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Pressure Control Wide Range Combination Gauge Comparison Guide


KJLC® Cold Cathode/Pirani Combination Gauge
KJLC® 392
MKS® Granville-Phillips® 390
Measurement Method Cold Cathode / Pirani Hot Filament Ion Gauge / Convection Enhanced Pirani Hot Filament Ion Gauge / Convection Enhanced Pirani / Piezo
Measurement Range
Torr
7.6E-10 to 760 (1E-09 to 1000) 1E-09 to 1000 (1.3E-09 to 1333) 1e-9 to 1000 (1.3E-09 to 1333)
Accuracy (typical) ±30% of reading (7.6e-10 to 76 Torr)
±50% of reading (76 to 760 Torr)
Ionization: ±15% of reading (1e-8 to 5e-2 Torr)
Convection: ±10% of reaching (1e-3 to 400 Torr); ±2.5% of reading (400 to 1000 Torr)
±15% of reading (1e-9 to 0.1 Torr)
±10% of reading (0.1 to 150 Torr)
±2.5% of reading (150 to 1000 Torr)
Units Controller Dependent Torr
mbar
Pa
Torr
mbar
Pa
Ports Single Port Multi-port (2 or 3) Single Port
Temperature - Operating (Range)°C (°F) 5 to 55 (40 to 130) 0 to 40 (32 to 104) 10 to 40 (50 to 104)
Temperature - Bakeout Max °F (°C) 150 (300) 200 (392), Electronics Removed 105 (221), Electronics Removed
Display Type No Digital Optional, Digital
Set-Point Relays Controller Dependent 3 3, Optional
Relay Response Controller Dependent 1A at 30 VDC resistive, 0.3 A at 125 VAC non-inductive 1 A at 30 VDC, resistive load
Analog Output 0 to 10.5 VDC Ionization only: One log-linear 0 to 9 Vdc, 1 V/decade, semi-log
Used as a full range gauge: One 0.5 to 7 Vdc, 0.5 V/decade, semi-log Convection Gauge 1 & 2: Two 1-8 Vdc, 1 V/decade, semi-log or two non-linear 0.375 to 5.659 Vdc
Absolute Pressure: Logarithmic, 0.5 to 7.0 VDC, 0.5 V/decade
Differential Pressure: Linear 1-5 VDC, -750 to +250 Torr
(-1000 to +333mbar; -100 to +33 kPa)
Input Power 14.5 to 30 VDC, ±2 W 20 to 28 VDC, 30 W protected against power reversal and transient over-voltages RS-485/Analog: 24 VDC +10% to -15%, 1 Amp, 22W nominal
DeviceNet: 24 VDC (11 to 26.4 VDC) at 0.2A nominal
Communication Analog Analog
RS485
Analog
Connector FCC68/RJ45 8 Pin 9 Pin Sub D Male 15 Pin Sub D Male (RS485 / Analog)
5 Pin Micro Connector (DeviceNet)
Compliance and Standards CE
RoHS
UL
CSA
CE
RoHS
CE
RoHS
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