Precision Digital

PD683/PD688 Loop Leader Loop-Powered Digital Panel Meter

4-20 mA loop, Intrinsically Safe (PD688), features loop-powered backlighting, -30 to 65°C temperature range

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PD683 PD688 Loop Leader Loop Powered Digital Panel Meter 00736
PD688 Left

The Loop Leader PD683 is a loop-powered, 1/8 DIN digital panel meter designed for demanding process control applications. The fact that this meter is loop-powered means that there is no need to run additional, costly power lines; the meter gets all of the power it needs from the 4-20 mA loop. The PD683 loop-powered indicator is built in a shallow-depth case with an FM Type 4X front and features loop-powered backlighting and a wide -30 to 65°C operating temperature range. It doesn't matter if it's indoors or outdoors, in bright sunlight or a dimly lit plant, or in an area that is wet, dirty, hot, or cold, the Loop Leader can go just about anywhere. The Loop Leader PD688 is Intrinsically Safe and Nonincendive.can be installed in just about any hazardous area environment under the FM, CSA, and ATEX standards.

               

**Hazardous locations approvals for PD688 only

 



 

•4-20 mA Input
•5-Digit Display
•0.6" (15.2 mm) LCD
•FM Type 4X, IP65 Front
•Shallow Depth Case 3.2" Behind Panel
•2 V Drop (5.7 V with Backlight)
•Loop-Powered Backlight
•Custom Engineering Units
•Bargraph Display & Trend Arrow
•Maximum & Minimum Display
•Square Root, or Programmable Exponent
•Non-Volatile Memory - No Battery Needed
•Operating Temperature Range: -30 to 65°C
•HART Protocol Transparent
• Intrinsically Safe & Non-Incendive (PD688)
• CE, ATEX, FM, and CSA Certified (PD688)
 

DisplayFive digits: -99999 to 99999, 0.60" (15.2 mm) high, 7-segment, automatic lead zero blanking.
Engineering Units0.25" (6.4 mm) high, 14-segment.
Bargraph20-segment, 0% to 100% indication.
Trend arrowsUp and down trend indication.
BacklightBright orange (intensity varies with signal)
Display Update Rate2.5/second
Over RangeDisplay flashes 99999
Under RangeDisplay flashes -99999
Programming MethodFour front panel buttons
Noise FilterProgrammable from 1 to 199
RecalibrationRecommended at least every 12 months.
Max/Min DisplayMax/min readings reached by the process are stored until reset by the user or until power to the meter is turned off.
PasswordProgrammable password restricts modification of programmed settings.
Non-volatile MemoryAll programmed settings are stored in non-volatile memory for a minimum of ten years if power is lost.
Voltage Drop2.0 V max w/o backlight, 5.7 V max with backlight
Equivalent Resistance125 Ω @ 20 mA w/o backlight, 315 Ω @ 20 mA with backlight
Normal Mode Rejection64 dB at 50/60 Hz
Operating temperature range-30 to 65°C
Allowable Temperature Range-40 to 65°C* (see note below)
Storage temperature range-40 to 65°C
Relative humidity0 to 90% non-condensing
ConnectionsScrew terminals accept 12 to 22 AWG wire
Enclosure1/8 DIN, high impact plastic, UL 94V-0, color: gray
Mounting1/8 DIN panel cutout required. Two panel mounting bracket assemblies provided
Tightening Torque4.5 lb-in (0.5 Nm) Screw terminal connections
Overall Dimensions2.45" x 4.68" x 4.19" (62 x 119 x 106 mm)
Weight5.7 oz (162 g)
Warranty3 years parts & labor
*Below -30°C the LCD becomes less readable.
  • Thumbnail of document PD683 PD688 manual 1383
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    PD683 PD688 manual 1383

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  • Thumbnail of document PD683 PD688 datasheet 1384
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    PD683 PD688 datasheet 1384

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