LM-U PRO Series Data logger

The LM-U PRO series data loggers are universal input handheld data loggers. It can take all standard sensors like Pt-100; popular thermocouples like TC-J, K, R, S, T; process inputs like 4-20mA or 0-1V. Operating on standard AA battery with a long battery life it will easily find a place where portable measurements are required. With internal data storage up to 32000 records, user can store the data and retrieve them later for further study or for record purpose. User can also apply TAG – a reding taken at a specific time other than store interval. It helps user to capture some specific event. USB port is provided to configure or download the data from the device.



Key Features:

  • Universal Sensor input type (RTD, 0-1Volt,0-20mA,4-20 mA, TC – J,K,R,S,T).
  • 32000 Data Records.
  • Logging Interval is user programmable from 1 sec to 18 hours.
  • LCD Display with Min, Max, Battery Status, Alarm Hi-Low and Current Temperature.
  • View Min. and Max. On display over entire batch on click of a button
  • Display resolution of 1.
  • Storage resolution of 0.1
  • Battery life of >3 year
  • 2 X AA Replaceable batteries.
  • Insert instantaneous data (TAG) with time stamp.
  • Download multiple data loggers in same file and view them together.
  • Connect through Micro USB data cable.



Model No 6003-x1 LM-U-Pro Data logger
Display and Operator Panels
Display Type 3.5 Character LCD Display with Min, Max, Battery Status, Alarm Hi-Low and Current Temperature
Display Dimension 33 x 30 mm; TN Reflective
Display Resolution 0.1 / 1.0
Display ON/OFF/Auto off Programmable from PC Application
Status Indicator

HB LED for Device working

STR LED for Batch Start / Stop

Panel Keys Front panel KB consisting of 2 keys
Min / Max Min Data Display / Max Data Display / Current Data with respect to Current Measurement
Display Blinking on Alarm high – low Condition
Reading Types Actual with Min Max. ON Display and PC
Sensor Connectivity Sensor Failure Indication on Display (Open or Short)
Analog Input Details
No of Inputs 1
Sensor Input Type; Range and Accuracy  
Thermocouples Types J, K, R, S, T
RTD PT-100; DIN43760, σ=0.00385
Vdc 0-1V
mA 4-20mA; 0-20mA (Internal Shunt Resistance of 50 Ω 0.1%)
Accuracy  ± 0.25% FSD ±1 digit
Linearization  Polynomial Based Software Linearization
Resolution 0.1 / 1.0
CJC Error  ±0.5˚C for 0-50˚C
Sensor Type and Range Refer to the Table 1
Batch Storage / Data Memory Details
Start / Stop Immediate
Batch Stop Intermediate Any time / Memory Full / After n Reading / At Specific Time
Store Interval 1 Seconds to 18 Hrs
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 No
Data Storage Yes
Memory 32000 Data Records
Memory Type Flash, Non-volatile, Data Retention up to 100 years
Download Batch Intermediate after any time the batch started/After the Batch is completed
Temperature (Operation)5˚C to 45˚C
  (Limiting) 0˚C to 50˚C
  (Storage)-20˚C to 60˚C
Humidity (Operation) 10 to 80 % RH Non-Condensing
  (Storage) 5 to 90 % RH Non-Condensing
Power Requirement
Supply Voltage (Battery Operated) 3 V 2700mAH 2 X AA (1.5V) battery; User Replaceable
Battery Life >3 Year, at 25˚C and 15min Store Interval
Battery Reverse Polarity Protected
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
Connectivity Micro USB data cable (USB 2.0, USB 3.0 Compatible)
Data Download Time ≈ 3 sec for 32000 data records
EMI-EMC EN 61326 Class A
Pollution Degree II
Installation Category IV
Vibration 2g Peak (10Hz-150Hz)
Shock IEC 61010-1
IP Rating IP50
Overall Dimension
Dimension L x W x D (mm) 157 (L) x 76 (W) x 27 (H)
Mounting Wall Mounting Bracket. (Optional)

Table 1 – Sensor Type, and Range

Sensor Range
RTD (Pt-100) -190 to 700°C
4-20mA ± 1999
0-20mA ± 1999
0-1V ± 1999
J type TC 0 to +400
K type TC 0 to +1200
R type TC 0 to +1700
S type TC 0 to +1700
T type TC -100 to +400

*Features depends on the options ordered; Specifications are subject to change without notice.

Order Code

Data Logger Sensor Type Pressure Rang Communication Type Software Type Memory Type
6 6X Pro 0



0 No Pressure 3 USB   6 LM View Non Secure 1 Memory
                  7 LM view Secure    

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