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 DSS10T can be used universally. A replacement of the lower body is possible (e.g. when changing the process connection) without having to carry out modifications on the diaphragm seal system.
Special features
- Process connection with thread for direct threaded connection
- Version with internal diaphragm
- Diaphragm seal parts screwed together
- 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 100
- Wetted parts—
- GasketPTFE max. 260°C
- Fastening partsRetainer flange and bolts in stainless steel
- Certificateswithout
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| Model | DSS10T |
| Product family | DSS10 |
| Subcategory | Diaphragm seal system |
| 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 NPTG 1/21/2 NPT |
| Process temperature | −10…+150 °C |
| Output signal | 4-20mA · 4-20mA (2-wire) |
| Power supply | DC 8 ... 35 V |
| Electrical connection | Angular connector DIN 175301-803 A |
| Case material | Stainless steel 1.4571 [316Ti] |
| Wetted parts material | Stainless steel 1.4435 [316L], Hastelloy C276, Stainless steel 1.4404/1.4435 [316L], Stainless steel 1.4404 |
| Sealing material | Silicone oil KN 2 |
| Ambient temperature | +10…+40 °C |
| IP rating | IP65 |
| Certifications | 3.1 inspection certificate per EN 10204EN 10204 3.1 |
| Datasheet languages | EN |
| Model DSS10T | |
|---|---|
| Design | High-quality pressure sensor, welded to diaphragm seal, threaded 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] or Hastelloy C276 Diaphragm seal: Stainless steel 1.4435 [316L] Case: Stainless steel 1.4571 [316Ti] Zero adjustment ring: PBT/PET GF30 |
| Level of cleanliness of wetted parts | Oil and grease free per ASTM G93-03 level F (WIKA standard) and ISO 15001 (< 1,000 mg/m 2 ) |
| System fill fluid | Silicone oil KN 2 for general applications |
| Transport conditions | Maximum 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 ... 400] | 0 ... 40 [0 ... 600] | 0 ... 60 [0 ... 1,000] |
| Electrical connection | Ingress protection | Wire cross-section | Cable∅ | Permissible temperature |
|---|---|---|---|---|
| with mating connector | IP65 | max. 1.5 mm² | 6 ...8mm | -30 ...+100 °C [-22 ...+212 °F] |
| U+ | 1 | |
|---|---|---|
| U- | 2 |
View all (5)
| Wetted parts | G | Dimensions in mm[in] | |||
|---|---|---|---|---|---|
| H | D | Mb | h | ||
| Stainless steel 1.4404/1.4435 [316L] | G½ | 185 [7.283] | 95 [3.740] | 52 [2.047] | 20 [0.787] |
| ½NPT | 184 [7.244] | 19 [0.748] | |||
| Hastelloy C276 | G½ | 219 [8.622] | 20 [0.787] | ||
| ½NPT | 218 [8.852] | 19 [0.748] |
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