Features:
Hold
°F/°C Display
Min/Max Reading
Store
Delta T
RS-232 Serial Port
Function Keys
Three Decimal Place Mode

Specifications:
Instrument Accuracy:
0 to 70 °C. : ± 0.025
-20 to 125 °C. : ± 0.050
-40 to 150 °C. : ± 0.150

System Accuracy with YSI 400 Series Probes:
-40°C: ±0.350°C
0 to 50°C: ±0.115°C
70°C: ±0.125°C
100°C: ±0.275°C
150°: ±0.720°C
Note:  Probe accuracy only valid within the stated temperature range of the probe.

Display:
LCD 4 1/2 digit 0.6” high.
Function icons.

Power:
9 volt Alkaline battery or external 12 VDC.
Battery life 25 hours, typical; 15 with RS-232.

Reading Rate:
2 per second (update every 524 milliseconds)

Over Range Indication:
LCD shows LO or HI

Maximum Meter Range:
-40° C to 150° C and -40° F to 299° F

Resolution:
0.001° C. step change.

Operating Conditions:
Temperature 0° C to 45° C
Humidity 0 to 85%

Model 4600 Series Ultra-High Accuracy hand-held Thermometers take metrology-level temperature measurement to the laboratory, the production floor, and the field. The 4600 series thermometers accept a wide range of plug-in probes.