Samson 5476 manual Sensor resistance tables, Appendix

Appendix

12.3 Sensor resistance tables

Resistance values with PTC resistors

Type 5224 Outdoor Temperature Sensors, Type 5264 and Type 5265 Flow and Return Flow Temperature Sensors, Type 5264 Storage Tank Temperature Sensors

°C	–20	–10	0	10	20	25	30	40				50		60		70		80		90	100	110	120
Ω	694	757	825	896	971	1010	1050	1132				1219		1309		1402		1500		1601	1706	1815	1925
Type 5244 Room Sensor
									°C		10		15		20		25		30
Switch position				, terminals 1 and 2					Ω	679			699		720		741		762

Resistance values with Pt 100 resistors

Suitable Pt 100 sensors include

￿Outdoor temperature sensor: Type 5225

￿Flow and return flow temperature sensors: Type 5204, Type 5205-47

￿Storage tank temperature sensor: Type 5205

￿Room temperature sensor: Type 5255

°C	–35	–30	–25	–20	–15	–10	–5	0	5	10
Ω	86.25	88.22	90.19	92.16	94.12	96.09	98.04	100.00	101.95	103.90
°C	15	20	25	30	35	40	45	50	55	60
Ω	105.85	107.79	109.73	111.67	113.61	115.54	117.74	119.40	121.32	123.24
°C	65	70	75	80	85	90	95	100	105	110
Ω	125.16	127.07	128.98	130.89	132.80	134.70	136.6.	138.50	140.39	142.29
°C	115	120	125	130	135	140	145	150
Ω	144.17	146.06	147.94	149.82	151.70	153.58	155.45	157.31

Resistance values with Pt 1000 resistors

Use the resistance values listed in the table for Pt 100 resistors and multiply them by 10. Suitable Pt 1000 sensors include:

￿Outdoor temperature sensor: Type 5227-2

￿Flow and return flow temperature sensors: Types 5207, 5277-2 (thermowell required) and 5267-2

￿Storage tank temperature sensor: Types 5207, 5277-2 (thermowell required)

￿Room temperature sensor: Type 5257-1, room temperature sensor with remote control: Type 5257-5

98EB 5476 EN