Flow meter for compressed air and gas insertion or inline
The KET-MPA flowmeter is based on the thermal mass flow rate and is ideal for measuring the flow of compressed air and gas.
Available as an insert for pipes from DN50 (2") to DN300 (12") or in-line for pipes from DN15 (1/2") to DN40 (1 1/2").
With the KET-MPA, the consumption of compressed air, nitrogen, CO2 or other non-corrosive and non-flammable gases can be measured up to a pressure of 16 bar (232 PSI).
The insertion flow meter can be mounted/disassembled under pressure without interruption of the flow, safely with non-return protection.
GENERAL SPECIFICATIONS
| Protection Range | Inline: IP65 |
| Operative Temperature | -20 ÷ +80 °C |
| Storage Temperature | -20 ÷ +60 °C |
| Relative Humidity | MAX 99% not condensing |
POWER SUPPLY
| Supply Voltage | 18 ÷ 30 VAC / VDC |
| Consumption | Max 200 mA |
| Connectors types | Cable gland M16x1.5 (optional connector M12x1 8pol.) |
RS485 INTERFACE
| Supported Protocols | ModBUS RTU |
ANALOG INPUTS
| Analog Inputs | 4 - 20 mA for pressure sensor |
DIGITAL OUTPUTS
| Channels | Pulse of lenght 0.02 ÷ 2 sec |
ANALOG OUTPUTS
| Output Type | Voltage: 0 ÷ 10 V max. 1 mA; Current: 0 ÷ 20 mA and 4 ÷ 20 mA RL<500 Ohm |
RELE' OUTPUTS
| Voltage Output | 44 VDC |
| Maximum Rated Current | 500 mA |
COMPRESSED AIR FLOW METER
| Measurand | Volumetric flow at standard conditions acc. DIN 1343; P0 = 1013.25 mbar (14.7 PSI); T0 = 0 °C (32 °F) |
| Measure Range | Insertion: 0.2 ÷ 200 Nm/s; Inline: varies according to DN, from 0.32 ÷ 63 Nm³/s (DN15) to 2.26 ÷ 452 Nm³/s (DN40) |
| Accuracy | ± (1.5% of measuring value + 0.8% of full scale) |
| Temperature Coefficient | ± (0.1% of measuring value / °C) |
| Pressure Coefficient | +0.5% of measuring value / bar |
| Response Time | < 1 s |
| Tube Diameter | Insertion: Ø 50 ÷ 300 mm; Inline: Ø 15 ÷ 40 mm |
CERTIFICATIONS
| Referends Standard | EN61326-1, EN61326-2-3 |
| Approvals | CE |
Available Models
| Codice | Tube Diameter | Version |
|---|---|---|
| KET-MPA-015 | DN 15 (1/2”) | In Line |
| KET-MPA-020 | DN 20 (3/4”) | In Line |
| KET-MPA-025 | DN 25 (1”) | In Line |
| KET-MPA-032 | DN 32 (1 1/4”) | In Line |
| KET-MPA-040 | DN 40 (1½) | In Line |
| KET-MPA-050 | DN 50 (2”) | Insertion |
| KET-MPA-065 | DN 65 (2 1/2”) | Insertion |
| KET-MPA-080 | DN 80 (3”) | Insertion |
| KET-MPA-100 | DN 100 (4”) | Insertion |
| KET-MPA-125 | DN 125 (5”) | Insertion |
| KET-MPA-150 | DN 150 (6”) | Insertion |
| KET-MPA-200 | DN 200 (8”) | Insertion |
| KET-MPA-250 | DN 250 (10”) | Insertion |
| KET-MPA-300 | DN 300 (12”) | Insertion |
Accounting
Compressor room monitoring and efficiency
Compressed Air Consumption Monitoring
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