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  1. Detection - Measurement
  2. Flow, Pressure and Level Measurements
  3. Relative pressure transmitter
  4. Sitron

Relative pressure transmitter SP21
piezoresistiveanalog12 Vdc

Relative pressure transmitter - SP21 - Sitron - piezoresistive / analog / 12 Vdc
Relative pressure transmitter - SP21 - Sitron - piezoresistive / analog / 12 Vdc
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Characteristics

Pressure type
relative
Technology
piezoresistive
Output
analog
Supply voltage
12 Vdc
Mounting
threaded, flange
Process connection
NPT 1/4
Fluid
for gas, for liquids
Material
stainless steel
Protection level
IP67, IP65, IP66
Applications
for HVAC systems, for marine applications, for refrigeration circuits, for boiler, for railway applications
Other characteristics
compact, economical, sanitary
Pressure range

Min.: 0.1 bar
(1.45 psi)

Max.: 1,000 bar
(14,503.77 psi)

Precision

0.5 %

Long-term stability

0.2 %

Process temperature

Min.: -20 °C
(-4 °F)

Max.: 80 °C
(176 °F)

Description

The SP21 monitors the pressure range of a wide variety of both liquids and gases. This economical unit features a 304SS body, 316SS diaphragm with either silicone or olive oil filled sensor and either M12 or DIN43650 electrical connection. It is available in pressure ranges from 0…100milibar to 0…1000bar Optional Accessories: TR202 Relay Digital readout + 2X active relays/ 1X F.S. Relay + passive 4…20mA out Application: Pressure and Level Measurement in Liquids and Gas Operating Voltage: 12...30Vdc Consumption: Max 22mA Output Signal: 4...20mA (2 wires) 0.5...4.5/ 1...5V/ 0...5V (3 wires) upon request Protection: Polarity Inversion Sensor: 316 S.S Piezoresistive Silicone Sensor Over Pressure: 3 x F.S. Electrical Connection: DIN 43650 Connector / M12 Connector Process Connection: 1/4”...1 1/2” BSP or NPT - Flange or Sanitary Body Material: 304 S.S Zero & Span Coefficent: 1.5% F.S (-20...85°C) General applications Compressors and Pumps Sanitary process and control Refrigeration, HVAC and boilers Industrial hydraulic machinery Transportation, marine, rail equipment

Catalogs

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Pressure

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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