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Disposable Medical Pressure Sensor - MEAS 1620

• Operating Pressure Range: -50~ 300mmHg
• Sensit​ivity: 4.95~5.05 uV/V/mmHg
• Calibrat​ion: 97.5~102.5 mmHg
• Supply Vo​ltage: 2 - 10 Vdc or Vac rms
• Warm​-Up Time: 5 Seconds
• Frequency Resp​onse: 1200Hz
• Operating Tem​perature: 10°C to 40°C
• Humidity (External) : 10-90% (non-condensing)​

  • Model Number: MEAS 1620
  • Data Sheet: Date Sheet File
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Product Specification

1620 Disposable Medical Pressure Sensor Specifications
• Disposable Blood Pressure Sensor
• AAMI Specifications
• Low Cost Disposable
• Dielectric Gel Barrier
• Fully Tested & Calibrated

The 1620 is a fully piezo resistive silicon pressure sensor for use in invasive blood pressure monitoring. The sensor is designed to be used with automated assembly equipment and can be dropped directly into a customer's disposable blood pressure housing. The sensor is designed to meet the requirements as described in the Association for the Advancement of Medical Instrumentation (AAMI) specification for Blood Pressure Transducers.

The pressure sensor consists of a pressure sensing element mounted on a ceramic substrate. Thick film resistors on the ceramic substrate are laser trimmed for compensation and calibration. A plastic cap is attached to the ceramic substrate to provide an easy method of attachment to the customer’s assembly and protection for the sensing element. A dielectric gel is placed over the sensor to provide electrical and fluid isolation.

The products are shipped on a tape and reel. Performance characteristics and packaging can be easily tailored on a special order basis to meet the requirements of specific customers.

1620 Disposable Medical Pressure Sensor Features
• Low Cost, Medical Applications
• Small Size and Reliable Performance
• Gel Isolation for Liquids
• Operates from 10°C to 40°C
• Compatible for Automated Assembly
• 1% Accuracy for Replacements
• 5.0 uV/V/mmHg Sensitivity
• Customization for OEM Applications

1620 Disposable Medical Pressure Sensor Applications
• Surgical Procedures
• Intensive Care Units
• Infusion Pumps
• Kidney Dialysis Machines
• Vacuum Assisted Birth
• Intrauterine Monitoring

1620 Disposable Medical Pressure Sensor Performance Specifications
Supply Voltage: 6.0 Vdc
Ambient Temperature: 23°C (unless otherwise specified)

Parameters
      Min     
      Typ     
      Max     
 Units
Operating Pressure Range
 -50
300 mmHg
Over Pressure
 125

psi
Zero Pressure Offset
 -20
20 mmHg
Sensitivity
 4.95
 5.00 5.05 uV/V/mmHg
Calibration
 97.5 100 102.5 mmHg 
Linearity and Hysteresis (-30 to 100 mmHg)
 -1
1 mmHg 
Linearity and Hysteresis (100 to 200 mmHg)
 -1
1 % Output
Linearity and Hysteresis (200 to 300 mmHg)
 -1.5
1.5 % Output
Input Impedance



1620-A
 1200
3200 Ω
1620-E
 1200
3200 Ω
1620-F
 325
375 Ω
Output Impedance
 285
315 Ω
Output Symmetry
 0.95
1.05 Ratio
Supply Voltage
 2 6 10 Vdc or Vac rms
Risk Current (@ 120 Vac rms, 60Hz)

2 uA
Warm-Up Time
5
Seconds
Frequency Response
1200
Hz
Offset Drift

2 mmHg
Thermal Span Shift
 -0.1
0.1 %/°C
Thermal Offset Shift 
 -0.3
0.3 mmHg/°C
Phase Shift (@ 5KHz)

5 Degrees
Light Sensitivity (3000 Foot Candle)
1
mmHg
Defibrillator withstand (400 joules)
 5

Discharges
Sterilization (ETO)
 3

Cycles
Operating Temperature
 10
40 °C
Storage Temperature
 -25
+75 °C
Humidity (External) 
 10-90% (non-condensing)
Operating Product Life
 168 Hours
Shelf Life
 5 Years
Dielectric Breakdown
 10000Vdc
Media Interface
 Dielectric Gel
Volume Displacement
 4.5 x 10-4 mm3
Weight
 0.5 grams

1620 Disposable Medical Pressure Sensor Ordering Information

1620
   -   A   -   N T
Model
   -   Pad Type
   -   Pressure Port Type
 Shipping
1620
   -      A = Pad Type "A"
   E = Pad Type "E"
   F = Pad Type "F"
   -      N = Narrow Hole
   W = Wide Hole
    T = Tape and Reel


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