FTMG-ISD25AXX - 1100213

Features
Measurement principle Calorimetric (flow, temperature), piezoresistive (pressure)
Medium Compressed air (air quality ISO 8573-1:2010 [3:4:4]), helium, argon, nitrogen, carbon dioxide
Measured values Mass, Mass flow rate, volume, Volumetric flow rate, Power, Flow velocity, pressure, temperature
Nominal width measuring tube DN 25
Measuring range
Standard 14.7 l/min ... 2,945.2 l/min 1)
0.5 m/s ... 100 m/s 1)
Enhanced 2,945.2 l/min ... 4,417.9 l/min 1)
100 m/s ... 150 m/s 1)
Process temperature –20 °C ... +60 °C
Process pressure 0 bar ... 16 bar
Communication interface IO-Link, IO-Link V1.1
Temperature measurement ✔
Pressure measurement ✔
Indication ✔
128 x 128 pixels, adjustable rotary OLED display (90° steps) and 4 pushbuttons
1) Reference conditions according to DIN 1343 (atmospheric pressure 1,013 mbar, compressed air temperature 0 °C).

Performance
Measurement accuracy
Standard ± 3 % of the measured value + 0.3% of the measuring range limit value (extended measuring range) 1)
Enhanced ± 8 % of the measured value + 1% of the measuring range limit value (extended measuring range)
Repeatability ± 1.5 % From measured value 1)
Response time < 0.3 s
Temperature measurement
Measurement accuracy (temperature) ± 2 °C 2)
Repeatability (temperature) ± 0.5 °C 2)
Pressure measurement
Measurement accuracy (pressure) ± 1.5 % of measuring range end value 3)
Non-linearity (pressure) ± 0.5 % from measuring range 3)
Repeatability (pressure) ± 0.2 % from measuring range 3)
1) Reference conditions during measurement: media conditions: air according to ISO 8573-1:2010 [3:4:4] or better; static pressure = 7 ± 0.2 bar (abs.); medium temperature 22 ± 3 °C; straight inlet zone > 250xDN; average filter can be parameterized by customer: 10 seconds / ambient conditions: ambient temperature 15 °C ... 25 °C; ambient pressure: 1013 mbar / measured value via digital interface.
2) When flow rate ≥ 10% of the measuring range limit value (standard measuring range).
3) Evaluation according to DIN EN 61298-2 best fit straight line.

Electronics
Supply voltage 17 V DC ... 30 V DC 1)
Power consumption < 4.5 W at 24 V DC without output load
Initialization time ≤ 10 s
Protection class III
Connection type M12 x 1 round connector, 5-pin, A-coded
Output signal 1x analog output 4 mA ... 20 mA + 1x digital/analog output (PNP, NPN, push-pull, 4 mA ... 20 mA / switchable), frequency pulse output + 1x digital output (PNP, NPN, push-pull, switchable), IO-Link V1.1 (COM3 / 230K4 baud)
Output load 4 mA ... 20 mA, max. 500 ohm
Lower signal level 3.5 mA ... 3.8 mA
Upper signal level 20.5 mA ... 21.5 mA
Inaccuracy

QA Pin2: < 0.5% full-range (20 mA)

Q2 Pin5: < 0.5% full-range (20 mA)
Digital output ≤ 100 mA
Signal voltage HIGH > Uv - 2 V
Signal voltage LOW ≤ 2 V
Inductive load ≤ 1 H
Capacitive load ≤ 100 nF (2.5 nF, IO-Link mode)
MTTF > 100 years
1) All connections are reverse polarity and overload protected. Q1 and Q2 are short-circuit protected. Use an energy-limited circuit for the voltage supply as per UL61010-1 3. Outp.

Mechanics
Process connection G 1 (according to DIN ISO 228-1)
Wetted parts Probe: stainless steel 1.4305, PA6; seal: FKM (Viton®); measurement channel: aluminum
Housing material PC+ABS, PA66+PA6I GF50, PC, TPE, stainless steel 1.4301
Enclosure rating IP65/IP67 (according to IEC 60529) 1)
Weight Approx. 685 g
1) Not UL-tested.

Ambient data
Ambient operating temperature –20 °C ... +60 °C 1)
Ambient temperature, storage –40 °C ... +85 °C
1) According to the UL approval: degree of contamination 3 (UL61010-1: 2012-05); air humidity: 80% at temperatures up to 31 °C; installation altitude: max. 3,000 m above sea level.