Overview

The Platinous Series environmental test chambers are engineered for high reliability, ease of operation, safety, and environmental sustainability. They emphasize energy efficiency, reduced maintenance, and use of recyclable materials, supporting diverse environmental testing needs.

1. Environmental and Energy Features

• Eco-friendly Design: Use of recyclable resin and clearly marked molded plastic parts facilitates recycling.
• Refrigerant System: Innovative refrigeration capacity control reduces power consumption by up to 67% compared to previous models.
• Refrigerant Type: Utilizes HFC refrigerants compliant with the Montreal Protocol to protect the ozone layer.
• Noise Reduction: Low-noise fans improve the installation environment.

2. Utility and Functionality

• Instrumentation Options: Two control systems available:
  • T-Instrumentation: Digital microcomputer control with large LED display for constant operation.
  • P-Instrumentation: 6.5-inch TFT color LCD with touch-key input supporting up to 20 program patterns (99 steps each), graphical program and trend displays, and comprehensive help functions.
• Product Variants: Includes low humidity chambers with rotary recovery dehumidification, clean chambers meeting Class 100 cleanliness, and ultra-view chambers with fully glazed doors for full interior visibility.
• Accessories: Wide range of optional accessories to meet diverse customer requirements.
• High-Precision Control: Electronic auto-expansion valve enables precise temperature and humidity control over wide ranges (temperature down to +10°C, humidity down to 20% RH at +70°C to +85°C).
• Viewing Window: Large flush-mounted windows with internal heating prevent fogging; improved lighting enhances visibility.
• Water Management: Cartridge and stationary water tanks with easy refill and monitoring; automatic water feed and drain systems reduce manual intervention and prevent splashes.
• Condenser Filter: Easily removable for cleaning (except model 4).
• Space-saving Design: Vertical exhaust system expels heat upwards, saving rear space; casters enable mobility.

3. Safety Features

• Door Lock Release: Model 4 includes internal door lock release handle for emergency exit.
• Self-Closing Prevention: Door hinges temporarily stop at 60° and 120° to prevent accidental closure.
• Electrical Safety: Water supply circuits are fully separated from electrical circuits to prevent hazards.
• Alarm Systems: Audible buzzer alerts if door is left half-open; multiple integrated safety devices and alarms.

4. Network and Data Management

• Ion Migration Evaluation: Compatible with ESPEC's AMI system for precise ion migration testing.
• Network System (E-PILOT 21): Optional software for remote management, monitoring, and data recording via computer.
• Paperless Recorder (Optional): Records temperature data on Compact Flash memory cards, eliminating paper use.

5. Programming and Operation Modes

• P-Instrumentation (Programming Mode): Touch-key input with 6.5-inch color LCD allows up to 20 program patterns with 99 steps each, including step insertion, copying, deletion, intermediate step start, alarm descriptions with corrective actions, trend graph display, and built-in timers for automatic start/stop.
• T-Instrumentation (Constant Operation Mode): Simple operation via eight keys and large 7-segment LED display; supports temperature and humidity settings, timers, and upper/lower limit alarms; includes safety functions like overheat protection.

6. Additional Features

• Enhanced lighting and large viewing windows improve test observation.
• Automatic water feed and drain reduce manual maintenance.
• Compact, mobile design with casters and vertical exhaust system.

Critical Parameters and Limitations

• Temperature control lower limit: +10°C.
• Humidity control lower limit: 20% RH at +70°C to +85°C.
• Power consumption reduced by up to 67% compared to previous models.

7. Chamber Models and Specifications

• PR Series: Temperature -20°C to +100/150°C; Humidity 20% to 98% RH; general environmental testing.
• PL Series: Temperature -40°C to +100/150°C; Humidity 20% to 98% RH; enhanced low temperature testing.
• PSL Series: Temperature -70°C to +100/150°C; Humidity 20% to 98% RH; ultra-low temperature testing.
• PH Series: Temperature +10°C to +100°C; Humidity 60% to 98% RH; high humidity testing.
• PU Series: Low temperature chamber -40°C to +100/150°C.
• PG Series: Ultra low temperature chamber -70°C to +100/150°C.
• PDR/PDL Series: Low humidity chambers with humidity 5% to 98% RH; temperature -20°C to +100°C or -40°C to +100°C.
• PCR Series: Clean temperature & humidity chambers with Class 100 cleanliness; temperature -20°C to +100°C; humidity 30% to 90% RH.

