The RTR-574 is a data logger designed to simultaneously measure and record Illuminance, UV intensity, temperature, and humidity. We offer two types of RTR-574 with different temperature/humidity sensors included depending on your required measurement range and accuracy needs.
The RTR-574-H includes our high precision temperature/humidity sensor (HHA-3151) and the Illuminance/UV sensor (ISA-3151).
This Data Logger allows for the measuring and recording of the above items in various places such as facilities where people gather, where important documents and fine arts are being stored or displayed, where food and drink is being stored. Also, cumulative illuminance and the cumulative amount of UV light can be easily viewed even without stopping recording.
Download Data via Wireless Communication with a Base Unit
Recorded data can be downloaded from RTR-501, 502, 503, 505, and 574 Data Loggers (Remote Units) via wireless communication with a Base Unit. The wireless communication range between a Remote Unit and a Base Unit is about 150 meters [500 ft]. By registering an RTR-500 as a Repeater, it can be used to expand the wireless communication range.
Maximum of 8,000 data sets
One data set consists of readings for Illuminance, UV Intensity, Temperature and Humidity measurements. A Base Unit can download via wireless communication one RTR-574 Remote Unit at full logging capacity (8,000 data sets) in about four minutes. Low Energy Consumption Design
The RTR-574 uses one AA alkaline battery. If one Unit of full data is downloaded once a day via wireless communication, the estimated battery life will be about four months. (There are no L-types models of RTR-574.)
The RTR-574 uses one AA alkaline battery. If one Unit of full data is downloaded once a day via wireless communication, the estimated battery life will be about four months. (There are no L-types models of RTR-574.)
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Product
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RTR-574
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RTR-574-H
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Temperature/Humidity Sensor (External)
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THA-3151
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HHA-3151(High-Precision Type)
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Thermistor
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Polymer Resistance
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Platinum Resistance
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Electrostatic Capacitance
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Measurement Channels
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Temperature 1cｈ
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Humidity 1ch
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Temperature 1cｈ
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Humidity 1ch
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Units of Measurement
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°C, °F
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%RH
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°C, °F
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%RH
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Measurement Range
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0 to 55 °C
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10 to 95 %RH
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-30 to 80 °C
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0 to 99 %RH
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Accuracy
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±0.5 °C
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±5 %RH (at 25 °C, 50 %RH)
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±0.3°C (at 10 to 40 °C)±0.5°C (at all other temperatures)
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±2.5 %RH(at 25 °C, 10 to 85 %RH) ±4.0 %RH(at 25 °C, 0 to 10 % or 85 to 99 %RH) At temperatures other than 25 °C and ≥ 0 °C, add ±0.1 %RH per degree of difference from 25. Humidity Hysteresis: ±1.5 %RH or lower(*1)
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Measurement Resolution
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0.1 °C
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1 %RH
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0.1 °C
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0.1 %RH
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Response Time (90%)
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Approx. 7 min.
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Approx. 7 min.
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Approx. 20 sec.
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Illuminance/UV Sensor (External)
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ISA-3151
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Measurement Channels
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Illuminance: 1ch
UV intensity: 1ch
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Units of Measurement
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Illuminance: lx, Klx
UV intensity: mW/cm2
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Measurement Range
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Illuminance: 0 lx to 130 Klx
UV Intensity: 0 to 30 mW/cm2
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Units of Cumulative Measurement
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Cumulative Illuminance: lxh, Klxh, Mlxh
Cumulative amount of UV Light: mW/cm2, W/cm2
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Display Range of Cumulative
Measurement
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Illuminance: 0 lxh to 90 Mlxh
UV Intensity: 0 mW to 62 W/cm2h
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Accuracy
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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)
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Relative Spectral Response
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Illuminance: Approximated to the CIE standard response function V (λ )
UV Intensity: 260 to 400 nm
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Measurement Resolution
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Illuminance: Minimum of 0.01 lx
UV Intensity: Minimum of 0.001 mW/cm2
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Response Time (90%)
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3 sec. (at recording interval of 1 sec.)
6 sec. (at other intervals)
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Logging Capacity
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8,000 data sets (One data set consists of readings for all channels in that type of unit.)
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Recording Interval
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Select from 15 choices: 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30, 60 min.
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Recording Mode (*3)
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Endless (Overwrite oldest data when capacity is full) or One Time (Stop recording when capacity is full)
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LCD Display Items
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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
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Communication Interfaces
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- Wireless Communication (Short Range Radio Communication)
FCC Part15 Section247 / IC RSS-210 (Frequency Range: 902 to 928MHz, RF Power: 7mW)
ETSI EN 300 220 (Frequency Range: 869.7 to 870MHz, RF Power: 5mW)
- USB Communication
- Serial Communication (RS-232C) (*4)
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Wireless Transmission Range
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Approx. 150 meters (500 ft) if direct and unobstructed
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Power
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AA Alkaline Battery (LR6) x 1
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Battery Life (*5)
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Approx. 4 months
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