4
Morrison Bros. Co. ‑ Dubuque, IA ‑ 800‑553‑4840
1218C‑0142 PP rev 11‑28‑2018
Specications
The 1218C Electronic Tank Gauge is intended to be located in an Ordinary Location. Its inputs are intrinsically
safe for use with Class I, Division 1 Group D. T4 Hazardous location with all Morrison Bros. Co. 1218 Sensors.
This is an intrinsically safe device and must be wired in accordance with National Electrical Code
Article 500. This device and its wiring may not share any junction box, conduit, or raceway with any other type
circuit or wiring. Do not perform live maintenance. Do not substitute components with anything other than
Morrison Bros. Co. components. Care must be taken to avoid an ignition hazard from impact or friction with
the enclosure.
Cet appareil intrinsèquement sécuritaire doit être branché conformément à l’article
500 du code électrique national. Il se peut que ce dispositif et son câblage ne partagent pas de boîte de
connexion, de conduit ou de canalisation avec un autre type de circuit ou de câblage. Ne menez pas de travaux
de maintenance sous tension. Ne remplacez les composantes que par des composantes de Morrison Bros. Co.
Assurez-vous d’éviter le risque d’inammation pouvant découler d’un impact ou de friction avec l’enceinte.
Entity Parameters for Channel Inputs (Terminals J5, J6, J7 and J8)
Output Contact Rating
Voltage Maximum: 240 VAC
Current Maximum: 3 Amps resistive load
Output Protection Fuse Rating: 5 Amp FA 5x20mm
Console Input Power
Nominal Input Voltage: 100 - 240VAC, Line-to-Neutral
Maximum Current Draw: 200 mA
Maximum Power Consumption: 24 W
Line Frequency: 50/60Hz
Power Supply Protection Fuse Rating: 250 mA FA 5x20mm
Operating Temperature
-40°F to 140°F (-40°C to 60°C) to 100% humidity
Enclosure Rating
NEMA 4X
Maximum wiring distance between 1218C Console and the 1218 Sensor is 1000 ft.
V
OC
= 6.51 VDC I
SC
= 1.08 A Ca = 1000 μF La = 245 μH P
O
= 1.13 W