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Stanford Research PPM100 Residual Gas Analyzer Partial Pressure Monitor/Controller Features: -Stand-alone RGA controller -8-channel process control -Pressure vs. time curves -4 analog input/output ports -RS-232, GPIB and USB -Web enabled Description: The PPM100 is a stand-alone controller/monitor for SRS residual gas analyzers. It measures partial pressures from SRS RGAs and total pressure from up to four capacitance manometers. Graphical output is available on a touch screen LCD display. The PPM100 includes 8-channel process control capability, four analog I/O ports, RS-232, USB and GPIB computer interfaces, and a web interface.

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The Unit's Serial Number Tag Reads: Serial Number: 68098 Display Specifications: Type: Back-lit, touchscreen LCD (4.7" diag.) Resolution: 320 x 230 pixels Modes: Numeric, bar graph, P vs. T Units: Torr, mbar, bar, Pa and micron Numeric Resolution: 3-digit mantissa plus exponent Update Rate: 2 samples per second Analog I/O Specifications: Ports: 4 configurable analog ports Range: ±12 VDC Resolution: 14-bit (In), 12-bit (Out) Update Rate: 2 Hz Connector: BNC Capacitance Manometer Specifications: Number of Gauges: Simultaneous readout of up to four capacitance manometers using the auxiliary inputs. Auxiliary Power Output: ±15 VDC, 100 mA (for CM power) Process Control Specifications: Number of Channels: 8 channels with programmable setpoint, polarity, hysteresis, delay, audio signal and text messages. Input Signals: Total pressure (CM gauge), partial pressure (RGA), voltage (analog I/O ports), time (internal clock), TTL and gauge status. Output Signals: Relay and TTL level Relays: SPDT, form C, 5 A / 250 VAC / 30 VDC, resistive load TTL Outputs: Active low, opto-isolated Manual Control: All channels can be operated from the front panel. Remote TTL Control: 7 opto-isolated channels (Fil on/off, Degas on/off, Fil lockout, Keypad lockout, Data logging reset, screen enable/disable, remote enable/disable) General Specifications: Interfaces: RS-232, USB, and GPIB (std.). Ethernet interface w/embedded web server Power Requirements: 90 to 264 VAC, 47 to 63 Hz, 60 W Operating Temperature: 0°C to +40°C, non-condensing, < 90% humidity Weight: 11 lbs. Dimensions: 8.5" W x 5.25" H x 16" L