OFV-2500 Series Vibrometer Controllers - Tech. Data

General Specifications

Controller type	OFV-2500	OFV-2510	OFV-2502
Dimensions (L x W x H)	235 mm x 320 mm x 150 mm (½ 19”, 42 HP/3 U)	235 mm x 320 mm x 150 mm (½ 19”, 42 HP/3 U)	450 mm x 360 mm x 135 mm (19“, 84 HP/3 U)
Analog signal outputs	-Velocity -Displacement   (integrator option) -Signal strength  (0…+5 V)	- Displacement - Signal strength  (0…+5 V)	- Velocity A/B - Signal strength A/B  (DC 0…+5 V)
Digital interfaces	- RS-232	- RS-232 - TTL interface to external fringe counter  - TTL trigger input	- USB 1.1 interface to control the vibrometer
Weight	5.6 kg	5.5 kg	9 kg
Power	100 VAC ... 240 VAC ±10 %, 50/60 Hz, max. 75 W
Ambient temperature	+5 °C … +40 °C (41 °F … 104 °F)
Storage temperature	-10 °C … +65 °C (14 °F … 149 °F)
Relative humidity	max.  80 %, non-condensing
Compatibility	OFV-505/503, OFV-551/552, OFV-534 Sensor Heads 1)

¹⁾ When operating the OFV-534 Sensor Head with the OFV-2510 and OFV-2502 Controllers, the signal level display on the sensor is not available.

OFV-2500-2 Performance Specifications

Velocity Decoder
Range	Full scale (peak)	Lower frequency limit	Upper frequency limit	Resolution (typical) 1)	Acceleration	Linearity error
mm s-1/V	m/s	Hz	kHz	µm s-1/√Hz	g	± %
10	0.1	0.5	250	0.2	16,000	1
100	1.0	0.5	3,000	0.5	1,900,000	1
1,000	10(7) 2)	0.5	3,200	2.5	15,300,000	1
Displacement Decoder (Optional Integrator)
µm/V	µm	Hz	kHz	nm	g	± %
0.01	0.1	1,000	250	depends on velocity range setting	depends on velocity range setting	2.5
0.1	1	1,000	250			2.5
1	10	1,000	250			2.5
10	100	100	250			2.5
100	1,000	10	20			2.5
1,000	10,000	10	20			2.5
10,000	100,000	10	20			2.5

¹⁾ The noise-limited resolution is defined as the signal amplitude (rms) at which the signal-to-noise ratio is 0dB with 1 Hz spectral resolution, measured on 3M Scotchlite Tape® (reflective film). The typical value refers to the center of the operating frequency range.
²⁾ 10 m/s @ 300 kHz; 7m/s @ 3200 kHz

OFV-2500-3 Performance Specifications

Velocity Decoder
Range	Full scale (peak)	Lower frequency limit	Upper frequency limit	Resolution (typical) 1)	Max. acceleration	Linearity error
mm s-1/V	mm/s	Hz	kHz	µm s-1/√Hz	g	± %
2	20.0	0	100	0.02	1,280	< 0.1
5	50.0	0	100	0.02	3,200	< 0.1
10	100	0	350	0.05	22,000	< 0.1
20	200	0	350	0.06	44,000	< 0.1
50	500	0	350	0.06	110,000	< 0.1

¹⁾ The noise-limited resolution is defined as the signal amplitude (rms) at which the signal-to-noise ratio is 0dB with 1 Hz spectral resolution. measured on 3M Scotchlite Tape® (reflective film). The typical value refers to the center of the operating frequency range.

OFV-2510 Performance Specifications

Displacement Decoder
Range	Full scale (peak to peak) 1)	Lower Amplitude limit	Upper frequency limit 2)	Resolution (typical) 3)	Max. acceleration	Linearity error 4)
µm/V	µm	µm	Hz	µm/count	g	± %
80	1,280	0.4	800	0.08	14,500	1
160	2,560	0.8	400	0.16	14,500	1
320	5,120	1.5	200	0.32	14,500	1
640	10,240	3.0	100	0.64	14,500	1
1280	20,480	6.0	50	1.28	14,500	1
2,560	40,960	12.0	25	2.56	14,500	1
5,120	81,920	25.0	12	5.12	14,500	1

OFV-2502 Performance Specifications

Velocity Decoder
Range	Full scale (peak)	Lower frequency limit	Upper frequency limit	Resolution (typical) 1)	Max. acceleration	Linearity error
mm s-1/V	M/s	Hz	kHz	µm s-1√Hz	g	± %
5	0.05	0.5	250	0.1	8,000	1 %
25	0.25	0.5	1,500	0.3	240,000	1.5 %
125	1.25	0.5	1,500	0.4	1,200,000	1 %

Compliance with Standards

Laser safety	IEC/EN 60825-1 (CFR 1040.10, CFR 1040.11)
Electrical safety	IEC/EN 61010-1
EMC	IEC/EN 61326