Temperature recorders use pressure-sensitive chart paper (sold separately) and do not require inking

• A built-in surge suppressor is standard on Ultima II series models
• A freestanding surge suppressor is available for Elite® and Value series models
• Revco® ultra-low temperature freezers include one 2.5 cm (1") diameter pass-thru port
• Additional ports are available to provide openings for probes, cables, or leads

The remote alarm module in temperature recorder provides an audible and visual signal in the event of a temperature rise or power failure

Built-in backup systems are available on Ultima® II and Elite® models only; Value series models require a freestanding backup system. All Ultima® II, Elite®, and Value series 88L (3.1cu.ft.) –86°C models require a freestanding backup system as well.

A built-in surge suppressor is standard on Ultima II series models. A freestanding surge suppressor is available for Elite® and Value series models. Revco® ultra-low temperature freezers include one 2.5 cm (1") diameter pass-thru port. Additional ports are available to provide openings for probes, cables, or leads.

The deluxe electronic remote alarm can be programmed to sound an alarm in the event of a temperature increase or power failure. It is able to dial up to four telephone numbers and can monitor up to four individual freezers or up to three groups of freezers.