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Illuminance / UV / Temperature / Humidity Data Logger Model: TR-74Ui

Property

- Illuminance/UV/Temperature/Humidity Recorder.
- Illuminance Measurement Range : 0 to 130,000 lx.
- UV Intensity Measurement Range : 0 to 30 mW/cm2.
- Temperature Measurement Range : 0 to 55ºC.
- Humidity Measurement Range : 10 to 95%RH.
- Logging Capacity 8,000 reading x 4 channels.
- The unit Operates via USB bus power so no need for more wire and plugs.

Usability

Attribute

Specification

Temperature/Humidity Sensor (External)	THA-3151
	Thermistor	Polymer Resistance
Measurement Channels	Temperature 1cｈ	Humidity 1ch
Units of Measurement	°C, °F	%RH
Measurement Range	0 to 55 °C	10 to 95 %RH
Accuracy	±0.5 °C	±5 %RH (at 25 °C, 50 %RH)
Measurement Resolution	0.1 °C	1 %RH
Response Time (90%)	Approx. 7 min.
Illuminance/UV Sensor (External)	ISA-3151
Measurement Channels	Illuminance: 1ch
	UV intensity: 1ch
Units of Measurement	Illuminance: lx, Klx
	UV intensity: mW/cm2
Measurement Range	Illuminance: 0 lx to 130 Klx
	UV Intensity: 0 to 30 mW/cm2
Units of Cumulative Measurement	Cumulative Illuminance: lxh, Klxh, Mlxh
	Cumulative amount of UV Light: mW/cm2, W/cm2
Display Range of Cumulative	Illuminance: 0 lxh to 90 Mlxh
Measurement	UV Intensity: 0 mW to 62 W/cm2h
Accuracy	Illuminance: 10 lx to 100 Klx：±5 % (at 25°C, 50 %RH) UV Intensity: 0.1 to 30 mW/cm2：±5 % (at 25°C, 50 %RH) (*2)
Relative Spectral Response	Illuminance: Approximated to the CIE standard response function V (λ )
	UV Intensity: 260 to 400 nm
Measurement Resolution	Illuminance: Minimum of 0.01 lx
	UV Intensity: Minimum of 0.001 mW/cm2
Response Time (90%)	3 sec. (at recording interval of 1 sec.)
	6 sec. (at other intervals)
Logging Capacity	8,000 data sets (One data set consists of readings for all channels in that type of unit.)
Recording Interval	Select from 15 choices: 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30, 60 min.
Recording Mode	Endless (Overwrite oldest data when capacity is full) or One Time (Stop recording when capacity is full)
LCD Display Items	Measurements, Battery Life Warning, etc.
	- Measurements: Illuminance / UV Intensity / Temperature / Humidity / Cumulative Illuminance / Cumulative amount of UV Light
	- Display Pattern: Alternating or Fixed display
	- Display Digits: Up to 4 digits
Communication Interfaces	USB Communication, Serial Communication (RS-232C) , Infrared Communication (IrPHY 1.2 low power)
Communication Time	Downloading time for one unit at full capacity
	- Via USB communication: approx. 45 sec.
	- Via infrared communication: approx. 60 to 80 sec.
Power	AA Alkaline Battery (LR6) x 1
Battery Life	Approx. 6 months
Dimensions	H 55 mm x W 78 mm x D 18 mm
Weight	About 62 g (including battery, excluding sensor)
Operating Environment	Temperature: -10 to 60 °C Humidity: 90 %RH or less (no condensation)
Accessories	AA alkaline battery (LR6), USB Communication Cable (US-15C), Illuminance/UV Sensor (ISA-3151), Temperature/Humidity Sensor (THA-3151 or HHA-3151), Software (CD-ROM), User's Manual Set (Warranty Included)