Dimensional specification:
	- Diameter tolerance: ± 0.1 mm
 
	- Length tolerance: up to 10” long ± 2 mm   Over 10” ± 2% of sheath length Minimum length: 250 mm
 
	- Tubular heater with flanged or bulk head fittings.
 
	- Pressure tests for leakage as per customer requirements.
 
 Electrical specification:
	- Maximum voltage: 440 volts (dependent upon diameters & lengths)
 
	- High voltage stability: 1500 volt ac (cold)
 
	- Insulation resistance :> 5 MĪ
 
	- Leakage current: < 0.2 mA at 253 volt AC
 
	- Temperature of connection head & connection lead wire: 500 degree F
 
	- Wattage tolerance: ± 5 %; -10 %
 
	- Resistance tolerance: ± 10 %; -5 %