10 Technical data
The technical data of customised versions may differ from the data in these instructions. Please observe the information specified on the type plate.
| Type | FMG 91 |
| FMG 92 |
| FMG 93 |
| FMG 94 |
| FMG 95 |
| FMG 96 |
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| Measurement device characteristics |
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| Flow range [GPM] | 0.066…1.3 | 0.26…5.3 |
| 0.66…13.2 | 1.3…26.4 | 2.6…53 | 3.3…66 | |||||
| Accuracy |
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| 1% of reading |
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| Repeatability |
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| 1% |
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| Output signal | 0.02 |
| 0.07 | 0.27 |
| 0.52 |
| 1.05 |
| 1.3 |
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| starting from [GPM] |
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| Max. flow rate [GPM] | 1.6 |
| 6.6 | 15.8 |
| 31.7 |
| 63.4 |
| 79.3 |
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| Response time |
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| < 100 ms |
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| Indications |
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| red LED = Supply voltage • green LED = Flow |
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| Output signal characteristics |
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| Frequency output: |
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| - Pulse rate / K- |
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| Factor * | 15000 |
| 3000 | 1500 |
| 750 |
| 380 |
| 300 |
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| [pulses/gal] |
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| - Resolution * | 0.25 |
| 1.0 | 2.5 |
| 5.0 |
| 10.0 |
| 12.5 |
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| [ml/pulse] |
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| - Signal shape |
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| Square wave signal • duty cycle 50:50 |
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| can be connected as PNP or NPN open collector |
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| - Signal current |
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| ≤ 25 mA |
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| Electrical characteristics |
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| Supply voltage |
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| 24 VDC ±15% or 12 VDC ±15% |
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| Power consumption |
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| 0.6 W |
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| Electrical protection |
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| Electrical connection |
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| Degree of protection |
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| IP 65 (only with a connected coupling) |
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| Process variables |
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| Medium to measure |
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| Water and other conductive liquids |
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| min. conductivity of |
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| 20 μS/cm |
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| the medium |
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| Medium temp. |
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| 14…140 °F (not freezing) |
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| Ambient temp. |
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| 41…140 °F |
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| Nominal diameter | DN 8 |
| DN 15 | DN 20 |
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| DN 25 | |||||
| Inner diameter | 0.31 inch |
| 0.55 inch | 0.71 inch | 0.98 inch | |||||||
| Max. working |
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| 145 psi (68 °F) • 116 psi (104 °F) • 87 psi (140 °F) |
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| pressure (at …) |
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| higher pressure ratings on demand |
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| Process connection | ½ - 14 NPT |
| ¾ - 14 NPT | 1 - 11.5 NPT | 1¼ - 11.5 |
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| NPT | |