Low Cost 3-1/2 Digit Loop-powered Meters (Model PD660
& PD661)
The PD660 and PD661 3-1/2 digit loop-powered meters are perfect for applications where a simple inexpensive display is required and no AC power is available. And even if the lighting is poor, the loop-powered backlighting option lets you see the display under any lighting condition. This option gets its power from the 4-20 mA input loop so there is no need for additional wiring and no batteries to ever change. The PD660 and PD661 are housed in rugged NEMA 4X and Explosion-proof enclosures so they can be mounted virtually anywhere.
- Features
- Ordering Information
- Specifications
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PD660 with backlight option
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| Model: | Description: |
| PD660-N | NEMA 4X Loop-powered Meter |
| PD660-B | NEMA 4X Loop-powered Meter with Loop-powered Backlighting |
| PD661-N | Explosion-proof Loop-powered Meter |
| PD661-B | Explosion-proof Loop-powered Meter with Loop-powered Backlighting |
- INPUT: 4-20 mA
- DISPLAY: Sharp, 0.5" high LCD, 3-1/2 digits; 1999, 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 to 2000 above 4 mA display.
- MAXIMUM INPUT CURRENT: 30 mA
- MAXIMUM VOLTAGE DROP: 1.5 VDC @ 20 mA; 3.5 VDC @ 20 mA with backlighting option.
- ACCURACY: +/-0.1% of span, +/-1 count.
- CONNECTIONS: Removable screw terminal block (provided).
- OPERATING TEMPERATURE: -40 to 85oC
- PD660 ENCLOSURE: High impact-resistant ABS plastic body, clear ABS plastic cover; NEMA 4X; 1/2" conduit hole provided at base. May be provided on back for panel mounting applications, call factory for details.
- PD661 ENCLOSURE: Cast aluminum, approved by FM and CSA; NEMA 4, 7 & 9; Class I, Groups B, C & D and Class II, Groups E, F, & G. Two 1/2" NPT holes provided.
North California Office :- 285-A Bel Marin Keys Blvd - Novato, CA - 94949 PH: (415) 382 - 9710 FAX: (415) 382 - 9720