8. Safety Devices and Protections

• Leakage breaker, boil dry protector (except PU/PG), refrigerator overload relay, air circulator temperature switch (except PCR), SSR overload and short circuit protection, door switches, thermal fuses, control circuit protection fuses, specimen power supply control terminals, condenser fan overload relay, temperature and humidity limit alarms, burn-out circuit, watchdog timer, overheat protector, refrigerator high pressure switch, reverse prevention relay, compressor temperature switch, cooling box door switch (PU/PG), humidifier heater boil dry protector (PDR/PDL), air circulator overload relay (PDR/PCR), recovery heater overheat protector (PDR/PDL).

9. Model Classification and Nomenclature

• Temperature Range: Non (100°C spec), H (150°C spec).
• Instrumentation: P (Program operation), T (Constant operation).
• Capacity: 1 (120L), 2 (225L or 306L), 3 (408L or 312L), 4 (800L).
• Series Codes: R (-20 to +100°C / 20 to 98% RH), L (-40 to +100°C / 20 to 98% RH), SL (-70 to +100°C / 20 to 98% RH), H (+10 to +100°C / 60 to 98% RH), U (-40 to +100°C), G (-70 to +100°C), DR (-20 to +100°C / 5 to 98% RH), DL (-40 to +100°C / 5 to 98% RH), CR (-20 to +100°C / 30 to 90% RH, Cleanliness Class 100).

10. Operational Procedures and Recommendations

• Preconditioning chambers before testing to ensure stable baseline.
• Calibration of temperature and humidity sensors for accuracy.
• Regular maintenance schedules for reliability.
• Proper loading of test samples to avoid airflow obstruction and ensure uniform exposure.

11. Options and Customization

• Water Cooled Specification: Optional water-cooled condenser for specific models.
• Inner Door Options: Inner glass door for specimen observation without opening main door; four configurations available.
• Precision Internal Chamber: Aluminum box reduces air velocity (<0.5 m/s) and improves temperature (±0.5°C) and humidity (±2.5% RH) stability and uniformity.
• Cable Ports: Through-hole ports (25, 50, 100 mm) with rubber plugs for electrical cables.
• Reach-in Ports: Operation ports on door for specimen handling without opening door; number varies by model.
• Additional Options: Cable port rubber plugs, stainless evaporator (reduces contamination risk), reinforced shelves (up to 300 kg load), specimen baskets, defrost and frost-free circuits, filter clogged alarms, trouble buzzers and warning lights, external alarm terminals, emergency stop switches, operating panel covers, additional overheat and overcool protectors, time up outputs, additional relay contacts, water purifiers and suppliers, extra water tanks, paperless recorders, temperature attainment outputs, humidifier delay control, integrating hour meters, communication interfaces (E-BUS, GPIB, RS-232C), future installation preparations, power cord length options, thermocouples, and digital recorders.

12. Recommendations and Safety Notes

• When installing water-related options on upper floors, use water leak detectors to prevent damage.
• Adding inner doors affects temperature and humidity control times and uniformity.
• Respect shelf and floor load capacities to avoid damage.
• Stainless evaporator option may impact performance.
• Communication and recorder options require proper installation and compatibility.

Summary

The document comprehensively details the Platinous Series environmental test chambers, covering their advanced energy-saving refrigeration technology, precise temperature and humidity control, flexible programming, and extensive safety features. It outlines multiple chamber models tailored for various temperature and humidity ranges, including low and ultra-low temperature capabilities and clean room compatibility. Numerous customization options and accessories enhance functionality and adaptability to diverse testing requirements. Safety and environmental considerations are integral, with features such as ozone-friendly refrigerants, recyclable materials, and comprehensive protection mechanisms. Operational guidelines and technical specifications support effective, reliable, and safe use in laboratory and industrial environments.