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Precision Digital PD685, PD686, and PD687 3-1/2 Digit Loop-Powered Meters

• 4-20 mA Input
• NEMA 4X (PD685/686) or NEMA 4, 7, 9/IP66 (PD687)
• 1 V Drop
• 3-1/2 Digit LCD with 1" (25.4 mm) Tall Digits
• Operating Temperature Range: -40° to 85°C
• 1/2" Conduit Hole or 3/4" Conduit Hold (PD687) Provided

These three Precision Digital loop-powered indicators offer wide temperature range, low one-volt drop, and large 1"-tall digits that are easy to see at a distance. Calibration is a quick two-step process involving the adjustment of two non-interacting potentiometers. The only tools you need are a calibrated current source and a screwdriver. PD685 is a low-cost, NEMA 4X indicator that can be installed in both indoor and outdoor general purpose applications. PD686 adds FM and CSA approvals for use in intrinsically safe and non-incendive installations. PD687, with its explosion-proof cast aluminum enclosure, is CSA and FM approved for hazardous areas (anywhere except Class A environments).

Supporting Documentation
Click the file icon to view the file online, or right-click on the file icon and select "Save Target As..." to download the file to disk for later viewing.

Type	Description	Size
	Lesman Catalog Section: Digital Indicators	1.6MB
	Precision Digital PD685 NEMA 4X Loop-Powered Meter Specification and Operations Manual	260KB
	Precision Digital PD686 NEMA 4X FM/CSA Approved Loop-Powered Meter Specification and Operations Manual	244KB
	Precision Digital PD687 Explosion-Proof FM/CSA Approved Loop-Powered Meter Specification and Operations Manual	222KB

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Last Ed. Date: 01/29/2010 09:26 AM