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Pressure Control Convection Enhanced Pirani Gauge Comparison Chart

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	KJLC^™ Pirani Gauge	MKS^™ Granville-Phillips^™ 925 MicroPirani^TM Vacuum Transducer	KJLC^™ 275 Series Gauge Tubes	KJLC^™ 275i Series Gauge with Integrated Controller & Display	KJLC^™ 300 Series Gauge with Integrated Controller & Display
Measurement Method	Pirani	MEMS Pirani	Convection Enhanced Pirani	Convection Enhacned Pirani	Convection Enhacned Pirani
Active / Passive	Active	Active	Active	Active	Active
Measurement Range Torr (mbar)	3.75e^-4 to 760 (5e^-4 to 1000)	1e^-5 to 1000 (1.3e^-5 to 1333)	1e^-4 to 1000 Torr (1.3e^-4 to 1333)	1e^-4 to 1000 Torr (1.3e^-4 to 1333)	1e^-4 to 1000 Torr (1.3e^-4 to 1333)
Accuracy (typical)	±50% of reading (3.75e^-4 to 7.6e^-4 Torr) ±15% of reading (7.6e^-4 to 75 Torr) ±50% of reading (75 to 760 Torr)	±10% of reading (5e^-4 to 1e^-3 Torr) ±5% of reading (1e^-3 to 100 Torr) ±25% of reading (100 Torr to atm)	0.1 mTorr resoution (5e^-4 to 1e^-3 Torr) ±10% of reading (1e^-3 to 400 Torr) ±2.5% of reading (400 Torr to atm)	0.1 mTorr resoution (5e^-4 to 1e^-3 Torr) ±10% of reading (1e^-3 to 400 Torr) ±2.5% of reading (400 Torr to atm)	0.1 mTorr resoution (5e^-4 to 1e^-3 Torr) ±10% of reading (1e^-3 to 400 Torr) ±2.5% of reading (400 Torr to atm)
Units	Controller Dependent	Torr mBar Pa	Controller Dependent	Torr / mTorr mBar	Torr / mTorr mBar
Temperature - Operating (Range)°C	5 to 60	0 to 40	0 to 50	0 to 50	0 to 40
Temperature - Operating (Range)°F	40 to 140	32 to 104	32 to 122	32 to 122	32 to 104
Display (selection guide)	No	Yes	No	Yes	Yes
Set-Point Relays	2 Optional	3 Optional	No	1	2
Analog Output	0 to 10.3 VDC (voltage range) 1.9 to 10 VDC (measurement range)	1 to 9 VDC, 100Ω maximum output impedance, 1 volt/decade	log-linear 1 to 8 VDC , 1 V/decade non-linear analog S-curve 0.375 to 5.659 Vd	log-linear 1 to 8 VDC , 1 V/decade non-linear analog S-curve 0.375 to 5.659 Vd	1a) non-linear S-curve 0.375‐5.659 VDC, or 1b) log-linear 1‐8 VDC, 1V/decade 2) linear 0‐10 VDC, user scalable
Recommended Mounting Orientation	Any	Any	Horizontal	Horizontal	Horizontal
Input Power	14 to 30 VDC, <2 W	9 to 30 VDC, < 1.5 watts max	12-28 VDC, 2 W	12-28 VDC, 2 W	12-28 VDC, 2 W
Communications	Analog	Analog/Digital	Analog/Digital	Analog/Digital	Analog/Digital
Connector	FCC68/RJ45 8 Pin Female	9 Pin Sub D 15 Pin Sub D FCC68/RJ45 8 Pin Female Hirschmann 6 Pin	9 Pin Sub D	9 Pin Sub D	9 Pin Sub D 15 Pin Sub D
Compliance and Standards	CE RoHS UL CSA	EMC Directive 2004/108/EEC	CE RoHS	CE RoHS	CE RoHS
Benefits		Vibration Touch Screen Display Alarm Sleek Design

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