This document is a manual for Anderson Guardian 5541, which introduces the basic information, installation, operation and maintenance of the product.
The Guardian is a circular chart recording thermometer designed for dairy farm milking, cooling, storage, and cleaning applications. It records temperature continuously on a rotating chart and includes alarm relays for temperature monitoring.
The manual covers wiring and installation, operation of the recorder, chart and pen maintenance, calibration checks, alarm settings, specifications, construction details, environmental limits, and warranty information.
| Inputs | RTD 100 Ω Platinum, –1 °C to 82 °C (30 °F to 180 °F) |
|---|---|
| Relay Outputs | SPDT contacts, 5 A @115 V AC, 2.5 A @230 V AC |
| Chart Size | 10‑inch highlighted green‑zoned chart |
| Power Requirements | Line voltage 90‑264 V AC, 50/60 Hz |
| Enclosure Rating | NEMA 4X |
| Operating Temperature Range | 0 °C to 50 °C (32 °F to 122 °F) |
| Weight | 12 lb maximum |