GS4200 General Purpose Pressure Transducer

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OVERVIEW

The GENSPEC GS4200 pressure transmitter is designed to meet the operational requirements of demanding pressure measurement applications where good quality, fast delivery, and low cost are of the highest priority.

The unique silicon-on-sapphire sensor technology provides outstanding performance and gives excellent stability over a wide temperature range. The advanced sensor design consists of piezoresistive silicon strain gauge circuit, which is epitaxially grown onto the surface of a sapphire diaphragm to form a single crystalline structure. The sapphire sensor element is then molecularly bonded to a titanium alloy sub-diaphragm. This enables the sensor to endure higherover-pressures and provides superb corrosion resistance. The sensor exhibits virtually no hysteresis and excellent long-term stability. With outstanding insulation properties, the sapphire substrate allows the sensor to operate over a very wide temperature range without loss of performance. 

Standard accuracy ±0.25% with an over pressure limit of twice the rated pressure range, this together with easy access for re-calibration affirm the excellent design. All models are supplied with integral 1/4" BSP or alternative pressure connections. Optional higher accuracy, outputs and electrical connections are available. The all titanium alloy wetted parts offer unbeatable corrosion resistance. Versions are also available offering IP66 sealing for installations requiring high levels of environmental protection. Applications for the GS4200 include the continuous monitoring of hydraulic systems with oil, gas, water, and other process liquids, industrial, medical, and aerospace industries. Also ideal for the measurement and control of pressure in refrigeration, pneumatic, compressor, HVAC, and engine monitoring systems. 

An optional ATEX IECEx approved version of this product is available for explosion protection for flammable gases (zone 0), dusts (zone 20), and mining areas (group I M1).

DNV GL rules for classification of ships, high speed, light craft, and DNV GL offshore standards.

TECHNICAL SPECIFICATIONS

Sensor technology: Silicon-on-sapphire

Output signal: 4-20 mA (2 wire)

Supply voltage: 10-36 VDC

Pressure reference: Gauge

Protection of supply voltage: Protected against supply voltage reversal up to 50 V (amplified versions)

Standard pressure ranges (bar): 0-1 bar Vac; 0-0.5 bar; 0-1 bar; 0-2.5 bar; 0-6 bar; 0-10 bar; 0-16 bar; 0-25 bar; 0-100 bar; 0-250 bar; 0-400 bar; 0-600 bar; 0-1,000 bar; 0-1,500 bar (other ranges available)

Standard pressure ranges (psi): 0-30 Hg: 0-7.5 psi; 0-15 psi; 0-30 psi; 0-100 psi; 0-150 psi; 0-200 psi; 0-300 psi; 0-1,500 psi; 0-3,000 psi; 0-6,000 psi; 0-8,700 psi; 0-15,000 psi; 0-20,000 psi (other ranges available)

Overpressure safety: 4x for 0.5 bar range; 2x for ranges -1 bar to 600 bar; 1.5x for 1,000 bar range; 1.1x for 1,500 bar range

Load driving capability: 4-20 mA: RL <[UB - 10V] / 20 mA (e.g. with supply voltage (UB) of 36 V, max. load (RL) is 1300Ω) 10 mV/V: n/a; 0-5 V: max. load RL> 5KΩ; 0-10 V: max. load RL > 10 KΩ

Accuracy NLHR: ≤ ±0.25% of span BFSL (optional higher accuracy version of  ≤ ±0.1% of BFSL available)

Zero offset and span tolerance: +0.5% FS at room temperature (GS4201: ±1 mV); ±5 %FS (approx.) adjustment with easy access trimming potentiometers on amplified versions only

Operating ambient temperature: -40°C to +85°C (-40°F to +185°F)

Operating media temperature: -50°C to +125°C (-58°F to +257°F)

Storage temperature: +5°C to +40°C (+41°F to +104°F) recommended best practice

Temperature effects: ±1.5%FS total error band for -20°C to +70°C. Typical thermal zero and span coefficients ±0.015%FS/°C

ATEX/IECEx approval (4-20 mA version only): Ex II 1 G Ex ia IIC T4 Ga (zone 0), Ex II 1 D Ex ia IIIC T135 °C Da (zone 20), Ex I M 1 Ex ia I Ma (group 1 M1)

ATEX/IECEx safety values: Ui=28V, li=119 mA, Pi=0.65 W, Li=0.1 μH, Ci=74 nF, temperature range= -20°C to +70°C, max. cable length= 45 m

DNV GL approval class: Yemperature: D; Humidity: B; Vibration: B; EMC: B; Enclosure: C (contact sales for more information)

Electromagnetic capability: Emissions: EN61000-6-3; Immunity: EN61000-6-2; Certification: CE Marked

Insulation resistance: >100MΩ @ 50 VDC

Response time 10-90%: 1 mS

Wetted parts: titanium alloy (1/4" BSP male(G1/$) and 1/4" NPT male thread); other thread options typically titanium alloy/316L stainless steel

Pressure media: All fluids compatible with titanium alloy (1/4" BSP male (G1/4) and 1/4" NPT male); other threads typically titanium alloy/ 316L stainless steel

Pressure connection: 1/4" BSP male (G1/$); 1/4" NPT male; 1/4" BSP male (G1/2); 1/2" NPT males and 1/4" BSP female (other options available)

Electrical connection: Making socket EN 175301-803 Form A (ex DIN 43650) rated IP 65 with PG 9 vable entry (other options available)

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