Vaisala PDT102 Differential Pressure Transmitter

Features

  • High accuracy, two options; 0.25 % or 0.50 % of span
  • In-place system calibration and online monitoring without disturbing process tubes with optional process valve actuator and test jacks
  • Front side accessible zero and span adjustment potentiometers
  • Extremely robust MEMS silicon sensor technology provides very high accuracy, sensitivity, stability, and durability
  • Ultrathin profile ideally suited for DIN rail mount reduces installation and calibration costs
  • Calibrations traceable to SI units through national metrology institutes or accredited calibration laboratories
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Dpstar is a leading supplier of environmental measurement sensors for temperature, relative humidity, pressure, dew point, CO2, and other environmental condition monitoring for industrial process application and research. Since the ’90s, we earned a reputation as a trusted partner to our clients through our commitment and dedication. We are an authorized distributor and supplier of measuring sensors solutions from renowned manufacturers Vaisala. Vaisala is a global leader in environmental and industrial measurement. Building on 80 years of experience, Vaisala provides observations for a better world. Vaisala is a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services.

Vaisala PDT102 Differential Pressure Transmitter  is a high performance instrument designed primarily for life science and high technology cleanroom applications, the PDT102 features a robust MEMS silicon sensor technology that provides superior accuracy, sensitivity, stability and durability. The front panel includes zero and span adjustment potentiometers for convenient adjustment. The PDT102 transmitter is ideal for incorporating into the Vaisala viewLinc Continuous Monitoring System to measure and monitor the critical environmental parameters as required in regulated environments.

Dimension

Applications

PDT102 is designed for use in critical monitoring of cleanrooms for:

  • Pharmaceutical
  • Biotechnology
  • Medical Device
  • Semiconductor

Key Benefits

Ideal For Demanding Cleanroom Environments
The PDT102 is highly suited for regulated environments where continuous, documented and redundant data is a required to meet regulations.

Robust Sensing Technology
The silicon sensor uses a micro-machined, ultra-thin silicon diaphragm that provides repeatability and stability.

High Performance Measurement
The PDT102 offers stability, sensitivity and very high accuracy with two options for accuracy, 0.25% or 0.50% of span providing a highly reliable and repeatable measurement.

Specification

Measurement Performance
Measurement ranges (bidirectional ±50 Pa ±0.25 in H2O
Accuracy 1) 0.25 % span or 0.5 % span, depending on choice
Repeatability for 0.25 % span accuracy 0.03%
Repeatability for 0.5 % span accuracy 0.05%
Electrical resolution 1 x 10-4 span
Long-term stability ≤0.5 % span/year
Response time (10 … 90 %) 250 ms
Warm-up time 15 s
Compensated temperature range +2 … +57 °C (+35.6 … +134.6 °F)
Temperature dependence ±(0.036 Pa + 0.036 % of reading) / °C or ±(0.0001 in H2O + 0.02 % of reading) / °F (reference 21 °C or 70 °F)
Pressure type Differential, gauge, vacuum and compound
Overpressure
Proof pressure 0.7 bar
Burst pressure 1.7 bar
Static pressure 1.7 bar
Mounting Position
Error (zero adjustable) ≤0.25 %
Adjustments (front accessible)
Zero ±5 % span
Span ±3 % span
1) Incl. non-linearity, hysteresis, repeatability and zero/span calibration settings.
Inputs and Outputs
Process connection 1/8 NPT female according to ANSI/ ASME B1.20.1
Operating voltage 12 … 36 V DC
Max. loop resistance for 4 … 20 mA ≤ (Supply voltage – 12V)/0.022 A
Electrical connection Screw terminals, 12 … 22 AWG (0.33 up to 3.31 mm2)
Output Signal
2-wire 4 … 20 mA
3-wire 0 … 5 V
Supply current
For 0 … 5 V output Max. 10 mA
For 4 … 20 mA output Max. 20 mA
Mechanical Specifications
Medium (measured gas) Clean and dry air, non-conducting and non-corrosive gases
Mounting DIN rail types EN 50022, EN 50035 and EN 50045
Weight 0.16 kg
Material
Process connection Brass
Sensor element Silicon, aluminum, glass
Case Polycarbonate, glass filled (UL94-V-1)
Operating Environment
Operating temperature −29 … +70 °C (−20.2 … +158 °F)
Storage temperature −40 … +82 °C (−40 … +179.6 °F)
IP rating IP30
Note: If used in an electromagnetic field of 3 V/m, with narrow frequency area of 80 – 120 MHz, it is possible that the current output of PDT102 can deviate max. 0.3 % (with accuracy specified 0.25 %)
Compliance
EU directives EMC
EMC compatibility EN 61326‑1, basic immunity test requirements
Compliance marks CE, RCM

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