Veeder-Root Pulse Transmitters (Pulsers) models 1871, 7697 and 7671 were designed to automate the Mechanical Meter Register 7887 and can be used in other applications that require precise emission of pulse signals to a remote display or data system.
The Pulse Transmitter model 7733 was designed exclusively to automate the Mechanical Meter Register VR-101 used in mechanical fuel pumps for commercial use.
Know more about the benefits of the Veeder-Root Pulse Transmitters.
Precision, durability and reliability are the hallmarks of Veeder-Root Pulse Transmitters (Pulsers).
MODELS 1871 AND 7697
- Fast, accurate pulsing for counters, printers and stepping motors with remote indicating and data monitoring system.
- Minimum contact bounce.
- Mount in any position.
- Approved for use in hazardous locations Class I, Group C and D.
MODEL 7671
- Solid state switching mechanism that provides fast and accurate signaling for remote indication, totalizing and data monitoring systems.
- Directional operation
- Mount in any position.
- Approved for use in hazardous locations Class I, Group C and D
MODEL 7733
- Easy installation. Replaces the liter totalizer Mechanical Meter Register VR-101.
- Simplified wiring.
- Pulse adjustments not required.
- Backstop bearing and glass display that prevent unauthorized adjustment of registered totals and over counting due to sudden closure of the fueling nozzle.
Know more about the main technical features of the Veeder-Root Pulse Transmitters.
MODELS 1871 AND 7697
- These models use a reed switch, a magnet and a synchronized gear train to produce pulses.
- Pulse output signal: square wave
- Switch: SPST
- Contact capacity: maximum 50 VA resistive, do not exceed 250 V or 3 A
- Contact resistance: 500 miliohms
- Pulse time: 40% to 60% on, remaining time off
- Operating temperature: 0°C to 71°C
- Direction of rotation: bidirectional
- Service life: up to 200 million pulses, depending on the electrical charge and the shaft speed.
- Drive shaft: 6.4 mm diameter, 10.4 mm standard length
- Torque: maximum 216.2 g.cm
- Wiring: 3 #18 AWG wire leads of 120 cm
- Mounting: 3 blind tapped holes with 1/4"-20 NC screws spaced 120 degrees apart in 63.5 mm diameter bolt circle.
Model 1871 Features
- Pulse numbers: 1, 2, 4 or 5 pulses per revolution
- Pulse frequency: 1 cycle per shaft revolution
- Speed: 0 to 3,000 pulses per minute. Drive shaft maximum speed is 300 rpm.
Model 7697 Features
- Number of pulses: 10 pulses per revolution
- Pulse frequency: 10 cycles per shaft revolution
- Speed: 0 to 6.000 pulses per minute. Drive shaft maximum speed is 600 rpm.
MODEL 7671
- Power supply voltage: 10 to 15 VDC, 75 mA maximum at 15 VDC
- Bidirectional rotation, clockwise or anticlockwise.
- Input shaft speed: 600 rpm maximum
- Dual or single output channel.
- Output pulse: dual output channel at 50 ppr, staggered or overlapping; single channel at 100 ppr.
- Operating environment: 0°C to 82°C
- Storage temperature: 0°C to 125°C
- Drive shaft: 6.4 mm diameter, 42.47 mm standard length
- Maximum torque: 144 gm.cm
- Wiring: 4 or 5 #18 AWG wire leads of 120 cm
- Mounting: 3 blind tapped holes with 1/4"-20 NC screws spaced 120 degrees apart in 63.5 mm diameter bolt circle.
MODEL 7733
- Pulse numbers: 50 pulses per liter
- Pulse time: 40% to 60% on, off at the remaining time
- Contact capacity: appropriate only for use with intrinsic barrier (not supplied)
- Maximum switching charge: 250 A
- Maximum switching tension: 28 Vcc
- Switch: SPST
- Operating temperature: 0°C a 71°C
- Service life: 250 million pulses (only when used use with the intrinsic barrier)
- Wiring: 2 # 22 AWG leads of 22.5 cm (supplied with the product)
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Gilbarco Veeder-Root reserves the right to change one or more specifications of its products with no prior notice whenever improvements are made. Be sure to check the current product specification at the time of purchase.
The Pulse Transmitters is a Veeder-Root product.
Veeder-Root is a trademark of Gilbarco Veeder-Root.