Precision Digital PD663 3½+ Digit Explosion-Proof Loop-Powered Meters
The ProtEX-Lite PD663 is a rugged, explosion-proof NEMA 4X loop- powered meter perfect for applications where a simple, inexpensive display is required in a hazardous area.
The PD663 derives all its power from the 4-20 mA loop. The PD663 is scaled using four push buttons and can be done without applying an actual calibration signal, and through the explosion-proof enclosure with optional magnetic reed switches and a magnet key. The PD663’s display will read up to 2999; we call this 3½+ digits! The loop-powered backlighting option lets you see the display under any lighting condition and is powered completely from the 4-20 mA loop. This means there is no need for additional wiring and never any batteries to change.
The PD663 is housed in a rugged, explosion-proof, cast aluminum, NEMA 4X enclosure and is provided with two threaded conduit holes and integrated pipe or wall mounting holes.
• 4-20 mA input
• 1.7 V drop (4.9 V with backlight)
• 3½+ digits LCD, 0.6" high
• Loop-powered backlight option
• Easy four-button programming
• Programmable noise filter
• Max/min display
• Password protection
• Hart protocol transparent
• Operates from -40 to 75°C
Select a link under the "item" tab below to order.
| Cat # | Descriptions |
| PD663-0L0-00 | Explosion-Proof Loop-Powered Meter |
| PD663-0K0-00 | Explosion-Proof Loop-Powered Meter with Backlight |
| PD663-0LA-00 | Explosion-Proof Loop-Powered Meter with Reed Switches |
| PD663-0KA-00 | Explosion-Proof Loop-Powered Meter with Backlight and Reed Switches |
| General | ||
| Display: | 0.6" (15.24 mm) LCD, 3½+ digits; -1999 to 2999 | |
| Display Update Rate: | 2 Updates/Second | |
| Over-Range: | Display Flashes 2999 | |
| Under-Range: | Display Flashes -1999 | |
| Programming Method: | 4 Front Panel Pushbuttons (behind glass). Magnet may also be used for programming; P/N PDA-MAG. | |
| Noise Filter: | Programmable HI, LOW, or OFF | |
| Recalibration: | Recalibration is recommended at least every 12 months. | |
| Max/Min Display: | Max/Min readings reached by the process are stored until reset by the user or until power to the meter is turned off. | |
| Password: | Programmable password restricts modification of programmed settings. | |
| Non-Volatile Memory: | All programmed settings are stored in non-volatile memory for a minimum of ten years if power is lost. | |
| Normal Mode Rejection: | 64 dB at 50/60 H | |
| Operating Temperature: | -40 to 75°C | |
| Storage Temperature: | -40 to 75°C | |
| Relative Humidity: | 0 to 90% non-condensing | |
| Connections: | Removable screw terminals accept 12 to 22 AWG | |
| Tightening Torque: | Screw terminal connectors: 4.5 lb-in (0.5 Nm) | |
| Enclosure: | Explosion-proof cast aluminum with glass window, 0.30% max copper content, corrosion resistant powder coating, color: blue. NEMA 4X, IP68. Two ½" NPT threaded conduit openings. One ½" NPT nickel plated brass conduit plug with 10 mm hex key fitting installed. | |
| Mounting: | May be mounted directly to conduit. Two mounting holes for 1.5" pipe or wall mounting. | |
| Weight: | 40 oz (1.13 kg) | |
| Overall Dimensions: | 4.30" x 4.27" x 3.62" (109 mm x 108 mm x 92 mm) (W x H x D) | |
| Warranty: | 3 years parts & labor | |
| Input | ||
| Input: | 4-20 mA | |
| Accuracy: | ±1 count | |
| Temperature Drift: | 50 PPM/°C from -40 to 75°C ambient | |
| Decimal Point: | User selectable decimal point | |
| Minimum Span: | Input 1 & Input 2: 0.40 mA | |
| Maximum Voltage Drop: | 1.7 VDC @ 20 mA; 3.7 VDC @ 20 mA with backlight option. | |
| Equivalent Resistance: | 85 Ω @ 20 mA without backlight; 245 Ω @ 20 mA with backlight | |
| Loop-Powered Backlight Option: | Factory installed only with field wiring option. Powered directly from the 4-20 mA loop, no batteries required. The display brightness will increase as the input signal current increases. | |
| Enclosure Approvals | ||
| FM & CSA: | FM Approved & CSA Certified. Explosion-proof for use in Class I, Division 1, Groups B, C, and D; Dust-Ignition-proof for Class II, Division 1, Groups E, F, and G, Class III; hazardous (classified) locations, indoor and outdoor (Type 4X and IP66) USA: Indoor and outdoor (Type 4X and IP66); Ta = -40°F to +185°F FM Certificate: 3028184 Canada: Indoor and outdoor (Type 4X); Ta =-40°C to +85°C CSA Certificate: 1726044 | |
| ATEX & IECEX: | ATEX Certified: Group 2, Category 1 (Zone 1), Gases, Vapors, Mists, or Dusts: II 2 G D, Ex d IIC, Ex tD A21 IP68, Ta = -40°C to +85°C. ATEX Certificate: Sira 07ATEX1331U IECEx Certified: Flameproof, Gas Group IIC, Ex d IIC, Ex A21 tD IP68, Ta = -40°C to +85°C. IECEx Certificate: IECEx SIR 07.0111U |
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