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A handheld, battery-powered device that uses a laser sensor to measure rotational speed or linear velocity with up to 40,000 PPS accuracy, ideal for high-precision machinery diagnostics in hard-to-reach areas.
A handheld, battery-powered device that uses a laser sensor to measure rotational speed or linear velocity with up to 40,000 PPS accuracy, ideal for high-precision machinery diagnostics in hard-to-reach areas.
The LT-880 Laser Tachometer is a hand-held, battery operated device that senses the passage of reflective/non-reflective markings on a rotating or linearly translated piece of machinery in order to determine the target’s rotational rate or its linear velocity.
The sensing head is remote from the electronics package and is fiber coupled. This permits measurement of objects in hostile environments or in hard-to-get-to locations. The sensed change in reflectivity from black to white generates a transition at its output. This TTL/CMOS compatible signal may be utilized by a spectrum analyzer, computer or electronic counter in order to provide information concerning vibration, angular or linear velocity of the machinery under test. The high speed of the unit, 40,000 PPS, coupled with its small spot size can provide high resolution measurements unattainable with conventional incandescent source tachometers.
Use the right angled adapter if it is not possible to aim the standard optical head at the target. The transmissive head is a beam breaking device that allows a < 1/4" (0.64 cm) slotted target to pass through the heads transmitter and receiver. A six digit LCD display indicates the rate of passage of the white/dark areas of the encoder and registers the results in units of revolutions per minute, (RPM), revolutions per second, (RPS), or pulses per second (PPS). The reading is updated twice per second. The user may input the number of pulses per revolution generated by the encoder for use in the subsequent calculations. They may range from 1 pulse per revolution to 255 pulses per revolution.
Features
| Units of Measurement | Revolutions per Second, Revolutions per Minute, Pulses per Second |
| Measurement Update Rate | Twice per Second |
| Readout Uncertainty | ±.02 % of Reading, ±. 1 LSD |
| Maximum Measurement Rate | 40 000 PPS |
| Range from Sensor to Target | 12 to 125 mm (using white copier paper) |
| Laser Wavelength | 650 nm ±10 nm |
| Laser Output Power | < 2 milliwatts |
| Laser Spot Size | < 0.07" (1.9 mm) at 0.51" (13 mm) range |
| Laser Beam Divergence | < 13 milliradians |
| Display | Six Digit LCD, 0.375 height, Six LED annunciators |
| Frequency Output Port | TTL pulse for each reflective sector sensed, (0 to 5 volts) |
| Output Impedance | 100 Ohms |
| Standard Fiber Optic Cable Length | 16.4' (5 m) |
| Standard Fiber Types | Receiver - 400 um core, Transmitter - 62.5 um core |
| Standard Connector Type | ST Type |
| Batteries Supplied | Four AA NiMh, 2700 mAH |
| Charger Power Requirements | 95 to 260 VAC, 50 to 60 Hz Universal, < 10 VA |
| Mains Connectors Supplied | North American, Great Britain, Continental Europe, Australian |
| Charging Time | Approximately two hours |
| Operating Temperature, Electronics, Sensor Head | 35 to 122°F (0 to 50°C), -40 to 248°F (-40 - 120°C) |
| Standard Warranty | Two years, Components and Workmanship, 30 Day Satisfaction Guarantee |
| Dimensions (Controller) | 7.87 x 3.86 x 1.5" (200 x 98 x 38 mm) |
| Dimensions (Sensor) | 1.57 x 0.51" (40 x 13 mm), 1/2 by 20 Thread, Jam Nuts Included |
| Weight | 1.01 lbs (0.46 kg) |
Click on a category to view a selection of compatible accessories with the TREND Networks LT-880 Laser Tachometer, 40,000 PPS.
| Units of Measurement | Revolutions per Second, Revolutions per Minute, Pulses per Second |
| Measurement Update Rate | Twice per Second |
| Readout Uncertainty | ±.02 % of Reading, ±. 1 LSD |
| Maximum Measurement Rate | 40 000 PPS |
| Range from Sensor to Target | 12 to 125 mm (using white copier paper) |
| Laser Wavelength | 650 nm ±10 nm |
| Laser Output Power | < 2 milliwatts |
| Laser Spot Size | < 0.07" (1.9 mm) at 0.51" (13 mm) range |
| Laser Beam Divergence | < 13 milliradians |
| Display | Six Digit LCD, 0.375 height, Six LED annunciators |
| Frequency Output Port | TTL pulse for each reflective sector sensed, (0 to 5 volts) |
| Output Impedance | 100 Ohms |
| Standard Fiber Optic Cable Length | 16.4' (5 m) |
| Standard Fiber Types | Receiver - 400 um core, Transmitter - 62.5 um core |
| Standard Connector Type | ST Type |
| Batteries Supplied | Four AA NiMh, 2700 mAH |
| Charger Power Requirements | 95 to 260 VAC, 50 to 60 Hz Universal, < 10 VA |
| Mains Connectors Supplied | North American, Great Britain, Continental Europe, Australian |
| Charging Time | Approximately two hours |
| Operating Temperature, Electronics, Sensor Head | 35 to 122°F (0 to 50°C), -40 to 248°F (-40 - 120°C) |
| Standard Warranty | Two years, Components and Workmanship, 30 Day Satisfaction Guarantee |
| Dimensions (Controller) | 7.87 x 3.86 x 1.5" (200 x 98 x 38 mm) |
| Dimensions (Sensor) | 1.57 x 0.51" (40 x 13 mm), 1/2 by 20 Thread, Jam Nuts Included |
| Weight | 1.01 lbs (0.46 kg) |
Click on a category to view a selection of compatible accessories with the TREND Networks LT-880 Laser Tachometer, 40,000 PPS.
