Sick PHT Pressure Transmitter
Sick PHT Pressure Transmitter
Sick's PHT pressure transmitter is ideal for pressure measurement requirements for demanding hygienic applications in the food and beverage, pharmaceutical and cosmetics industries.
The PHT pressure transmitters have flush mounted stainless steel membranes and a large range of hygienic process connectors. The PFT has enhanced process temperatures, resistance to corrosive fluids and a cavity free design with hygienically graded process connections certified by EHEDG and 3-A Sanitary Standards.
Sick PHT Pressure Transmitter - Features & Benefits
- Robust and precise pressure measurement technology
- Compound pressure measuring ranges from -1 to 0 bar up to -1 to +15 bar
- Available in 2 accuracy classes: <0.5% and <0.25% of span
- Flush-mounted, hermetically sealed stainless steel membrane with roughness Ra < 0.4 µm
- Wetted parts stainless steel 1.4435, housing stainless steel 1.4571
- Large range of hygienic process connectors
- Stainless steel housing and field housing with enclosure rating of up to IP 68
- Perfectly suited for demanding hygienic applications in the food and beverage, pharmaceutical and cosmetics industries
- Safe hygienic operation through EHEDG and 3-A certifications
- High reliability due to robust design and use of high-grade materials
- Withstands CIP/SIP, ensuring high system availability and reliability
- Transmitter housing is easily cleaned
- Versatile configurability optimizes solutions
| Pressure Units | bar, MPa, psi and kg/cm² |
|---|---|
| Measuring Ranges | Gauge pressure 0 bar - 0.25 bar up to 0 bar - 25 bar Absolute pressure 0 bar - 0.25 bar up to 0 bar - 16 bar Compound pressure –1 bar - 0 bar up to –1 bar - +15 bar |
| Process Temperature | -20ºC to +150ºC |
| Signal Output and Maximum Ohmic Load Ra |
4 mA to 20 mA, 2-wire (RA ≤ (L+ – 10 V) / 0.02 A [Ohm]) The variant with field housing and current output 4 mA to 20 mA features test terminals that allow metering of the signal current without having to disconnect the device. 0 V to 10 V, 3-wire (RA > 10 kOhm) |
| Zero and Span Adjustment | ± 5 % using potentiometer inside the instrument |
| Non-linearity | ≤ ± 0.2 % |
| Accuracy | ≤ ± 0.5 % of span Optional ≤ ± 0.25 % of span (adjusted in vertical mounting position with lower pressure connection) |
| Non-repeatability | ≤ ± 0.1 % of span |
| Response Time (10% to 90%) | ≤ 10 ms |
| Long-term Drift / One-year Stability | ≤ 0.2 % of span |
| Temperature Coefficient in Rated Temperature Range | Mean TC of zero: ≤ 0.2 % of span/ 10 K, with pressure ranges 0 bar to 0.6 bar to 0 bar to 25 bar ≤ 0.25 % of span/ 10 K, with pressure range 0 bar to 0.4 bar ≤ 0.4 % of span/ 10 K with pressure range 0 bar to 0.25 bar Mean TC of span: ≤ 0.2 % of span / 10 K |
| Rated Temperature Range | 0ºC to +80ºC |
| Wetted Parts | Stainless steel 1.4435 |
| Internal Transmission Fluid | Synthetic oil, FDA approved |
| Housing Material | Stainless steel 1.4571 |
| Electrical Connection / Enclosure Rating | Round connector M12 x 1, 4-pin, IP 67 L-connector (DIN EN 175301-803 A), IP 65 Field housing IP 67 Flying leads, 1.5 m, IP 68 (zero and span not adjustable) Flying leads, 3 m, IP 68 (zero and span not adjustable) |
| Supply Voltage | 10 V DC to 30 V DC 14 V DC to 30 V DC with output signal 0 V to 10 V 11 V DC to 30 V DC with output signal 4 mA to 20 mA and field housing |
| Electrical Safety | Overvoltage protection: 36 V DC Short-circuit protection: QA towards M Reverse polarity protection: L+ towards M Protection class: III |
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