• PS4000A
  • Saelig 35 Years in business!
  • Teledyne LeCroy Wavesurfer 3000z Promo
  • Siglent SSA3000X-R
  • Tekbox
  • Windfreak
  • Rigol MSO5152-E
  • Teledyne LeCroy Free Products
  • GL Optic
  • Siglent SDS1000X-E
  • PicoScope 6000E
  • Micsig
  • Rigol RSA5000
  • Rigol Promotions
  • SDM3000
  • Not Your Average Web Store
  • Saelig Newsletter Signup
  • LD400
  • Saelig Name Origins
  • Sensepeek
  • Your Technical Distributor
  • ChargeBox
  • Teledyne LeCroy Wavesurfer 4000HD Promo
  • YouTube Videos
  • MegiQ
  • Saelig Scope Selection
  • Choosing An Oscilloscope
  • Free Shipping
  • Siglent EMI Promo
  • Cambrionix
  • ABI Electronics
  • Saelig-Kerr
  • Disklabs
  • ThinkRF
  • Rigol MSO
  • SAF Tehnika
  • Saelig Values
  • HT Instruments
  • JRE Test
  • Preen

RTR-503L Wireless Temp/Hum Recorder w/ Ext Battery

    RTR-503L Wireless Temp/Hum Recorder w/ Ext Battery

    Manufacturer: TandD Corporation

    This product is discontinued.


    The RTR-503 uses a sensor that measures and records both temperature and humidity.



    FCC model for US RTR-501/501L RTR-502/502L RTR-503/503L
    Measurement Channel 1Temperature Channel 1 Temperature Channel 1Temperature and

    1 Humidity Channel
    Sensor Internal Temp. Sensor External Temp. Sensor (TR-5106) External Temp. and

    Humidity Sensor

    Thermal Time Constant 15 minutes

    L Type: 25 minutes
    Approx. 15 Sec. (in air)

    Approx. 2 Sec.

    (in agitated water)
    Sensor Response Time - - About 7 min.

    (90% response)
    Measurement Range - 40 to 80 °C - 60 to 155 °C 0 to 55 °C

    10 to 95%RH
    Measurement Accuracy Avg±0.5°C Avg±0.3°C

    (-20 to 80°C)


    (-40 to -20°C / 80 to 110°C)


    (-60 to -40°C / 110 to 155°C)


    (at 25°C and 50%RH)
    Measurement Display Resolution 0.1°C 0.1°C 0.1°C / 1%RH
    Recording Interval 1,2,5,10,15,20,30 seconds / 1,2,5,10,15,20,30,60 minutes

    Total of 15 choices
    Recording Capacity 16,000 Readings x 1 Channel 8,000 Readings x 2 Channnels
    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 Lithium Battery (LS14250 (SAFT)) x 1

    for L type: Large Capacity Battery Adaptor Kit (RTR-500B1) x 1 (*1)

    External Power Adaptor Kit (RTR-500A1) (sold separately)
    Battery Life (*2) Approx. 10 months

    L Type: Approx. 4 years
    Wireless Specifications FCC Part15 Section247 / IC RSS-210 (Frequency Range: 902 to 928MHz)
    Transmission Range Approx. 150m(500ft)(May vary with conditions)
    Interface Wireless Communication / Optical Communication
    Communication Speed Collection of a full unit of data:

    Wireless communication : about 2 minutes(*3)

    Optical communication : about 160 seconds
    Water Resistance IP67

    (immersion proof)
    IP64 (*4)

    (rated for use in daily life)
    Dimensions H62mm x W 47mm x D19mm

    L Type: with Large Capacity Battery Pack: D 46.5mm

    (excluding protrusions / antenna length 24mm)
    Weight Approx. 56g (including 1 lithium battery)

    L Type: with Large Capacity Battery Pack: Approx. 109g
    Unit Temp. Resistance -30 to 80°C ( Unit temp resistance and measurement range is -40 to 80°C but wireless communication cannot occur in an environment of less than -30°C )
    Others In order to download data via wireless communication, it is necessary to purchase Base Unit.
    (*1) When using RTR-500B1 it is necessary to purchase Lithium Battery (LS26500). For details, contact your local authorized distributor.

    (*2) The stated battery life is for when it is used in an environment of 25¢ªC (77¢ªF) and recorded data is downloaded at a rate of once a day or "Monitoring Current Readings" occurs at a rate of once every 10 minutes. Battery life depends on measurement environment, recording interval and battery performance.

    (*3)The same amount of time will be necessary for each added Repeater.

    (*4) The stated water resistance rating is for when the sensor is connected to the unit. However, this does not include the sensor areas for the RTR-503/503L models. Not for continued immersion.

    Customers who purchased this product, also purchased...

    Free UPS Ground Shipping On Orders Over $99

    Sign up for our newsletter containing updates and exclusive content!

    Customer Reviews

    Privacy Policy|Terms and Conditions|RoHs|Quality Statement|Returns|Sitemap

    © 2007- Saelig Company, Inc. All Rights Reserved.
    Other products, logos and company names mentioned herein, may be trademarks of their respective owners.
    eCommerce Shopping Cart Software by Miva Merchant