4.10. CABLE PORT

One or two cable portis are fitted to the left hand side of the cabinet to enable wiresAeads etc to pass into and out of the cabinet. The port has two plugs, one inside, one outside the cabinet and both plugs must be fitted when the cabinet is in operation to maintain the cabinets excellent insulation. The plugs can be slit or holes bored to enable wiresAeads to pass through the port. WiresAeads should enter the cabinet via the top of the outside plug and the bottom of the inside plug to prevent condensation accumulating between the plugs. Extra or replacement plugs can be obtained, see PART NUMBERS

4.11. VENT

An air vent is situated at the rear of the cabinet. The hole in the vent must always be kept clear as it prevents pressurisation of the cabinet.

4.12. GLASS INNER DOOR

When fitted, a glass inner door enables observation of the test without unduly disturbing the cabinet's climatic conditions. The door is held closed by sash fasteners which should be hand tight and not forced.

If the test load dissipates heat, the glass door must be protected from absorbing heat by radiation effect, see section 3.8 Test load protection.

4.13. RS232 CONNECTOR

On the right hand side of the instrument compartment is the 25 pin "D" type RS232 serial communications connector of the Format 550 programmer. Further details of the pin connections are given in Part 2 of this manual.

4.14. SAFETY THERMOSTAT

A factory preset safety thermostat is fitted inside the instrument compartment to protect against overheating of the cabinet in the event of failure of the temperature control system.

The thermostat is set to a temperature 10°C above the maximum operating specification of the cabinet. The thermostat must not be reset.

Should the cabinet air temperature exceed that set on this thermostat it will cause the cabinet to fail-safe, i.e. shutdown automatically.

N.B.this thermostat monitors the cabinet only - see also 4.9 - Test load protection.

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Sanyo 550 instruction manual Cable Port, Vent, Glass Inner Door, 13. RS232 Connector, Safety Thermostat

550 specifications

The Sanyo 550 is a remarkable piece of technology, encapsulating innovative features and advanced characteristics that cater to a variety of users. This device, designed with meticulous attention to detail, is particularly renowned for its versatility and user-friendly interface.

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