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Specifications: | |
DPC Series Precision Digital Mass Flow Controllers |
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Flow Medium: | |
Please note: DPC Mass Flow Controllers are designed to work only with clean, non-corrosive gases. Never try to control flow rates of liquids with any DPC product. |
Calibrations:
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Performed at standard conditions [14.7psia (101.4kPa) and 70°F (21.1°C)] unless otherwise requested or stated. |
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Environmental (Per IEC 664): | |
Installation Level II; Pollution Degree II. |
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Flow Accuracy (Including Linearity): | |
±(0.5% RD + 0.2% FS) at calibration temperature and pressure conditions after tare. |
Repeatability:
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±0.2% of full scale.
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Flow Temperature Coefficient:
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0.05% of full scale/ °C or better. |
Flow Pressure Coefficient:
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0.01% of full scale/psi (6.895kPa) or better. |
Typical Flow Response Time:
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Default 150 ms (adjustable). |
Instrument Warm-Up Time:
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<5 Seconds. |
Maximum Controllable Flow Range:
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133% of Full Scale |
Operating Range/Turndown Ratio:
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0.5% to 100% of Full Scale/200:1 |
Mass Reference Conditions STP:
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70°F & 14.696 PSIA (other available on request). |
Maximum Internal Gas Pressure (Static):
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120 PSIG. |
Maximum Instantaneous Differential Pressure Across Differential Sensor:
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12 PSID. |
Proof Pressure:
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145 PSIG. |
Valve Type:
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Normally Closed.
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Operating Temperature:
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-10 to 60°C (14 to 140°F). |
Mounting Attitude Sensitivity:
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None. |
Relative Gas Humidity Range:
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0 to 100% (Non-Condensing). |
Ingress Protection:
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IP40. |
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Analog Output Signals: | |
Linear 0-5Vdc (3000 ohms minimum load impedance);
Linear 0-10Vdc (5000 ohms minimum load impedance);
Linear 4-20mA (550 ohms maximum load impedance) with power supply ≥ 14Vdc
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Analog Set Point (Input Signals): | |
Linear 0-5Vdc, 0-10Vdc (100K input impedance)
Linear 4-20mA (250 Ohm input Impedance).
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Transducer Input Power: | |
12 to 26 Vdc,150mV maximum peak to peak output noise. Power consumption: 250mA maximum for DPC07, DPC17; 300mA Maximum for DPC37, DPC47.
24 to 26 Vdc for DPC57, DPC67, DPC77. Power consumption 650mA maximum, circuit boards have built-in polarity reversal protection: 300mA for DPC07, DPC17, DPC37, DPC47 (750mA for DPC57, DPC67 and DPC77).
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Digital Ouput Signals: | |
Standard RS-232 or RS-485 (user selectable). Optional Modbus over isolated RS-485 transceiver. |
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**Materials In Fluid Contact: | |
316 stainless steel, 416 stainless steel, high temperature polyamide, alumina ceramic, poxy, silicone, glass, gold. FKM O-rings standard (Optional Buna-N®, EPR® or FFKM O-rings available upon request). |
