Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C, 47500 Subang Jaya, Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+60122185651 (Enquiry)
+60162233687 (Vacancy)

Table Top Temperature and Humidity Test Chamber

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Table Top Temperature and Humidity Test Chamber Environmental Test Chamber Laboratory Equipment Facility

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If you are looking for small temperature and humidity chamber in order to for space saving solution and still have all the capabilities of large chamber performance, these are the model series for you.

MERIDIAN Bench Top temperature & humidity chamber series provides an economical and space-saving solution for a variety of testing requirements. It able provide a wide range of temperature from -70°C to 150°C with excellent temperature uniformity.

Complies to national and international standards: IEC 60068-2-1-1990, IEC 60068-2-2-1974, IEC60068-2-30-2005.

Features of the Chamber
Constructional Features
  • The whole chamber is solid and beautiful
  • Imported Stainless steel interior. Good durability exterior construction color coated steel plate exterior or stainless steel exterior. One adjustable stainless steel shelf
  • One 50mm diameter cable port, centered in the left wall (additional ports optional)
  • Two stainless steel shelf with adjustable support rails
  • High performance and quite operation
  • Imported parts like temperature controller, compressor, breaker, motors I chamber, overload relay, thermal overload relay and etc. are imported
Easy to Install
  • The Bench Top models are small enough being placed underneath a bench top, or on top.
  • The smaller allow easy installation anywhere in the lab or office
User Friendly Design

Viewing window automatically prevents fogging:
  • Come with viewing window, vacuum tempered glass within transparent electric heat membrane to help keep condensation and frost clear. Provides great visibility into the chamber
  • Chamber light built into the window for easy viewing without glare
Easy to use Control System and Software
Superior Programmable Controller Model : TEMI880/TEMI990 is color touch screem made from Korea. With '2 in 1' function -Controller and Recorder function where the reading can be recorded and save. Displaying graphical programming patterns of both temperature and humidity that enable straight forward visual assessment of the response curves.

Improved programming and data collection via computer (Optional)
  • Standard USB port allow transfer of data to PC by Thum-drive for further analysis and management through software Data can be opened as a list excel spreadsheet or graph pattern, and can be used to check historical data

  • Direct distance link for support and maintenance from our manufacturer through internet connection function (optional monitoring link).
Most Efficient Safety Control System
  • Refrigeration system: compressor over heat protection, compressor over-current protection, compressor over-pressure protection, condenser fan over-heat protection, compressor lubricant oil low level
  • Test Chamber: Chamber over heat protection; fan and motor over heat protection, water level protection
  • Current leakage protection
  • Alarm, buzzer will alert user if error occurs
  • Indicator LED shown when malfunction occurred
  • If trouble occurs, the details, date and time of occurrence are displayed on the alarm screen
  • Door opening alarm (optional)

Cooling system is driven by France Compressor or Bitzer Compressor complete with evaporator, condenser, safety valves, and thermal protections. Rapid cooling with low noise, low vibration. Refrigerant used: R23, R404, R507 (ozone friendly refrigerant)

Working principle of refrigeration system

Heating by Nichrome Eletronic Heater
Heating system by Nichrome electronic heater, controlled by solid state relay, protected by over temperature switches
  • Thermocouple probe, fast response to temperature in range of -70°C to 150°C
  • Heating control by PLC controller/programmer based on PID feedback principle. Fast and precise control of temperature.

Temperature & Humidity Control Range

Good Air circulation system
Good ventilation system driven by low noise, powerful multi-wing turbine fan. Quick response to temperature changes, rapid cooling and maintains temperature uniformity and stability inside the chamber.

Cable Test hole standard diameter: 50mm or 100mm
diameter: 25mm, 150mm (optional)

We deliver custom-made chambers
We will meet your demands to design chamber with good performance according to customer standared and other special requirement.

Technical Specification of Chamber

  MRD-TH-40 MRD-TH-100 MRD-TH-64
Interior capacity (L) 40 100 64
Internal dimension W x H x D (mm) 300 x 300 x 400 400 x 500 x 500 400 x 400 x 400
External dimension W x H x D (mm) 540 x 1,200 x 900 640 x 1,400 x 1,000 640 x 1,300 x 900
Performance Temperature range -40°C ~ +150°C -65°C ~ +150°C -40°C ~ +150°C
Temperature fluctuation ±0.5°C
Temperature uniformity ±2.0°C
Temperature heat-up rate (<60 min) -40°C ~ +150°C -65°C ~ +150°C -40°C ~ +150°C
Temperature cool-down rate +20°C ~ -40°C
<60 min
+20°C ~ -60°C
<80 min
+20°C ~ -40°C
<60 min

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