The document introduces a product called EI141, which is a current measurement instrument. It has an input impedance of 5 ohms and supports multiple input types. It can be operated and calibrated using the front panel keypad, and has a 4-digit display with adjustable scale and decimal point. The product also features parameter access protection, maximum and minimum measurement value registration, and display hold functions.
The CAL EI141 Programmable Indicator is a panel‑mountable 4‑digit yellow LED display device for measuring voltage or current signals. It offers selectable input types (0‑20 mA, 4‑20 mA, 0‑1 V, 0‑10 V), adjustable scale from –1999 to 4000, configurable decimal points, and calibration functions.
The manual covers installation, wiring, programming, and safety requirements, including supply voltage options, environmental limits, IP ratings, and protection levels. It also details the operation of the front‑panel keypad and the parameter adjustment procedures.
| Display size | 34 × 77 mm |
|---|---|
| Display type | 4‑digit 7‑segment yellow LED |
| Supply voltage options | 230 V AC, 24 V AC, 12 V AC, 9‑30 V DC |
| Power consumption | Max 7 VA |
| Input types | 0‑20 mA, 4‑20 mA, 0‑1 V, 0‑10 V |
| Display scale range | -1999 to 4000 |
| Decimal point digits | 1 to 3 |
| Weight | ≈250 g (packed) |
| Dimensions (W×H×D) | 77 mm × 34 mm × 70 mm |
| Front panel IP rating | IP60 |
| Rear panel IP rating | IP20 |
| Operating temperature range | 0 °C … +50 °C |
| Maximum relative humidity | 80 % (up to 31 °C) |
The device consumes up to 7 VA.