Ht20 Mini Differential Pressure Sensor Cell for Liquid Test

The HT20 is a silicon piezoresistive differential pressure sensor featuring a highly stable diffused silicon element. The sensing core is enclosed in a 316L stainless steel housing, with pressure transmitted through a stainless steel diaphragm and sealed silicon oil to the sensitive chip. This fully solid-state construction prevents direct contact between the chip and measured media, enabling precise differential pressure measurement even in harsh and corrosive environments.

• Stable and reliable performance
• High resistance to static pressure
• Cost-effective solution
• Silicon piezoresistive oil-filled pressure-sensitive element

• Differential pressure detection
• Pressure calibration instruments
• Liquid level measurement
• Industrial process control

• Power Supply: ≤2mA DC (Typical 1.5mA DC)
• Input Impedance: 3KΩ~6KΩ
• Output Impedance: 2.5KΩ~6KΩ
• Electrical Connection: Gold-plated Kovar pins or 100mm high-temperature wires

Parameters tested under conditions: 1.5mA @ 25°C

The outgoing end is the positive terminal. If there are any changes in the wire colors, please refer to the label attached to the sensor for accurate information.

• Ensure proper fit between core size and transmitter housing for required airtightness
• During housing assembly, maintain vertical alignment and apply even pressure to avoid damaging the compensation plate
• Provide special instructions when ordering if measured medium is incompatible with 316L diaphragm material
• Avoid pressing sensor diaphragm with hands or sharp objects to prevent damage
• Keep pressure port open to atmosphere and prevent entry of water, vapor, or corrosive media
• Refer to the label on the actual core for pin lead configuration changes