Products

4 to 20 ma output, 0.0 to 1.0 in/sec pk, 3.5 to 2.0 khz, top exit, 4-pin m12 connector, both standard and metric stud are included

4-20 MA VELOCITY TRANSMITTER

Model 655A91

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(Pricing valid only in the U.S.)

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4 to 20 mA output, 0.0 to 1.0 in/sec pk, 3.5 to 2.0 kHz, top exit, 4-pin M12 connector, both standard and metric stud are included

Measurement Range: (±5%)0.0 to 1 in/sec pk (0.0 to 25.4 mm/s pk)
Output: 4-20 mA
Frequency Range: (±10%)600 to 60000 cpm (10 to 1000 Hz)
Sensing Element: Ceramic
Weight: 4.2 oz (120 gm)

Specification Notes

[1] 1Hz = 60 cpm (cycles per minute).
[2] Conversion Factor 1 in/sec = 0.0254 m/sec.
[3] Conversion Factor 1g = 9.81 m/s².
[4] Typical.
[5] See PCB Declaration of Conformance PS235 for Details

	English:	SI:
Performance
Measurement Range (±5 %)	0.0 to 1 in/sec pk	0.0 to 25.4 mm/s pk	[2]
Output	4-20 mA	4-20 mA
Frequency Range (±10 %)	600 to 60000 cpm	10 to 1000 Hz	[1]
Frequency Range (±3 dB)	210 to 120,000 cpm	3.5 to 2000 Hz	[1]
Transverse Sensitivity	≤5 %	≤5 %
Repeatability	±2 %	±2 %
Environmental
Temperature Range	-40 to 221 °F	-40 to 105 °C
Enclosure Rating	IP68	IP68
Vibration Limit	250 g pk	2,452.5 m/s² pk	[3]
Shock Limit	2500 g pk	24,525 m/s² pk	[3]
Electrical
Excitation Voltage	12 to 30 VDC	12 to 30 VDC
Load Resistance	50 (Vs-10) Ohms	50 (Vs-10) Ohms
Settling Time	30 sec	30 sec	[4]
Electrical Isolation (Case)	>100000000 Ohm	>100000000 Ohm
Physical
Size - Hex	15/16 in	15/16 in
Size - Height	2.20 in	55.8 mm
Size - Diameter	1.0 in	25.4 mm
Weight	4.2 oz	120 gm
Mounting Thread	1/4-28 UNF	No Metric Equivalent
Mounting Torque	2.0 ft-lb	2.71 Nm
Sensing Element	Ceramic	Ceramic
Sensing Geometry	Shear	Shear
Housing Material	316L Stainless Steel	316L Stainless Steel
Sealing	Welded Hermetic	Welded Hermetic
Electrical Connector	4-Pin, M12	4-Pin, M12
Electrical Connection Position	Top	Top

* All specifications are at room temperature unless otherwise specified.

Accessories


Supplied
081A40	Mounting stud, 1/4-28 x 0.438" long stainless steel screw with hex socket and brass tip	1
ICS-51 NIST		1
M081A61	Mounting stud, 1/4-28 to M6x1 x 8.6 mm long, BeCu w/shoulder	1