9300A Temperature Controlled Air Bath

Temperature Controlled Standard Resistor Air Bath with GPIB

  • Volume 106 Litres
  • Temperature Range 15 °C to 40 °C
  • Stability ± 0.005 @ 23 °C
  • Peltier Cooled
  • Fast Heating/Cooling Rate
  • Stainless Steel Construction
  • Perfect for Temperature Coefficient Measurements
  • Large Working Area (4 SR104s)
  • Temperature Band Protection
  • IEEE-488
  • Interfaces to 6010, 6242 & 6000B for Automatic Measurements of Temperature Coefficients Using MI Software
Features & Benefits

The model 9300A series of Temperature Controlled Chambers is designed as a convenient and inexpensive way to maintain the temperature of air resistors in the calibration laboratory. It is large enough to house several standard air resistors and features two adjustable shelves to permit easy access to the standards. The shelves are easily removable.

Easy access to the inside of the chamber is achieved through the conveniently mounted front door. Resistor leads are brought into the chamber through a small, insulated opening in the rear of the unit. The integrated control unit adds convenience as it eliminates a separate controller unit. Temperature control is located inside the chamber. A keyboard control can be used to set the individual temperatures between 15 °C and 40 °C, or the temperature may be set over the GPIB.

Cooling and heating for the chamber are provided for by a thermoelectric Peltier element using internal thermistors as sensing elements. Internal fans are used to move the air inside the chamber to provide for better temperature stability and uniformity while maintaining a quiet operation. The internal temperature is shown on an external display located on the front of the chamber.

The Over Temperature Protection (OTP) has 4 selectable ranges.

Specifications
9300A 9300L 9300
External Dimensions
(L × W × H)		 432 × 660 × 940 mm 700 × 875 × 1300 mm 527 × 451 × 711 mm
Internal Dimensions
(L × W × H)		 330 × 510 × 630 mm 410 × 570 × 810 mm 356 × 330 × 610 mm
Volume (L) ~ 106 ~ 190 ~ 50
Temperature Range (°C) +15…+40 +15…+50 +15…+35
Temperature Display
Resolution (°C)		 0.001 0.001 0.1
Temperature Set
Resolution (°C)		 0.001 0.01 0.1
Temperature Stability (°C) ±0.005 @ 23 °C ±0.005 @ 23 °C ±0.050 @ 23 °C
Temperature Uniformity (°C) ±0.01 @ 23 °C
±0.05 @ 15 °C
±0.10 @ 35 °C		 ±0.02 @ 23 °C
±0.08 @ 15 °C
±0.20 @ 35 °C		 ±0.1 @ 23 °C
±0.2 @ 15 °C
±0.3 @ 35 °C
Heating Rate ~ 100 min
(+15 °C…+40 °C)		 ~ 145 min
(+15 °C…+50 °C)		 ~ 200 min
(+15 °C…+35 °C)
Cooling Rate ~ 100 min
(+40 °C…+15 °C)		 ~ 160 min
(+50 °C…+15 °C)		 ~ 200 min
(+40 °C…15 °C)
Temperature Control PID Cascade PID PID
Power Supply 100 – 240 V
50/60 Hz		 230 V 50/60 Hz
(± 10 %)		 85 – 265 V
47/63 Hz
Wattage (W) 300 200 100
Interface GPIB RS232
(USB or Ethernet
as Option)		 None
Shelve 2 2 2
Access Port 1 × 50 mm Dia 2 × 50 mm Dia 1 × 50 mm Dia
Weight (Kg) ~ 73 ~ 150 ~ 22
Ordering Information
Description Part No.
Air Bath 9300L 9300L
USB Interface MI 1466
Ethernet Interface MI 1716
Shelve 9300L MI 1727
Access Port w. Plug 0 50 mm MI 608
Password Protection MI 1718
Evaluation Report MI 1719
Evaluation Report C (Accredited ISO/IEC
17025:2017)		 MI 1777
TK-Tool (Monitoring and Data
Collection Software)		 MI 104
Trolley for 9300L MI 2612

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