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RTR-501 / 501L: 

Temperature

RTR-502 / 502L: 

Temperature

RTR-503 / 503L: 

Temperature and Humidity

The RTR-501 with internal 
sensor provides optimum 
waterproof and dustproof 
capabilities.  This is the 
perfect Data Logger for use 
in harsh environments: 
whether that may be indoor 
frozen or refrigerated 
storage or high humidity, 
high dust outdoor 
applications. 

Measurement Range

-

40 to 80 

°

C

Water Resistance

Immersion proof
Not submersible 

We offer a variety of 
optional sensors to meet 
your needs; from ones 
with stainless protection 
to those that can be 
used in water. For details 
see the Optional 
Sensors page.

Measurement Range

-

60 to 155 

°

C

Water Resistance

Splash proof (rated for use 
in daily life when the sensor 
is connected.  Not for 
continued immersion.

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

Measurement Range

Temperature : 0 to 55 

°

C

Humidity: 10 to 95%RH

Water Resistance

Splash proof (rated for use in 
daily life when the sensor is 
connected. Not for continued 
immersion.

Temperature Sensor 

Internal Temperature Sensor

Temperature Sensor : TR-5106 (Included)

 

Water proof

Thermistor Area

Water Resistance:  
The fluoropolymer-coated section is  waterproof.  Other 
sections are immersion proof 

Temperature / Humidity Sensor

 : 

TR-3310 

(Included)

Temp/Humidity Sensor Area

Water Resistance: None

RTR-505: For Measuring Signals from Multiple Types of Sensors and Instruments

RTR-505-TC / RTR-505-TCL: 

Thermocouple

RTR-505-Pt / RTR-505-PtL: 

Pt

RTR-505-V / RTR-505-VL: 

Voltage

RTR-505-TC is a type of 
Data Logger supplied with 
the Input Module which 
supports the following types 
of thermocouple sensors: K, 
J, T, and S. It is possible to 
measure and record 
temperature in a range of 
-199 to 1700˚C.

Measurement Range

K: 

-

199 to 1300 ˚C

J: 

-

199 to 750 ˚C

T: 

-

199 to 400 ˚C

S: 

-

20 to 1700 ˚C

RTR-505-Pt is a Data 
Logger which supports 
Pt100 (3-wire) and 
Pt1000 (3-wire) sensors.

Measurement Range

-

199 to 600

 

˚C

RTR-505-V is a Data 
Logger designed to 
measure and record voltage 
signals from various types 
of sensors and measuring 
devices. Two types of 
recording method 
(instantaneous or average) 
are available to be chosen 
from. It is equipped with a 
preheat function that 
transmits a preheat signal 
synchronized with the 
recording interval to turn 
sensors or other devices 
ON and OFF.

Measurement Range

0 to 22 V

Note:

   Currently, this product is not compatible with 

RTR

-

500GSM 

Input Module : TCM-3010 (Included)

Input Module : PTM-3010 (Included)

Input Module : VIM-3010 (Included)

Wireless Data Loggers

RTR-501/502/503: Data Loggers Built to Work and Last in Harsh Environments

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