粘稠易結(jié)晶介質(zhì)測壓力 990.27+S-10 德國wika隔膜壓力傳感器

帶法蘭連接和平嵌膜片 - DSS27T可裝配目前市場上的所有標準法蘭，此外還可替代盲板法蘭用于壓力測量。

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. 25 mA

Dissipation loss 828 mW

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 24 V

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]

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)

DSS27T型隔膜密封系統(tǒng)適用于測量任務(wù)，它可直接測量信號傳輸，并連接各類電氣元件。

用戶可采用標準連接方式將隔膜密封直接連接至測量儀表。

DSS27T適用于腐蝕性、高粘度、易結(jié)晶或高溫介質(zhì)。該測量系統(tǒng)已在范圍內(nèi)得到應(yīng)用，可滿足化工和石化行業(yè)的測量要求。