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Thermo Scientific™ Temperature/Power Monitors Available on GSA/VA Contract for Federal Government customers only.

Monitor freezer performance simply, accurately and economically with this self-contained temperature/power monitor.

Manufacturer:  Thermo Scientific™ 6899

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Catalog No. 13-992-87

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Monitoring freezer performance simply, effectively and economically with Thermo Scientific™ Temperature/Power Monitors, which provide both alarm/monitoring and digital temperature display in a single, self-contained unit.

  • Temperature range: -100° to +25°C
  • Probe size: 1.25L x 0.25 in. dia. (3.2 x 0.6cm)
  • Solid-state probes
  • High-temperature alarm with adjustable setpoint
  • Alarm mute and chirp
  • Audio delay timer
  • Remote alarm contacts (SPDT)
  • Battery backup
  • Low-voltage AC power supplys

Single-probe Digital Monitors:

  • 1 input channel
  • 1°C display and setpoint resolution
  • High-temperature alarm
  • Numeric-only LCD alphanumeric display
  • Red visual alarm
  • 8 ft. PTFE solid-state probe lead wire (24 gauge on 6899 model)
  • Velcro® mounting method
  • Case dimensions: 5L x 4.5W x 2 in.D (27 x 114 x 50mm)

Multiprobe Microprocessor-based Monitors:

  • 2 input channels (6900 model), 3 input channels (6901 model) or 4 input channels (6902 model)
  • 0.1°C display and setpoint resolution
  • High- and low-temperature alarm
  • 8-character, back-lit, adjustable LCD alphanumeric display
  • Visual alarm (Green = normal; Red = deviation)
  • 20 ft. PTFE color-coded, solid-state probe lead wire (24 gauge on 6899 model)
  • Standard alarm/battery test switch
  • Bracket mounting method
  • Case dimensions: 6.2L x 3.25W x 2 in.D (158 x 83 x 50mm)
Description & Specifications


8 ft. (2.4m) 24 gauge
Monitoring Freezer Temperature
Temperature/Power Monitors
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