When tracking ambient climate variations, cold-chain operations, or heating validation profiles requires professional-grade precision in an elegant footprint, the Tinytag Ultra 2 Temperature series delivers the ideal solution. Housed in a lightweight, IP51 splashproof casing fitted with secure, easy-access chassis clips, these sleek loggers are specifically optimised for indoor facilities, commercial offices, museums, and laboratory environments where clean, unobtrusive telemetry is critical.
Every logger in the Ultra 2 thermal family features high-resolution sub-sampling paired with a robust 32,000-reading non-volatile memory array (28,000 readings for the specialised thermocouple model). Operating via flexible sampling modes (Actual, Minimum, and Maximum values), the Ultra 2 series allows building managers and quality controllers to isolate sudden HVAC drops or localised thermal bridging with pinpoint accuracy.
The core Ultra 2 temperature fleet consists of four distinct hardware setups tailored to your probe and placement criteria:
Tinytag Ultra 2 TGU-4017 indoor temperature logger with internally mounted NTC thermistor. Temperature range -40 to +85°C with a 0.01°C resolution. Memory: 32,000 readings. Replaceable internal battery. Logging rate 1 second to 10 days with min, max & actual readings. Housed in a lightweight, splashproof (IP54) casing with clips for easy opening. Delayed and magnetic trigger start options with 2 fully programmable, latchable alarms.
Tinytag Ultra 2 TGU-4020 temperature logger for external thermistor probe. Temperature range -40 to +125°C with a 0.02°C resolution. Memory: 32,000 readings. Replaceable internal battery. Logging rate 1 second to 10 days with min, max & actual readings. Housed in a lightweight, splashproof (IP54) casing with clips for easy opening. Delayed and magnetic trigger start options with 2 fully programmable, latchable alarms. External Probe available separately.
Tinytag Ultra 2 TGU-4500 indoor temperature & humidity logger with internally mounted NTC thermistor and capacitive humidity sensor. Temperature range -40 to +85°C with a 0.01°C resolution, Humidity range 0 to 95%RH with a 0.3%RH resolution. Memory: 32,000 readings. Replaceable internal battery. Logging rate 1 second to 10 days with min, max & actual readings. Housed in a lightweight, splashproof (IP53) casing with clips for easy opening. Delayed and magnetic trigger start options with 2 fully programmable, latchable alarms.
Tinytag Ultra 2 TGU-4510 temperature logger with internally mounted NTC thermistor and connector for an external thermistor probe. Internal Temperature range -40 to +85°C with a 0.01°C resolution, an external thermistor probe range of -40 to +125°C. Memory: 32,000 readings. Replaceable internal battery. Logging rate 1 second to 10 days with min, max & actual readings. Housed in a lightweight, splashproof (IP54) casing with clips for easy opening. Delayed and magnetic trigger start options with 2 fully programmable, latchable alarms. External Probe available separately.
Tinytag Ultra 2 TGU-4550 Thermocouple data logger. Memory: 22,000 readings. Replaceable internal battery. Logging rate 1 second to 10 days with min, max & actual readings. Housed in a lightweight, (IP51) casing with clips for easy opening. Standard and miniature thermocouple connections for K, J, T and N Type thermocouples. External K type thermocouple (temperature range -100 to +250°C) included with the unit and others available separately. Internal sensor for ambient temperature measurement, can be disabled to increase reading capacity. Delayed and magnetic trigger start options with 2 fully programmable, latchable alarms. A brochure is also available for a selection of handheld thermocouple probes that are compatible with the TGU-4550.
Tinytag TGU-4550-SPK Thermocouple data logger starter pack. Supports K, J, T and N Type thermocouples, 28,000 reading memory, internal sensor for ambient temperature and port for external thermocouple. External K type thermocouple (temperature range -100 to +250°C) included with the unit and others available separately. Kit comes complete with Tinytag Explorer software and USB download cable. A brochure is also available for a selection of handheld thermocouple probes that are compatible with the TGU-4550.
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