MKS HPS 919 Series, Operation And Maintenance Manual

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19
Hot Cathode Ionization High Vacuum Senor System
Power Requirement 100, 120, 220, or 240 VAC
50 or 60 Hz
Power Consumption 120 W max
Degas Power 30 W max (I 2 R)
Filament Power Supply 8 VAC @ 4.5 A max
Output Voltage Proportional to log
10
of pressure
1 V per decade (1 to 9 V)
Emission Current 1 mA at P < 1.0 x 10
-4
Torr
100 uA at P > 8.0 x 10
-5
Torr,
regulated to 3%
Fuse Rating, Size T 1.25 A for 100 VAC
T 1.00 A for 120 VAC
T 0.63 A for 220 VAC
T 0.50 A for 240 VAC
all are Ø 5 mm x 20 mm
Display Green LED with 2 significant digits
(1 leading) and 1½ digit signed
exponent; 7-segment digits, 14 mm
in height; units shown in either
Torr, mbar, or Pascal
Indicators Green LEDs for set points, filament,
and degas status
Update Rate 7.5 times/sec
Electronic Casing Aluminum, anodized
Dimensions 9½" x 9½" x 3½"
(W x D x H) (241 mm x 241 mm x 89 mm)
Size ½ rack
Weight 7.5 lb (3.4 kg)
Product Safety CE Mark
89/336/EEC EMC Directive
73/23/EEC LV Directive
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