Fisher Scientific Dual Thermometer 15-077-26, used

Description

Well-used Fisherbrand or Fisher Scientific Dual Thermometer 1
5-077-26 and accessories
Description
(from the Fisher website)
Fisher Scientific™ Traceable™ Double Thermometer Monitors two Type-K probes on separate channels. Jumbo 1.37 in.H (3.5cm) LCD displays temperature of both probes simultaneously, or the temperature of one probe and the difference between probes. Dual readings displayed with the temperature of probe 1 in 0.5 in. (1.3cm) digits stacked over that of probe 2 (or the T1-T2 differential) in 0.25 in. (0.6cm) digits.
Includes switch-selectable Celsius and Fahrenheit scales; operates over a wide range of -50 to +1230°C and -50 to +199°F
Resolution: 0.1° below 199.9°C/°F and 1° over 200°C/°F
Accuracy: ±0.75% plus 1°C (±0.75% plus 2°F)
Housed in durable, impact-resistant ABS plastic case
Features maximum, minimum and average memory recalls
HOLD button to freeze display and capture reading
Serial RS-232 port connects thermometer to computer or datalogger for data collection
Specific to the unit being sold:
All features work as described.
This unit has been used in the field powered with a 120 volt AC to DC adaptor, inlcuded (see photo).  The unit can also be powered via a 9 V battery (included).
The unit has a serial RS-232 port to connect the thermometer via a  custom-made USB connection to a computer or datalogger for data collection (connectiion cables included).
The unit also includes two Type-K thermocouple probes, see photos (one blue, one yellow).
Let me know if there are any questions.