Technical Data; Input; Power Supply; Performance Characteristics - Automation Direct ProSense LPM1 Series Operating Instructions Manual

Operating Instructions - ProSense LPM1 Series Meter

12 Technical data

12.1 Input

Voltage drop
Without Backlight
Backlight Enabled
12.1.1 Measured variable
The 4 to 20 mA current signal input variable.
12.1.2 Measuring range
4 to 20 mA (scalable, reverse polarity protection) Max. input current
200 mA

12.2 Power supply

12.2.1 Supply voltage
The display unit is loop-powered and does not require any external power
supply. The voltage drop is ≤1 V at 4 to 20 mA and an additional 2.9 V if
display lighting is used.

12.3 Performance characteristics

12.3.1 Reference operating conditions
Reference temperature 25 °C ±5 °C (77 °F ±9 °F)
Humidity 20 to 60% relative humidity
12.3.2 Maximum measured error
Input
Current
24
LPM1 Series Meter Rev. 1
71487579
Range
4 to 20 mA
Over range up to 22 mA
≤ 1.0 V
Additional 2.9 V
Measured error of measuring range
±0.1 %