High-quality pressure sensor with mounted diaphragm seal
Description
Diaphragm seal systems are used to protect the pressure measuring instrument from aggressive, adhesive, crystallising, corrosive, highly viscous, environmentally hazardous or toxic media. The diaphragm made of stainless steel provides for the separation from the medium. The pressure is transmitted to the measuring instrument via the system fill fluid which is inside the diaphragm seal system.
Due to its design, the DSS34T can be used universally and offers the end user the advantage of being able to transmit the measuring signal directly and to combine it with a variety of electrical connections.
Special features
- Process connection with thread to provide for direct threaded connection
- Version with internal diaphragm
- Diaphragm seal parts all welded
- Universal application
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- Pressure measuring instrumentHigh-quality pressure transmitter
- Unitbar
- Measuring range—
- Output signal4 ... 20 mA, 2-wire
- Power supplyDC 8...35 V
- Electrical connectionangular connector DIN 175301-803 A
- Assemblydirect assembly
- System fill fluidKN 2 Silicone oil for general applications
- Unit of temperatureCelsius
- Process temperature min.- 10 °C
- Process temperature max.+ 150°C
- Ambient temperature pressure meas. min+ 10 °C
- Ambient temperature pressure meas. max+ 40 °C
- Process connection standard—
- Threaded connection—
- Nominal pressure ratingPN 160
- Wetted parts—
- Certificateswithout
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| Model | DSS34T |
| Product family | DSS |
| Subcategory | Diaphragm seal system with integrated pressure sensor |
| Pressure ranges | 0…1 bar · 0…1.6 bar · 0…2.5 bar · 0…4 bar · 0…6 bar · 0…10 bar · 0…16 bar · 0…25 bar · 0…40 bar · 0…60 bar · -1…5 bar · -1…9 bar · -1…10 bar |
| Accuracy class | 0.5 |
| Accuracy standard | IEC 61298-1 |
| Process connection | G ½½ NPTG1/21/2NPT |
| Process temperature | −10…+150 °C |
| Output signal | 4-20mA · 4-20 mA (2-wire) |
| Power supply | 8 ... 35 V DC |
| Electrical connection | Angular connector DIN 175301-803 A |
| Case material | Stainless steel 1.4571 [316Ti], Stainless steel 1.4571 (316Ti) |
| Wetted parts material | Hastelloy C276, Stainless steel 1.4435 [316L], Stainless steel 1.4404/1.4435 [316L], Stainless steel 1.4435 (316L), Stainless steel 1.4404/1.4435 (316L) |
| Ambient temperature | +10…+40 °C |
| IP rating | IP65 |
| Certifications | 3.1 inspection certificate per EN 10204EN 10204 3.1 |
| Datasheet languages | EN |
| Model DSS34T | |
|---|---|
| Design | High-quality pressure sensor, welded to diaphragm seal, welded design |
| Current output | 4 ... 20 mA(2-wire) |
| Power supply | DC 8 ...35V |
| Accuracy at reference conditions | ≤ ±0.5 %of span |
| Permissible load in Ω | Current output ≤ (power supply - 7.5 V) / 0.023 A |
| Current supply | Max.25mA |
| Dissipation loss | 828mW |
| Reference conditions (per IEC 61298-1) | Temperature: 15 ... 25 °C [59 ... 77 °F] Atmospheric pressure: 860 ... 1,060 mbar [12.5 ... 15.4 psi] Humidity: 45 ... 75 %r.h. Power supply:DC 24V Mounting position: Calibrated in vertical mounting position with pressure connection facing downwards. |
| Pressure limitation | < 10 bar [150 psi]: 3 times ≥ 10 bar [150 psi]: 2 times |
| Permissible temperature range Medium Ambient Storage | -10 ... 150 °C [14 ... 302 °F] 10 ... 40 °C [50 ... 104 °F] 10 ... 60 °C [50 ... 140 °F] |
| Ingress protection | IP65 per IEC/EN 60529 |
| Material wetted non-wetted | Diaphragm: Stainless steel 1.4435 [316L], Hastelloy C276 Diaphragm seal: Stainless steel 1.4435 [316L] Case: Stainless steel 1.4571 [316Ti] Zero adjustment ring: PBT/PET GF30 Angular connector: PBT/PET GF30 |
| Level of cleanliness of wetted parts | Oil and grease free per ASTM G93-03 level F and ISO 15001 (< 1,000 mg/m²) |
| System fill fluid | Silicone oil KN 2 for general applications |
| Permissible humidity (per IEC 68-2-78) | ≤ 67 %r.h. at 40 °C [104 °F] (in accordance with 4K4H per EN 60721-3-4) |
| 0 ... 1 [0 ... 15] | 0 ... 1.6 [0 ... 25] | 0 ... 2.5 [0 ... 40] | 0 ... 4 [0 ... 60] | 0 ... 6 [0 ... 100] |
|---|---|---|---|---|
| 0 ... 10 [0 ... 160] | 0 ... 16 [0 ... 250] | 0 ... 25 [0 ... 300] | 0 ... 40 [0 ... 600] | 0 ... 60 [0 ... 1,000] |
| Electrical connection | Ingress protection 1) | Wire cross-section | Cable∅ | Permissible temperature |
|---|---|---|---|---|
| with mating connector | IP65 | max. 1.5 mm² | 6 ...8mm | -30 ...+100 °C [-22 ...+212 °F] |
| Wetted parts | G | Dimensions in mm[in] | |||
|---|---|---|---|---|---|
| H | D | Mb | h | ||
| Stainless steel 1.4404/1.4435 [316L] | G½ | 182.5 [7.185] | 64 [2.52] | 52 [2.047] | 20 [0.787] |
| ½NPT | 181.5 [7.146] | 19 [0.748] | |||
| Hastelloy C276 | G½ | 198.5 [7.815] | 20 [0.787] | ||
| ½NPT | 199.5 [7.854] | 19 [0.748] |
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