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SECTION 2 – PRODUCT SPECIFICATIONS
Model Number
MPC95
MPC02
MPC05
MPC20
Control Valve Type
Normally closed proportional solenoid valve
Maximum Flow Capacity (N
2
unless otherwise
noted) (Note 1)
0.5 SLPM
2.0 SLPM (N
2
or Helium)
5.0 SLPM
20 SLPM
Compatible Gases
Nitrogen/air, oxygen, argon, carbon dioxide (all models except Model MPC02-BBNHP1);
Helium (Model MPC02-BBNHP1 only) - Gas must be dry, clean and oil-free.
Rangeability (Control Range)
(Refer to Table 1)
25:1 (4-100% full scale [FS])
50:1 (2-100% FS)
Response Time
1.0 second to within ±2% FS of setpoint (typical)
Accuracy
±2% FS (at 20°C and 30 PSIG)
Repeatability
±1% FS
Temperature Coefficient
±0.1% FS/°C (±0.056% FS/°F)
Flow
≥
40% FS
0.7% FS
0.4% FS
0.2% FS
Flow
≥
10% FS
Flow <40% FS
1.2% FS
0.7% FS
0.3% FS
Control
Pressure
Coefficient (Per
14.5 PSI)
Flow <10% FS
2% FS
1.2% FS
0.5% FS
0.2% FS
Minimum Differential Pressure
(Note 3)
7 PSIG
7 PSIG
14.5 PSIG
22 PSIG
Maximum Differential Pressure
(Note 4)
40 PSIG
Calibration Pressure (Note 2)
30 PSIG (Inlet pressure: 30 PSIG and outlet pressure: 0 PSIG)
Pressure
Maximum Operating Pressure
75 PSIG
Calibration Temperature (Note 2)
20°C
Operating Temperature Range
-10 to 50°C (14 to 122°F)
Temperature
Storage Temperature Range
-10 to 60°C (14 to 140°F)
Humidity
Operating Humidity Range
10 to 90% Relative Humidity (non-condensing)
Setpoint Input
Keypad Operation or External Setpoint Voltage Input
Resolution
Refer to Table 1
Setpoint
Setpoint Input Voltage
0 to 5 Vdc or 1 to 5 Vdc (selectable)
Display Type
7-segment LED; 8 digits (Instantaneous flow rate display: 4 digits; Setpoint flow rate display: 4 digits)
Display Resolution
Refer to Table 1
Flow Rate
Indication
Indication Accuracy
±2% FS ±1 digit
Display Range
0.00 to 999,999.99L
0.0 to 9,999,999.9L
0.0 to 9,999,999.9L
0 to 99,999,999L
Display Resolution
0.01L
0.1L
0.1L
1L
Every 5L count
Every 20L count
Every 50L count
Every 200L count
Totalizer
Function
Totalizer Backup Timing
Every hour (time) from the previous backup
Output Scale
0 to full scale flow rate (scaling selectable)
Output Signal Voltage
0 to 5 Vdc or 1 to 5 Vdc (selectable)
Maximum Output Signal Voltage
7 Vdc maximum (maximum output signal when flow rate exceeds maximum flow capacity)
Flow Rate
Output
Accuracy
±0.5% FS (Input impedance of the connected device must be 100k ohms or greater).
Overall output accuracy: Indication accuracy
±
0.5% FS
Number of Outputs
2
Output Rating
30 Vdc, 15 mAdc maximum (Open collector non-isolated output)
Totalizer Pulse Output Width
100 ms (
±
10%) (when totalizer pulse output is selected)
Event Output
Totalizer Pulse Output Rate
0.01L/pulse
0.1L/pulse
0.1L/pulse
1L/pulse
Summary of Contents for Porter MPC Series
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