C, empty chamber) |
| Ramp-Down Time | ≤45 min (25 °C to −40 °C), ≤60 min (25 °C to −70 °C), ≤80 min (25 °C to −70 °C with full thermal load) |
| Internal Chamber Dimensions | Custom-configurable (standard range: 100–1000 L |
Overview
The JianHu JH-Series High-Low Temperature Environmental Test Chamber is an engineered precision platform for accelerated environmental stress testing of electronic components, automotive modules, aerospace subsystems, and medical devices. Based on the fundamental principles of convective heat transfer and closed-loop PID-controlled refrigeration/heating dynamics, the chamber delivers stable, repeatable, and traceable thermal profiles across its full operational range (−70 °C to +150 °C). Its dual-stage mechanical compression refrigeration system—integrated with high-efficiency finned-tube heaters and optimized air circulation architecture—ensures rapid thermal transition while maintaining strict compliance with IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), and MIL-STD-810H Method 502.7. Designed for laboratory, QC, and reliability engineering environments, the JH-Series supports both static temperature exposure and programmable ramp-hold cycles, serving as a foundational tool in HALT/HASS development, qualification testing, and long-term stability assessment.
Key Features
- Robust stainless-steel inner chamber (SUS304) with seamless welded construction and electrostatically applied epoxy-coated outer shell for corrosion resistance and structural integrity
- Intelligent dual-loop temperature control system featuring independent sensors for chamber air and test specimen surface monitoring (optional RTD or thermocouple input)
- Explosion-proof variants available with certified ATEX Zone 1/21 or IECEx certification for hazardous area operation (gas/dust environments)
- Real-time data logging at configurable intervals (1–60 sec) with onboard non-volatile memory (≥100,000 data points) and USB export capability
- Compliance-ready architecture supporting audit trails, user-level access control (admin/operator/guest), and optional 21 CFR Part 11–compliant software add-ons
- Modular design enabling field-upgradable features including humidity integration (for combined temp/humidity chambers), Ethernet/IP connectivity, and remote monitoring via Modbus TCP or MQTT
Sample Compatibility & Compliance
The JH-Series accommodates diverse sample geometries—from PCB assemblies and battery packs to optical sensors and polymer encapsulants—via standardized mounting rails, adjustable shelves, and optional through-wall ports (6–50 mm diameter) for external cabling or instrumentation feedthrough. All standard configurations meet ISO/IEC 17025 calibration traceability requirements when paired with accredited third-party verification. The chamber’s thermal performance is validated per IEC 60068-3-5 (methodology for uniformity and stability assessment) and ASTM E145-22 (specification for gravity-convection and forced-air ovens). For regulated industries, optional documentation packages include IQ/OQ protocols aligned with GMP Annex 15 and GLP principles, as well as factory calibration certificates traceable to NIM (National Institute of Metrology, China) standards.
Software & Data Management
JianHu’s proprietary ChamberControl™ v4.2 software provides intuitive graphical programming of multi-segment temperature profiles—including linear ramps, dwell steps, and cyclic sequences—with real-time visualization of chamber status, deviation alarms, and event-triggered data capture. Export formats include CSV, PDF test reports (with digital signature support), and XML for LIMS integration. Optional cloud-based FleetMonitor™ enables centralized supervision of multiple chambers across geographically dispersed sites, with role-based dashboards, predictive maintenance alerts (based on compressor runtime and pressure differential trends), and automated report generation compliant with ISO/IEC 17025 clause 7.8.2. All firmware and software updates are delivered via secure HTTPS with SHA-256 signature verification.
Applications
- Electronics reliability validation: Battery thermal runaway screening (UN 38.3 thermal test), display panel low-temperature response latency, and SoC thermal throttling behavior under sustained load
- Automotive component qualification: ECUs, ADAS sensors, and EV power electronics per ISO 16750-4 and LV-124 thermal shock requirements
- Pharmaceutical packaging stability: Accelerated aging studies of blister packs and cold-chain transport containers under ICH Q1A(R2) guidelines
- Aerospace material testing: Composite curing simulation, sealant adhesion retention, and optical window thermal distortion analysis per SAE AS4792
- Academic research: Polymer crystallinity kinetics, phase-change material hysteresis mapping, and nanomaterial thermal conductivity correlation studies
FAQ
What standards does the JH-Series chamber comply with by default?
The base configuration meets IEC 60068-2-1, IEC 60068-2-2, and GB/T 10589–2008. Optional certifications include ATEX, IECEx, UL 61010-1, and CE marking with EMC Directive 2014/30/EU conformity.
Can the chamber be integrated into an existing MES or PLM system?
Yes—via Modbus TCP, OPC UA (add-on license), or RESTful API endpoints. Pre-built connectors are available for Siemens Opcenter, PTC ThingWorx, and Rockwell FactoryTalk.
Is on-site installation and IQ/OQ validation included in the quotation?
Standard delivery includes factory calibration and electronic documentation. On-site installation, commissioning, and formal IQ/OQ execution are available as billable services with certified engineers (ISO/IEC 17025 accredited partners).
What is the typical lead time for custom chamber configurations?
Standard models ship within 4–6 weeks. Chambers with explosion-proof enclosures, humidity integration, or non-standard internal dimensions require 10–14 weeks from PO confirmation and final technical review.
Does JianHu provide extended warranty or service contracts beyond the standard 12-month coverage?
Yes—comprehensive 3-year and 5-year GoldCare™ service agreements include biannual preventive maintenance, priority remote diagnostics, spare parts lock-in pricing, and guaranteed 48-hour onsite response for critical failures.
