The 88-PRO is an economical, easy to use 1/8 DIN screwdriver scalable (Zero & Span pots) process display. It needs only a 4-20mA input signal. No power supply is necessary.
The 88-PRO is a self powered display that operates using the loop signal to power the unit, with a voltage drop of 2.5V across the input terminals. Inputs available are 4-20mA, 10-50mA or 1-5mA loop signal and the display can be set with one or two fixed zeros, selectable via jumper switches, allowing a maximum reading of 19990 to 199900 to show on the display.
| Input connections | 4-20mA Current input |
| Input Signal | 4-20mA. A voltage drop of 2.5V DC will appear across the input terminals |
| Digits | 3 1/2 digits, 12mm high. Legible up to 5 metres away. Up to 2 fixed zeros. |
| Digit colour | Black LCD on silver background |
| Scaling | Zero and Span potentiometers |
| Filtering | Fixed 0.3 Second |
| Last digit Round-up | Fixed count by 1. Option to add an extra fixed 0 or 00 digits. |
| Front panel controls | Zero and Span potentiometers. Decimal point position jumper switch. |
| Power options | Powered by 4-20mA input signal |
| Accuracy | +/-0.1% of range |
| Thermal stability – range | +/- 100ppm/oC |
| Thermal stability – offset | +/- 100ppm/oC |
| Connectors | Detachable screw terminals |
| Bezel size | 96mm wide x 48mm high. 13mm forward. |
| Panel cutout | 92mm wide x 45mm high. +1mm, -0mm |
| Depth behind panel | 93mm including connectors + cable. |
| Sealing | IP54 standard, IP67 with optional SPC4 cover |
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