The PZT050D pressure transmitters are characterized by their modular process connection system and are suitable for measuring pressure and filling level in hygiene applications. The flush-mounted measuring cell with stainless steel membrane enables measuring ranges of -1/0…0.35bar to -1/0…100bar. The robust construction of the stainless steel field housing containing the protection classes IP 67 and IP 69K, makes the PZT050D pressure transmitter suitable for all common exterior cleaning procedures.
The 050D series pressure transmitters are equipped with a micro processor controlled electronics system and an accuracy of ≤ ± 0.2% FS. They are parametrized with a simple and user-friendly operating concept via 2 keys and a multi-color status LED. A Turn Down of up to 4 can be set using the full and empty adjustment.
The process connection is characterized by the elastomer-free sealing cone, providing a metallic seal. A wide range of hygienic process connections are available as process connection adapters. This includes the female unions DIN 11864-1, VARIVENT®, DRD, DIN 32676 clamp etc.. The modular process connection system of the PZT050D pressure transmitter makes an active contribution to cost-reduction.
Features:
- simple parametering via 2-key concept and multi-colour status-LED
- accuracy ≤ ± 0,2%FS
- modular process connection system with elastomic free sealing cone
- output signal 4…20mA, TURNDOWN 4
- measuring ranges from -1/0…0,35bar up to -1/0…100bar
- easy to clean and high protection classes IP 67 und IP 69K
- simple calibration, even without disconnection of the transmitter, through switchable power supply plant / calibrator supply
- for measurement of pressure and filling level in tanks and pipes with basic requirements
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Specification:
| General details | ||||||||||||
| Device type/measuring principle | PZT050D: piezoresistive | |||||||||||
| Input | ||||||||||||
| Measuring ranges | PZT050D | |||||||||||
| Standard nominal measuring range [bar] | Relative | OP | Absolute | OP | Relative | OP | Absolute | OP | ||||
| OP = overload protection [bar] | 0 to 0.35 | 1 | -1/0 to 10 | 30 | 0 to 10 | 30 | ||||||
| Special measuring ranges are available on request | 0 to 1 | 3 | 0 to 1 | 3 | -1/0 to 30 | 90 | 0 to 30 | 90 | ||||
| -1/0 to 2.5 | 8 | 0 to 2.5 | 8 | -1/0 to 100 | 250 | 0 to 100 | 250 | |||||
| All measurement cells are vacuum safe | -1/0 to 5 | 15 | 0 to 5 | 15 | ||||||||
| Setting the measuring ranges | via the 2 keys within the transmitter | |||||||||||
| Setting ranges | Measuring range begin | zero: | 0…..75% | of the sensor’s nominal measuring span | TD=4 | |||||||
| Measuring span | span: | 25 to 100% | of the sensor’s nominal measuring span | |||||||||
| Burst pressure DIN16086 | >= 4-fold nominal measuring range | |||||||||||
| Output | ||||||||||||
| Output signal | 2-wire: 4 to 20mA with a test circuit connection in the device | |||||||||||
| Fault signal | 22mA | |||||||||||
| Current limitation | 3.8mA and 21mA (normal operation, cannot be set) | |||||||||||
| Measuring accuracy | ||||||||||||
| Reference conditions | acc. to DIN IEC 770 | |||||||||||
| Linearity, hysteresis and repeatability acc. to the limit point method DIN IEC 770 | ≤ ± 0.2% of the sensor nominal measuring range | |||||||||||
| Activation time | < 2 s (The device will carry out a self-test.) | |||||||||||
| Setting time | < 1s | |||||||||||
| Long-time drift | ≤ 0.2% of the span per year | |||||||||||
| Thermal hysteresis | ≤ | 0.2% of the sensor’s nominal measuring range / 10K (-20 to +80°C) from 4 bar | ||||||||||
| ≤ | 0.3% of the sensor’s nominal measuring range / 10K (-20 to +80°C) up to 0.6 bar | |||||||||||
| Conditions of use | ||||||||||||
| Installation position / calibration position | Any position / standing vertically | |||||||||||
| Medium temperature | T1: | -40 °C to +125 °C (140 °C for max. an hour) | ||||||||||
| T2: | -40…+200°C (high-temperature version) | |||||||||||
| Ambient storage temperature | -40…+85°C (below -20 °C danger of cable breakage) | |||||||||||
| Protection class acc. to EN60529 | IP 67 and IP 69K | |||||||||||
| Electromagnetic compatibility | acc.to EN 61326-1 | |||||||||||
| Construction | ||||||||||||
| Electrical connection | – Standard: | M16x1.5 cable screw connection, nickel-plated brass (stainless steel available on request) | ||||||||||
| – Optional: M12x1 round plug-in connector, nickel-plated brass (stainless steel available on request) | ||||||||||||
| – Optional: angle plug acc. to EN 175301-803 | ||||||||||||
| – Optional: reference cable | ||||||||||||
| Process connection | – Membrane, flush-welded on the front, CrNiSt | |||||||||||
| – Elastomer-free sealing cone and M38x1.5 press screw | ||||||||||||
| Construction | ||||||||||||
| Materials | – Field housing / lid: | CrNiSt 1.4301 (304) | ||||||||||
| – Electronics cast: | Silgel | |||||||||||
| – Housing seal: | FPM (Viton®) | |||||||||||
| – Pressure compensation element: | Polyamide | |||||||||||
| – Process connection / connection adapter: | CrNiSt 1.4404 (304) | |||||||||||
| – Process membrane: | CrNiSt 1.4435/1.4404 (316L) | |||||||||||
| – Reference cable, 5-wire with reference tube: | PUR (recommended: 80 m maximum) | |||||||||||
| – Centring O-ring: | NBR 55 | |||||||||||
| Filling fluid | Silicon oil (FDA) | |||||||||||
| Display and operation | ||||||||||||
| Display | Multiple-colour status LED | |||||||||||
| Operation | 2-key concept | |||||||||||
| Auxiliary energy resources | ||||||||||||
| Power supply / burden | 12…30V DC, max. burden: (Vsupply – 12V) / 22mA | |||||||||||
Download Data Sheet: Pressure and Level Transmitter PZT050D Series
Ref: Hengesbach.com