Emerson 8712E manual Rosemount 8705 and 8711 Sensors, Maximum Process

Quick Installation Guide

Rosemount 8712 / 8700 Series

00825-0100-4664, Rev BB January 2013

Table 12. Electrical Data

Rosemount 8705 and 8711 Sensors
Coil excitation circuit:	40 V DC (pulsed), 0,5 A, 20 W maximum
Electrode circuit:	in type of explosion protection intrinsic safety EEx ia IIC, Ui			= 5 V, li = 0.2 mA,
	Pi = 1 mW, Um = 250 V
Table 13. Relation between ambient temperature, process temperature, and temperature class(1)
		Maximum Process			Temperature
Meter Size (Inches)	Maximum Ambient Temperature	Temperature			Class
1/2	115 °F (65 °C)	239 °F (115 °C)			T3
1	149 °F (65 °C)	248	°F (120 °C)		T3
1	95 °F (35 °C)	95	°F (35 °C)		T4
11/2	149 °F (65 °C)	257	°F (125 °C)		T3
11/2	122 °F (50 °C)	148 °F (60 °C)			T4
2	149 °F (65 °C)	257	°F (125 °C)		T3
2	149 °F (65 °C)	167 °F (75 °C)			T4
2	104 °F (40 °C)	104 °F (40 °C)			T5
3 - 36	149 °F (65 °C)	266	°F (130 °C)		T3
3 - 36	149 °F (65 °C)	194 °F (90 °C)			T4
3 - 36	131 °F (55 °C)	131 °F (55 °C)			T5
3 - 36	104 °F (40 °C)	104 °F (40 °C)			T6
6	115 °F (65 °C)	275 °F(135 °C)			T3
6	115 °F (65 °C)	230 °F (110 °C)			T4
6	115 °F (65 °C)	167 °F (75 °C)			T5
6	140 °F (60 °C)	140 °F (60 °C)			T6
8-60	115 °F (65 °C)	284	°F (140 °C)		T3
8-60	115 °F (65 °C)	239 °F (115 °C)			T4
8-60	115 °F (65 °C)	176 °F (80 °C)			T5
8-60	115 °F (65 °C)	145 °F (65 °C)			T6

(1)This table is applicable for KD approval codes only.

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