ESPEC Safety Options

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Automatic Door Lock
Auto door lock and door switch

The automatic door lock option prevents operator access during chamber operation. This is a different function from the door switch or the reinforced door latch.

Chamber Door Switch
Auto door lock and door switch

This option stops the chamber operation if the door is opened. The chamber will not start with the chamber door open. It is useful if the testing may release noxious gases, so they are not blown into the room. It is also useful if the testing requires opening the door during cold temperatures, frosting of the cooling coil.

Fire Detection System
Fire detection sensor in the chamber

The fire detection system detects fire and shuts down the chamber. It includes a red alarm light and audible horn (extends approximately 11-inches above top of top of chamber).

Fire Suppression System
Fire Suppression Tank

The fire suppression system option suppresses fire with CO2 (or other gases)sprayed inside the chamber. It requires the fire detection system option, which is used to activate it.

Gas Monitor
Battery gas monitor

This option monitors the build-up of Hydrogen (H2) and/or Carbon Monoxide (CO) in the chamber during operation. It measures each gas in parts per million. The monitor has a “warning” level that starts the vent blower and lights an amber light for indication (if these options are purchased). If the level of gas increases, the monitor activates a “fault” level switch that stops the chamber and illuminates a red stack light.

Reinforced Door Latch
Battery door latch reinforced

The reinforced door latch option keeps the door closed if an pressure-event occurs.

Protects personnel by preventing the chamber door from opening during internal pressure-event, up to 1.4 psig. (Note: The latch may not prevent chamber damage.)

Product Drip Tray
Battery drip tray

The product drip tray option is a stainless steel removable tray that catches corrosive leaks that could damage the chamber.

Product Overheat Limit
Product overheat setting on console

The product overheat with product sensor option alarms and shuts down the chamber when test samples hit a user-set limit. It is helpful for monitoring for “thermal runaway” of battery cells.


Port Plug Restraint
Port plug restraint on 4-inch port

The port plug restraint option is a bracket to keep the port plug from flying out.

A removable vertical rod is placed across the port plug. The port plug restraint is mounted on the exterior of the chamber.

Pressure Relief Blow-out Port
Pressure relief port viewed from top of the chamber

The pressure relief blow-out port relieves instant pressure-events inside the chamber, activated at approx. 1.4psig. A flange is provided for use with a vent.

Spark Resistant Construction
Sheathed Heaters Close-up

The spark resistant construction option protects from igniting volatile gasses. All of the fan blades and motor ports are aluminum and the heaters are temperature-limited sheathed heaters.

The use of low-watt density sheathed heaters can reduce the temperature performance of the chamber. ESPEC will factory-set the heater limit temperature per the AIT of the substance being tested.


Chamber Ventilation Blower
Ventilation blower on chamber exterior

The ventilation blower with vent quickly purges the chamber with room air. It is activated manually or by a gas monitoring option. The blower is mounted on the left of the exterior, adding about 10-inches to the overall footprint.

Operation Light Tree

This warning light on top of the chamber shows its operational status. Green is operating, yellow is alarm (but running), and red is alarm with shut-down.