Our goal in the development of the Platinous has always been to achieve optimum ease of operation, safety and environmental friendliness in addition to offering outstanding performance and reliability
Temperature（&Humidity）Chamber www.hongzhan.com.hk
About
Reliable core technology
Our goal in the development of the Platinous has always been to achieve optimum ease of operation, safety and environmental friendliness in addition to offering outstanding performance and reliability. The Platinous K Series thus embodies a design concept featuring energy conservation, use of HFC, improved energy-saving and maintainability as well as better recycling of materials after disposal in comparison to the conventional chambers.
Meeting International Standards
All our products are developed to meet main International standards such as IEC, MIL, JIS, etc.
Platinous design rewarded
The Platinous K Series received the 19th Excellent Energy-Saving Equipment Award in 1985 from the China Machinery Federation.
（PL-2K （H）, 3K （H） and 4K （H））
Specifications | Model | Temp. & Humid. range | Inside / Outside dimensions （mm） | Instrumentation | | HPH-1K | +10 to +100ºC/ 60 to 98%rh
（+50 to +212F） | W500 x H600 x D400
W910 x H1440 x D773 | Q8-901 instrumentation | | HPH-2K | W500 x H750 x D600
W910 x H1590 x D973 | | HPH-3K | W600 x H850 x D800
W1010 x H1690 x D1173 | | HPH-4K | W1000 x H1000 x D800
W1410 x H1840 x D1173 | | HPR-1K[H] | -20 to +100ºC [+150ºC] / 20 to 98%rh
（-4 to +212F [+302F]） | W500 x H600 x D400
W910 x H1440 x D773[795] | Q8-901 instrumentation | | HPR-2K[H] | W500 x H750 x D600
W910 x H1590 x D973[995] | | HPR-3K[H] | W600 x H850 x D800
W1010 x H1690 x D1173[1195] | | HPR-4K[H] | W1000 x H1000 x D800
W1410 x H1840 x D1173[1195] | | HPL-1K[H] | -40 to +100ºC [+150ºC] / 20 to 98%rh
（-40 to +212F [+302F]） | W500 x H600 x D400
W910 x H1440 x D773[795] | Q8-901 instrumentation | | HPL-2K[H] | W500 x H750 x D600
W910 x H1590 x D973[995] | | HPL-3K[H] | W600 x H850 x D800
W1010 x H1690 x D1173[1195] | | HPL-4K[H] | W1000 x H1000 x D800
W1410 x H1840 x D1173[1195] | | HPSL-2K[H] | -70 to +100ºC [+150ºC] / 20 to 98%rh
（-94 to +212F [+302F]） | W600 x H850 x D600
W1010 x H1690 x D1173 | Q8-901 instrumentation | | HPSL-4K[H] | W1000 x H1000 x D800
W1410 x H1855 x D1493 | | HPU-1K[H] | -40 to +100ºC [+150ºC]
（-40 to +212F [+302F]） | W500 x H600 x D400
W910 x H1440 x D773[795] | Q8-901 instrumentation | | HPU-2K[H] | W500 x H750 x D600
W910 x H1590 x D973[995] | | HPU-3K[H] | W600 x H850 x D800
W1010 x H1690 x D1173[1195] | | HPU-4K[H] | W1000 x H1000 x D800
W1410 x H1840 x D1173[1195] | | HPG-2K[H] | -70 to +100ºC [+150ºC]
（-94 to +212F [+302F]） | W600 x H850 x D600
W1010 x H1690 x D1173 | Q8-901 instrumentation | | HPG-4K[H] | W1000 x H1000 x D800
W1410 x H1855 x D1493 | |
Features
- Highly accurate temperature and humidity control over an extended range
The refrigeration system, equipped with an electronic auto-expansion valve, achieves high-precision single step control of the temperature and humidity from +10ºC for the temperature, and from 20%rh for the humidity （from +70ºC to +85ºC）. - Prevention of condensed water droplets from the wick pan
The arm and drain of the wick pan are integrated to prevent any condensation contained in the wick pan to drip. The wick pan is featuring an automatic water feed system which reduces risks of spatters resulting from pressure fluctuations. - Space-saving vertical exhaust system （air-cooling system）
Heat from the refrigerator is vertically expelled through a port mounted on the ceiling, which allows saving space usually required behind the equipment. - Large viewing window
- Cartridge tank water supply system
- Possibility to choose between T- or P-instrumentation according to customer needs
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Environmentally-friendly design
- Refrigeration system reducing power consumption by 30%
We have developed an original refrigeration capacity control system which uses a rotary compressor, inverter control and automatic electronic expansion valve to adjust the refrigerant flow rate. With this system, power consumption can be reduced by 67% in comparison to our previous system, thus providing greater energy savings. | |
- Easy recycling
Plastic molded components are labeled and easily detachable to make recycling easier for future disposal of the equipment. | - Recyclable resin
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- Use of ODP （Ozone Depletion Potential） zero HFC to protect the environment
The refrigerant used for the refrigerator is HFC-404A, which causes no damages to the ozone layer. （Compliance with environment protection measures of the Montreal Protocol） | |
Options
- Cable port
- Cable port plug
- Reach-in ports
- Inner door with reach-in ports （with / without viewing window）
- Inner door without reach-in ports （with / without viewing window）
- Precision inner chamber
- Stainless steel evaporator
- Floor load resistance
- Additional shelf and shelf brackets
- Load resistance shelf
- Specimen basket
- Water-cooling modification （PSL 3, 4 / PG 2, 4）
- Defrost circuit
- Frost-free circuit
- Operating panel cover
| - Temperature attainment output
- Humidifier delay control
- Integrating hour meter with reset
- Time up output
- Additional relay contact
- Paperless recorder
- Temperature recorder
- Temperature and Humidity recorder
- Temperature recorder for future installation
- Temperature and humidity recorder for future installation
- Temperature sensor terminal
- Thermocouple
- Water purifier （WS-1）
- Water supply unit （B, C, D）
- Additional water supply tank
- Additional overheat protector
| - Overcool protector
- Filter clogged alarm
- Trouble buzzer
- Rotating type warning signal light
- External alarm terminal
- Emergency stop switch
- Communication function
- Dual communication logger
- Communication function cable / cable extension
- Voltage modification
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