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TandD RTR-503 Temperature Humidity Data Logger

RTR-503 Temperature Humidity Data Logger

TandD Wireless Relative Humidity Data Logger Using Cell Phone Communications

Part Number: RTR-503

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  • Measure and Record Temperature and Humidity with External Sensor Probe

  • Stores up to 16,000 Data Samples Between Wireless Transmissions to Base Collector or Repeater

  • IP64 Rating for Dust-Tight and Splashed Water Protection

  • 150 Meters Line of Sight Transmission Range Between Devices (Logger to Base Unit or Repeaters)

  • Automatic Transmission of Data (Current or Logged) at Set Interval to Base Unit or Repeater

  • Compatible with the Free TandD WebStorage Cloud Service for Viewing your Recorded Readings Anywhere, Anytime

Includes TR-3310 Temperature and Humidity Sensor, 1/2 AA Lithium Battery, Strap and User Manual

A Complete System Requires a Base Collector (RTR-500DC, RTR-500GSM, RTR-500NW or RTR-500AW) and a RTR-500 Series Wireless Data Logger

Wireless Notice and Disclaimer
The use of Radio Frequency products is tightly regulated by local laws. Wireless products sold by MicroDAQ.com Ltd. are approved for use in the U.S. and Canada, but may not be in other countries. It is the sole responsibility of our customers to insure that the local use of wireless products purchased on this site is in full compliance with all local laws and regulations. MicroDAQ.com Ltd., and the manufacturers it represents will not accept any responsibility for the use of unapproved wireless product in other countries.

Availability: In stock

  • Buy 10 for $236.55 each and save 5%

All Calibration Orders Have a 5 to 7 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified


TandD RTR-503 Wireless Humidity Temperature Data Logger Specifications

Measurement Channel 2 Channels
External Temperature and Humidity Sensor (#TR-3310 - Included)
Sensor Response Time About 7 Minutes (90% Response)
Temperature Range: 0°C to 55°C
Accuracy: ±0.3°C @ 25°C and 50% RH
Resolution: 0.1°C
Humidity Range: 10 to 95% RH
Accuracy: ±5% RH @ 25°C and 50% RH
Resolution: 1% RH
Data Storage Capacity 16,000 Samples (8,000 Temperature and 8,000 Humidity)
Sampling Interval 1,2,5,10,15,20,30 Seconds / 1,2,5,10,15,20,30,60 minutes
(Total of 15 Choices)
Recording Mode Endless: Overwrite Oldest Data when Capacity is Full
One-time: Stop Recording when Capacity is Full
LCD Display Items Current Readings / Recording Settings / Battery Life Warning / Over Measurement Range Warning / Amount of Recorded Data
Power 1/2 AA Lithium Battery (#HP-B)
AC Adaptor (Sold Separately Part #RTR-500A1)
Large Capacity Battery Type Requires Kit #RTR-500B1
Battery Life RTR-503: Approx. 10 Months
RTR-503L: 4 Years
(Battery life depends on measurement environment, recording interval and battery performance)
Communication Types Wireless or Optical
Wireless Method: FCC Part 15 Section 247 / IC RSS-210
Frequency: 902 to 928 MHz
Transmission: 150 Meters (500 ft) Line of Sight
Software Compatibility Windows 10, 7 (32/64bit); Vista (32bit); XP-SP2+ (32bit)
Unit Temperature Resistance -30°C to 80°C
Standards Compliance IP64
Weight RTR-503: 56 grams (Includes Lithium Battery)
RTR-503L: 109 grams (Large Capacity Battery Pack Included)
Dimension RTR-503: 62mm x 47mm x 19mm
RTR-503L: 62mm x 47mm x 46.5mm
Antenna Length: 24mm
(Excluding Protrusions)

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