These Chambers are available in standard & GMP Versions.


  • Microprocessor PID control / Shaking speed calibration.
  • Brushless induction motor with variable frequency drive suitable for continuous operation.
  • Step-less variable frequency drive ensures gentle shaking start and maintains set speed.
  • The counter balanced mechanism for high stability in an uneven load of different-sized flasks.
  • Universal shaking plate form to accommodate different-sized assorted flasks.
  • Wide speed range even with heavy. workload.
  • Competitive high shaking speed up to 250 rpm optional 300 or 350 rpm.
  • Equipped with a maintenance-free BLDC motor to generate smooth, quiet, uniform, and yet powerful shaking motion.
  • Best effort run function intelligently manages its rpm to keep shaking even workload is out of its capacity.
  • Pleasant test environment by the smooth acceleration and deceleration control.


      • Instrument filled CFC Free PUF Insulation to eliminate void pockets.
      • Unique design of thermal barrier for better energy efficiency.
      • Heating by long SS tubular heaters.
      • Additional tray to storage samples.
      • Chamber calibration ports on side.
      • Hermetically sealed compressor with CFC free refrigeration.
      • Microprocessor controller with all parameter show on display.
      • High temperature safety cut off & alarms for high/low set temperature.
      • Electrical circuit breaker.
      • Time delay of compressor unit switch ON.
      • Overload cut off relay for compressor.
      • Weight tray capacity of each tray: 30 kg approx on uniform distribution.
      • Auto door closed alarms.


Model QST-IS-1212C QST-IS-1818C QST-IS-2222C QST-IS-2626C
Temperature Range Ambient+5°C to 60°C optional to 100°C
Environment Cooling and Heating
Shaking Platform Size 12" x 12" 18" x 18" 22" x 22" 26" x 26"
Flask Capacity 250ml x 9 250ml x 16 250ml x 25 250ml x 36
500ml x 4 500ml x 16 500ml x 25 500ml x 36
1000ml x 4 1000ml x 9 1000ml x 16 1000ml x 25
Shaking Speed 0 to 250 rpm (±1 rpm) optional 300 or 350
Shaking Amplitude 25 mm
Shaking Movement Orbital
RPM Display LCD Display
RPM Controller Microprocessor Base
Exterior Powder Coated steel Sheet
Interior Stainless Steel 304
Insulation PUF Insulation
Air circulation Motor driven Blower
Heater Tubular air Heaters
Temperature Controller Microprocessor PID controller, Display of SV & PV
Temperature Sensor PT100
Door Solid door with magnetic rubber gasket & observation window
Illumination LED Light
Tray Removable Tray
Power 220 Volts/50 Hz


  • Automatic run after power interruption. Shaking speed deviation alarm.
      • Over-current protection, Stalled platform check.


Basically constructed out of G.l. Sheet duly epoxy painted powder coated. The Inner chamber is made of Stainless steel 304.

  • Inner Chamber construction made of stainless steel sheet 304.
  • Outer wall made of mold steel duly Painted.
  • Circulating Fan 2 NOS. fitted inside the chamber.
  • Powder Coating exterior is beautiful, Durable & corrosion resistant.


  • IQ, OQ, PQ
  • Calibration certificates
  • Operations & maintenance manuals
  • GA & Electrical drawings
  • Material test certificates Training to end- users


Each unit is factory tested to meet inter-national guidelines and dispatched in ready-to-plug-in condition. Quest Scientific testing services are available to assist you in routine maintenance and revalidation.