Overview
The Supco CR-87 temperature recorder is a professional-grade circular chart recorder that measures and records temperature data onto 6-inch paper charts with rugged reliability. The CR87 six(6) inch chart recorder series sets the standard for reliable and rugged trend reporting. The unit features microcontroller design and is well-suited for continuous monitoring in laboratories, refrigeration systems, warehouses, and environmental control applications.
Key Features
- Large LED display, microcontroller design, programmable speed and temperature ranges
- Free standing or wall mount, fold-out support stand, convenient folding handle
- Comes with 2 cartridge pens and 60 (6″ dia.) assorted charts
- Single or continuous chart rotation, battery backup, 12 volt operation
- Remote readings from up to 100 ft.
- Stainless steel tip submersible temperature sensor with 15 ft. of cable
Technical Specifications
- Chart Diameter: 6 inches
- Temperature ranges: -40°F to 30°F, -20°F to 50°F, 50°F to 120°F
- Temperature accuracy: ± 2 °F (± 1 °C)
- Chart Speed: Selectable 6 Hours, 24 Hours, 7 Days, 31 Day
- Chart Speed Accuracy: +/- 1%
- Operating Voltage: 110-120V, 50/60 Hz
- Battery Backup: 8 Alkaline “AA” cells (Not included)
- Display: 3-Digit LED
- Sensor Cable Length: 15 feet (extendable to 100 feet with optional extension)
Typical Applications
- Refrigerator and freezer temperature monitoring
- Laboratory environmental tracking
- Warehouse climate control documentation
- Accurately measure and record temperatures in air, gas, liquids, powders, solids, and semi-solids
- Automotive and marine temperature logging with 12V operation
- Compliance documentation and regulatory audits
Compatibility & Replacements
Compatible With
- Standard 110-120V AC power supply (50/60 Hz)
- Optional 220-240V AC models available
- 12V DC power for mobile/marine applications
- Standard 6-inch circular chart paper (included supply of 60 assorted charts)
- Stainless steel thermocouple/thermistor probes
Replaces / Drop-In Replacement For
- CR-87B (standard model with Fahrenheit range)
- CR-87BC (cold-box variant for freezer/refrigerator use)
- Earlier Supco analog chart recorders in the CR-87 family
Works With
- Supco application-specific recording chart library
- Standard ink pens and cartridge replacement supplies
- Optional remote sensor extension cables (up to 100 feet)
- Stainless steel submersible probes for process and environmental monitoring






