G-Tek Corporation Private Limited
49
S
PECIFICATION
The Specifications of LmNet are:
Table 4 Specification of LmNet
Model No
LmNet Pro Networked Data Logger
Display and Operator Panels:
Display Type
8 digits ultra-bright, LED numeric / semi-alphabetic
display
Display LED Color
Red
Display Height
0.8" High
Status Indicator
Channel number and corresponding parameter values, prompts and
messages displayed for ease of setup and programming.
Panel Keys
Front panel KB consisting of 5 keys for programming and configuration
setting.
Analog Input Details:
No of Inputs
Maximum of 4
TC
Types J, K, C, R, S, T, B, E, N
RTD
PT 100
V dc
0-1V, ± 1V, 0-5V, ± 5V, 0-10V, ±10V
mA
4-20mA; 0-
20mA (External Shunt Resistance of 50 Ω 0.1%)
Sensor Type and Range
Refer to the Table5
Accuracy:
Accuracy
± 0.5% FSR
Linearization Error
±0.3˚C Max
Resolution
User Settable Up to 0.0001
CJC Accuracy
±0.5˚C at 25˚C
Step Response
<1 sec (10-90%)
Scan Rate
Each Channel Scanned Every 0.5 Sec
Protection:
Input Impedance
RTD/TC up to
100mV
> 20 M Ohm
Input Impedance
Volt
> 20 M Ohm
Input Impedance
mA
50Ω Shunt External
CMRR
>120 dB@ 50, 60 Hz at 13 Samples per Second
NMRR
>60 dB@ 50, 60 Hz at 13 Samples per Second
Maximum Common Mode Voltage
60V AC
Isolation Channel
–
GND
1.5 KV, 1 Minute
Input Protection
30 V AC/DC Max
Batch Storage/ Data Memory Details:
Start/Stop
Key Press / Remote Start
Store Interval
0 To 240 min in Step of 1 Sec
Memory Setting
Roll Over / Stop on Full User Selectable
