Thermometers Comparison Table
	UT-ONE L01A	UT-ONE S01A	UT-ONE B03B	UT-ONE S04A	UT-ONE S04B	UT-ONE S12A	UT-ONE S12B	UT-ONE S16B
Number of main channels	1	1	3	4	4	12	12	16
Platinum resistance thermometers	selectable*	yes	yes	yes	yes	yes	yes	yes
Thermistors	selectable**	yes	yes	yes	yes	yes	yes	yes
Thermocouples	no	yes	yes	yes	yes	yes	yes	yes
4-wire resistance measurement	yes	yes	yes	yes	yes	yes	yes	yes
3-wire resistance measurement	no	no	yes	no	yes	no	yes	yes
2-wire resistance measurement	no	no	yes	no	yes	no	yes	yes
Keep-warm currents	not applicable	not applicable	automatic	automatic	automatic	automatic	automatic	automatic
PRT range	0 to 1000 Ω*	0 to 1000 Ω	0 to 1000 Ω	0 to 1000 Ω	0 to 1000 Ω	0 to 1000 Ω	0 to 1000 Ω	0 to 1000 Ω
PRT Measurement currents	1 mA, 0.707 mA*	1 mA, 0.707 mA	1 mA, 0.707 mA	1 mA, 0.707 mA	1 mA, 0.707 mA	1 mA, 0.707 mA	1 mA, 0.707 mA	1 mA, 0.707 mA
Thermistor Range	0 to 100 kΩ**	0 to 50 kΩ	0 to 100 kΩ	0 to 50 kΩ	0 to 100 kΩ	0 to 50 kΩ	0 to 100 kΩ	0 to 100 kΩ
Thermistor measurement currents	10 μA, 7.07 μA**	20 μA, 14.1 μA	10 μA, 7.07 μA	20 μA, 14.1 μA	10 μA, 7.07 μA	20 μA, 14.1 μA	10 μA, 7.07 μA	10 μA, 7.07 μA
Built-in display	no	no	yes	no	no	no	no	no
LabVIEW drivers	yes	yes	yes	yes	yes	yes	yes	yes
UT-ONE Applications software	yes	yes	yes	yes	yes	yes	yes	yes
Excel Acquisition software	yes	yes	yes	yes	yes	yes	yes	yes
MODBUS RS232 protocol	yes	no	yes	optional	optional	optional	optional	optional
SD Card internal memory	no	no	yes	no	no	no	no	no
Flash internal memory	yes	no	depends***	no	yes	no	yes	yes
Galvanic isolation	no	no	depends***	no	yes	no	yes	yes
Internal Li-ion battery	no	no	yes	no	no	no	no	no
USB interface	no	yes	yes	yes	yes	yes	yes	yes
RS232 interface	yes	no	yes	optional	optional	optional	optional	optional
GPIB+RS232 interface	no	no	no	optional	optional	optional	optional	optional
Ambient conditions probe connector	no	no	yes	optional	yes	optional	yes	yes
Ambient conditions probe	no	no	optional	optional	optional	optional	optional	optional
PRT banana connector	no	yes	yes	yes	yes	yes	yes	yes
Thermocouple banana connector	no	yes	yes	yes	yes	yes	yes	yes
Miniature thermocouple connector	no	yes	yes	no	no	no	no	no
IP68 circular connector	yes	no	no	no	no	no	no	no
Auxiliary thermocouple input	no	no	yes	no	yes	no	yes	yes
Extended operating temperature range	yes	no	no	no	no	no	no	no
Waterproof	yes	no	no	no	no	no	no	no
PRT accuracy (typical)	0.004 °C*	0.006 °C	0.004 °C	0.006 °C	0.004 °C	0.006 °C	0.004 °C	0.004 °C
PRT effective resolution	0.0005 °C*	0.0005 °C	0.0005 °C	0.0005 °C	0.0005 °C	0.0005 °C	0.0005 °C	0.0005 °C
Thermistor accuracy (typical)	0.001 °C**	0.001 °C	0.001 °C	0.001 °C	0.001 °C	0.001 °C	0.001 °C	0.001 °C
Thermistor effective resolution	0.0001 °C**	0.0001 °C	0.0001 °C	0.0001 °C	0.0001 °C	0.0001 °C	0.0001 °C	0.0001 °C
Thermocouple accuracy (typical)	not aplicable	0.1 °C	0.1 °C	0.1 °C	0.1 °C	0.1 °C	0.1 °C	0.1 °C
Thermocouple effective resolution	not aplicable	0.01 °C	0.01 °C	0.01 °C	0.01 °C	0.01 °C	0.01 °C	0.01 °C

* only available on UT-ONE L01A with Pt100 option
** only available on UT-ONE L01A with Thermistor option
*** available as standard feature on UT-ONE B03B units manufactured in 2022 or later (with “Isolated input option” marking on product label)