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Data Sheet • Mann Series
3 +½ D i g i t , L o o p Powe r e d , I n d i c a t o r
LPD350
The LPD350 is a compact, cost effective,
3+½ digital indicator designed specifically
for current loop signals.
• Large 3+½ digit LCD display in engineering
units
• 4-20mA input
• Loop powered (125Ω loop load)
• Direct or Reverse action display
• Linearity ±0.1% of span
• 1/8 DIN standard front with IP65 rating
• Removable, screw type, terminal blocks
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Australia
Weidmüller Pty Ltd.
43 Huntingwood Drive, Huntingwood
NSW 2148
Phone +61 (0) 2 9671 9999
Fax
+61 (0) 2 9671 9900
Info@weidmuller.com.au
www.mannseries.com
United Kingdom
Other countries
Weidmüller Ltd.
1 Abbey Wood Road, Kings Hill
West Malling, Kent ME19 4YT
Phone +44 1732-877032
Fax
+44 1732-873873
Info@weidmuller.co.uk
www.weidmueller.com
Weidmüller Interface GmbH & Co.
Postfach 3030
32720 Detmold
Phone +495231-14-0
Fax
+495231-14-2083
info@weidmueller.com
www.weidmueller.com
LPD350 Loop Powered Digital Indicator
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General Technical Data
Display
Type
3+1/2 digit 12.7mm (0.5 Inch) LCD
Range
−1999 to +1999
Decimal point selection
1888 1.888 18.88 or 188.8
Connections
Overrange display
Blanked except for 1 at left
Terminal
Signal
1
Input −
2
Input +
Inputs
Type
4-20mA
Voltage drop
2.5V @ 20mA
Max loop loading
125Ω
Max forward current
100mA continuous or 500mA for 10s
Max reverse current
500mA continuous
Inputs
Adjustments
Type
20-turn potentiometers
Zero
±1999 counts in two switched ranges
Span
from 0 to 3998 counts in 3 switched ranges
Performance
Accuracy
±0.05% span error ±1 count
Temperature drift
Zero ±0.1 counts per °C
Span ±0.1 counts per °C
Response time
200mS from 10-90% output
Sample rate
2.5 per second
Insulation Co-ordination
Ports
Input / Case
Rated Insulation Voltage
300Veff
Overvoltage Category
III
Environmental Conditions
Operating temperature
–20 to +70 °C
Storage temperature
–25 to +70 °C
Pollution Degree
2
Relative humidity
10–90% (non–condensing)
Housing
Type
Double Insulated Panel mount Enclosure
Ordering Information
Front bezel
IP65 rated 1/8 DIN format
Type
Cat. No.
LPD350 4-20mA/0-100.0
7940010163
Approvals
Mark
LDP350
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E256486
CAN/CSA C22.2 No. 1010.1:92
UL61010-1: 2004
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LV Directive
EMC
EN50178:1998
BS EN 61326:1998 + A2
Page 2
Standard
Note: For other ranges please specify LPD350 1/2 where:
1 = Input current range
2 = Display range
Subject to technical alterations without notice • Printed in Australia • 7940015650 • 06/2007