Data Logger | LM-Internal Sensor

G-Tek data loggers (LM PRO -T) is an upgraded model with larger display, easy to mount and with improved accuracy. It is Easy to Use, Accurate and Affordable solutions to monitor and record temperature that is critical to a wide variety of industries. It also offers a choice of PC connectivity through USB port. These data loggers are ideal for all applications where monitoring proper environmental conditions are paramount. These are reusable temperature data loggers. They are configured from the PC to record and monitor data independently. Direct USB connectivity eliminates need for the cable and improves ease of operation. External Sensor data loggers are available with Pt-100 sensor to for extended temperature range of -200 Deg C to + 200 Deg C.



  • Up to 32000 Data Records.
  • Logging Interval is user programmable from 2 sec to 18 hours.
  • LCD Display with Min, Max, Battery Low, Rec, Alarm High, Alarm Low And Current Reading.
  • View Min. and Max. On display over entire batch on click of a button
  • Display Resolution of 0.1
  • Storage Resolution of 0.01
  • Battery Life of >2 year
  • IP65 ingress of dirt, dust and oil proof
  • User Replaceable Battery
  • Insert instantaneous data (TAG) with time stamp.
  • Download multiple data loggers in same file and view them together.
  • Direct USB connection to PC port.


Model LM PRO- RH
Display and Operator Panels
Display Type 3½ Character LCD Display with Min, Max, Battery Level Indication, Alarm high and Low, REC and  Current reading with measurement unit
Display Dimension 22 x 30 mm; 0.35” TN Reflective
Display Resolution 0.1
Display ON/OFF/Auto off Programmable from PC Application
Status Indicator Red LED for Device working

Red LED for Batch Start / Stop

Panel Keys One
Reading Types Actual with Min Max. ON Display and PC
Min / Max Min Data Display / Max Data Display / Current Data with respect to Current Measurement
Data Storage Yes
Memory 8000/16000/32000 Data Records
Memory Type Flash, Non-volatile, Data Retention up to 100 years
Analog Input Details
No. Of Channels 1; Temperature
Temperature 10K Thermistor; NTC; Internal to the device
Temperature Range -30 to + 60 °C (-22 to +140 °F)
Temperature Measurement Accuracy ± 0.5 °C (± 0.9 °F)
Sensor Response Time t63 30 min for step change of 50
Sensor Resolution 0.01 storage / 0.1 display
Batch Details
Start/Stop Immediate
Batch Stop Intermediate Any time / Memory Full / After n Reading / At Specific Time
Logging Interval Programmable from 1 Sec to 18 Hours via Software
Delayed Start Absolute / Relative up to 45 days
Tagging Yes. On long press of a Key with an indication on display
Batch Stop required to Download




Download Batch Intermediate after any time the batch started/After the Batch is completed
Temperature (Operation)-30˚C to 60˚C
(Limiting) -35˚C to 70˚C
(Storage) -35˚C to 70˚C
Humidity (Operation) 0 to 100% RH
Power Requirement
Supply Voltage (Battery Operated) 3.0 V 950mAH; CR2477 Panasonic Coin Cell Battery; User Replaceable
Battery Life >2 Year, at 25˚C and 15min Store Interval
Battery Reverse Polarity Protected
User Calibration Feature Factory Calibrated + 2 Point user calibration for each sensor
Restore Calibration User can revert to original factory calibration any time
Reusability Yes
Online Feature Power saver mode when USB connected, Online Batch with Current Data Display using LmView software on PC
Confirmatory Standards
Product EN 12830
EMI-EMC EN 61000-6-3 / EN 61000-6-2
Pollution Degree II
Installation Category IV
Vibration 2g Peak (10Hz-150Hz)
Shock IEC 61010-1
IP Rating IP65
Connectivity USB 2.0, USB 3.0 Compatible
Data Download Time approx 3 sec for 32000 data records
Overall Dimension
Dimension (mm) 120(L) x 40(W) x 31(H)
Mounting From the key hole provided on the top

Specifications are subject to change without notice


  • 0 V 960mAH; CR2477N Lithium Coin Cell Battery

Part No.: 200790

LM PRO- RH-Accessories

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