Input: 4-20 mA @ 24 VDC maximum
Display: 0.5" (12.7 mm) LCD, 3½ digits; 1999
Accuracy: ±0.1% FS ±1 count
Decimal Point: User selectable decimal point
Calibration: 2 step; non-interacting zero and span
Calibration Range: 4 mA input: -500 to +500; 20 mA input: between 20 and 2000 above 4 mA display
Maximum Voltage Drop: 1.5 VDC @ 20 mA; 3.5 VDC @ 20 mA with backlight option
Display Update Rate: 2.5/second
Loop-Powered Backlight Option: Factory installed only. Powered directly from the 4-20 mA loop, no batteries required. The display brightness will increase as the input signal current increases.
Connections: Removable screw terminals accept 12 to 22 AWG
Operating Temperature: -40 to 80°C
Storage Temperature: -40 to 80°C
Relative Humidity: 0 to 90% non-condensing
Approvals: The PD661-N-EX and PD661-B-EX are FM Approved & CSA Certified as explosion-proof for Class I, Division 1, Groups B, C, & D; dust-ignition proof for Class II, Division 1, Groups E, F, & G; and Class III hazardous (classified) locations.
PD660 Enclosure: Impact-resistant ABS plastic body, color: gray, clear polycarbonate cover with blue faceplate; NEMA 4X, IP67; ½" conduit hole provided at base.
PD660 Weight: 9.3 oz (264 g)
PD661 Enclosure: Explosion-proof, cast aluminum with glass window, 0.3% max copper content, corrosion resistant polyester powder coating, color: safety blue. NEMA 4X, 7, & 9, IP66; FM Approved & CSA Certified: Class I, Division 1, Groups B, C, & D, Class II, Groups E, F, & G, Class III hazardous outdoor (Type 4X) locations.
Two ½" NPT holes provided; mounts directly to conduit.
PD661 Weight: 3.1 lb (1.4 kg)
Warranty: 2 years parts & labor
Extended Warranty: 1 or 2 years
Disclaimer
The Information contained in this document is subject to change without notice. Precision Digital Corporation makes no representations or warranties with respect to the contents hereof, and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose.
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