3500/77-03-00 Bently Nevada Recip Cylinder Pressure Monitor

3500/77-03-00 Bently Nevada Recip Cylinder Pressure Monitor – 4-Channel Protection for Reciprocating Compressors

Key Technical Specifications

• Brand: Bently Nevada
• Model: 3500/77-03-00
• Series: 3500/77M Recip Cylinder Pressure Monitor
• Input channels: 1 to 4 channels of Bently Nevada approved positive voltage 3rd-party pressure transducers (psia)
• Input impedance: 50 kΩ with Internal/External Termination Cylinder Pressure I/O
• Power consumption: 7.8 Watts with transducer supplies at full load
• Frequency response: 0 to 5.5 kHz on all configured pressure channels
• Pressure accuracy at +25°C: Within ±0.5% of pressure transducer full-range (9.5 Volts: From +0.5 to +10.0 Volts)
• Pressure accuracy over -30°C to +65°C: Within ±1.0% of pressure transducer full-range (9.5 Volts: From +0.5 to +10.0 Volts)

Scale Factor Range

• 100 psia range: 95,000 mV/psi
• 250 psia range: 38,000 mV/psi
• 500 psia range: 19,000 mV/psi
• 1000 psia range: 9,500 mV/psi
• 2500 psia range: 3,800 mV/psi
• 5000 psia range: 1,900 mV/psi
• 10,000 psia range: 950 mV/psi

Measured Variables

• Discharge Pressure
• Suction Pressure
• Maximum Pressure
• Minimum Pressure
• Compression Ratio
• Peak Rod Compression
• Peak Rod Tension
• Degree of Rod Reversal

Front Panel Indicators and Buffered Outputs

• OK LED: Shows the monitor operates properly
• TX/RX LED: Shows communication with other 3500 rack modules
• Bypass LED: Shows Bypass Mode status
• Buffered transducer outputs: One coaxial connector per channel on the front
• Output impedance: 550 Ω
• Protection: Each connector is short-circuit protected
• Note: Buffered Transducer Outputs on monitors using the Cylinder Pressure I/O module are inverted and offset by -2.265 Vdc

Transducer Power Supply

• Voltage: +23.0 ± 0.8 Vdc
• Current limiting: 24.5 mA on each channel

Environmental Limits and Installation

• Operating temperature with Internal/External Termination Cylinder Pressure I/O Module: -30°C to +65°C (-22°F to +150°F)
• Storage temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 95% non-condensing
• Rack space: Monitor uses 1 full-height front slot; I/O modules use 1 full-height rear slot
• Monitor module dimensions: 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in)
• Monitor module weight: 0.91 kg (2.0 lb)
• I/O module dimensions: 241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in)
• I/O module weight: 0.20 kg (0.44 lb)

Packing List

• 1 x Bently Nevada 3500/77-03-00 Recip Cylinder Pressure Monitor
• 1 x Cylinder Pressure I/O Module with Internal Terminations
• 1 x Mounting hardware kit
• 1 x Quick start guide

Shipping and Support

• We keep this 3500/77-03-00 in stock and ship within 5 days.
• We use FedEx, UPS, and DHL for fast and reliable delivery.
• We accept returns within 30 days.
• All units are brand new and original.

FAQ

• Q: What is the input impedance of the 3500/77-03-00?
  A: The Cylinder Pressure I/O input impedance is 50 kΩ.
• Q: Which transducer types does this monitor accept?
  A: It accepts 1 to 4 channels of Bently Nevada approved positive voltage 3rd-party pressure transducers.
• Q: What is the frequency response?
  A: The frequency response is 0 to 5.5 kHz on all configured pressure channels.
• Q: What is the operating temperature range?
  A: With the Internal/External Termination Cylinder Pressure I/O Module, it is -30°C to +65°C.
• Q: How many measured variables does each channel provide?
  A: Each channel provides eight measured variables, including discharge pressure, suction pressure, and compression ratio.
• Q: How many rack slots does this monitor need?
  A: The monitor uses 1 full-height front slot, and the I/O module uses 1 full-height rear slot.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628

Partner NexAuto Technology Limited : https://www.nex-auto.com/