Varec® Temperature Comparisons

Varec Temperature Product Comparison

	8500	9909	4120*

	Spot Sensor	Multi-Element Sensor	Multi Spot or Average Transmitter
Temperature Elements	Copper or Platinum (DIN)
# of Elements	Provides 1	Provides 6 - 10	Supports 1 - 10
Max. Tank Height	-	50 ft (17 m)	-
Accuracy	±0.25 °F (± 0.14°C)	Type I: ± 0.25°F (± 0.14°C) Type II: ± 0.5 °F (± 0.28°C)	± 0.5 °F (± 0.28 °C)
Communications	-	-	HART® or ATTI Bus
Intrinsically Safe	-	-	-
Explosion Proof Enclosure	Yes	-	Yes

	4535	4538	4539

	Average Temperature Sensor	Average Temperature / Water Bottom Signal Convertor	Average Temperature Sensor/ Transmitter/ Water Bottom Probe
Temperature Elements	Platinum (DIN)	Copper or Platinum (DIN)
# of Elements	Supports 2-16		Provides 2 - 16
Max. Tank Height	90 ft (30 m)	-	90 ft (30 m)
Accuracy	±0.5°F (± 0.28°C)	± 0.3°F (± 0.15 °C)	Temperature: ± 0.1°C Water Bottom: ± 2mm or better
Communications	HART®	HART®	HART®
Intrinsically Safe	Yes	Yes	Yes (pending Approval)
Explosion Proof Enclosure	Yes	Yes	Yes (pending Approval)

* Discontinued Product