分類: 壓力變送器
■ 4-20mA 環路供電輸出
■ 提供 +/- 0.25% 精度
■ 提供多種壓力範圍選擇
■ 關閉 6:1
■ 提供用於危險場所的配置
■ 可透過 HART 進行遠端設定
■ 精確、可重複的壓力測量
■ 輸出直接提供給 DSC 或 PLC
■ 符合 CE 要求
■ CE ATEX 本質安全認證
■ 通過 SIL 2 認證 (壓力輸出)
■ 通過 PL'c' 認證 (繼電器輸出)
■ 可提供其他認證
Performance Characteristics | |
Output | 4 - 20 mA, with optional HART™ |
Input Voltage | 16 - 36 Vdc (Std); 16 - 30 Vdc (ATEX IS) |
Accuracy | 4222 ± 0.25% for pressure ranges >1,500 psi; ± 0.50% for pressure ranges < 1,500 psi 4232 ± 0.25% for pressure ranges >1,500 psi; ± 0.50% for pressure ranges < 1,500 psi 4352 ± 0.25% for pressure ranges > 1,500 psi; ± 0.50% for pressure ranges < 1,500 psi 4502 ± 0.50% 4622 ± 0.50% 4672 ± 0.50% |
Repeatability | ±0.1% |
Rangeability | 6:1 Turndown |
Over Pressure | 2X FSO or 35,000 psi,whichever is less 1.2 X FSO 35,000 - 72,500 psi |
Zero Balance Adjustment Range | (-)40% to +10%;(-)80% to 20% for FSP < 500 psi |
Load Resistance | 500 Ω @ 24 Vdc, 1,000 Ω @ 36 Vdc |
Electronics Ambient Temperature | 70°F (20°C) |
Electronics Operating Temperature | -20 to 185°F (-29 to 85°C) |
Diaphragm Temperature | 750°F (400°C) max [SPX4502 model limited to 600°F (315°C)] |
Electronics Compenstated Temperature Range | 0 to 150°F (-18 to 65°C) |
Zero Shift (Electronics Temp Change) | 4222: 0.01% F.S./°F max (0.02% F.S./°C max) 4232: 0.01% F.S./°F max (0.02% F.S./°C max) 4352: 0.01% F.S./°F max (0.02% F.S./°C max) 4502: 0.01% F.S./°F max (0.02% F.S./°C max) 4622: 0.05% F.S./°F max (0.10% F.S./°C max) 4672: 0.05% F.S./°F max (0.10% F.S./°C max) |
Span Shift (Electronics Temp Change) | 4222: 0.01% F.S./°F max (0.02% F.S./°C max) 4232: 0.01% F.S./°F max (0.02% F.S./°C max) 4352: 0.01% F.S./°F max (0.02% F.S./°C max) 4502: 0.01% F.S./°F max (0.02% F.S./°C max) 4622: 0.02% F.S./°F max (0.04% F.S./°C max) 4672: 0.02% F.S./°F max (0.04% F.S./°C max) |
Zero Shift (Snout Temp Change) | 4222: 15 psi/100°F (27 psi/100°C) typical 4232: 15 psi/100°F (27 psi/100°C) typical 4352: 15 psi/100°F (27 psi/100°C) typical 4502: 1 psi/100°F (from 75-450°F); 2 psi/100°F (from 450-600°F) typical 4622: 25 psi/100°F (45 psi/100°C) typical 4672: 25 psi/100°F (45 psi/100°C) typical |