PBLT2和PBLTX潜水式液位变送器可在最恶劣的应用环境中多年无故障运行。这两种方法都是根据大气压测量罐内液体的高度。变送器由压阻式传感元件组成,封装在316不锈钢外壳中。非常适合废水和泥浆应用,具有保护装置免受这些苛刻应用的特点。大直径316不锈钢隔膜密封无堵塞,抗漂浮固体损坏。
PBLT2采用双避雷器技术,结合雷电和浪涌保护,接地至外壳,消除电源浪涌和雷电接地瞬变(浪涌保护不受保证,不在保修范围内)。PBLTX是UL认证的本质安全型,与适当的屏障一起使用时,可在危险场所使用。电缆中的通风管自动补偿罐上方大气压力的变化。排气口由免维护过滤器保护,防止微粒或水滴进入传感器
产品应用
废水污泥坑、澄清池、蒸煮器、贮槽、贮槽、污泥池、泥浆泵、贮水池
Service:Compatible liquids.
Wetted Materials:Body: 316 SS, 316L SS; Cable: Polyether polyurethane or ETFE; Seals: Fluoroelastomer.
Accuracy:±0.25% FS (includes linearity, hysteresis, and repeatability).
Temperature Limit:PBLT2: 0 to 200°F (-18 to 93°C); PBLTX: ETFE -4 to 176°F (-20 to 80°C); Polyurethane: -4 to 149°F (-20 to 65°C)
Compensated Temperature Range:
PBLT2: 0 to 180°F (-18 to 82°C), PBLTX: 0 to 176°F (-18 to 80°C).
Thermal Effect:±0.02% FS/°F.
Pressure Limit:2X FS.
Power Requirement:PBLT2: 13 to 30 VDC, PBLTX: 10 to 28 VDC.
Output Signal:4 to 20 mA DC, two wire.
Response Time:50 msec.
Loop Resistance:900 Ω.
Electrical Connection:Wire pigtail.
Mounting Orientation:Suspended in tank below level being measured.
Electrical Protection:PBLT2: Lightning and surge protection, PBLTX: none.
Weight:4.3 lb (2.0 kg).
Agency Approvals:
PBLT2: CE, PBLTX: CE, cULus intrinsically safe for Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; Class III, Div. 1. (According to control drawing 001833-44)*
*Up to 196 ft (59.5 m) for ETFE cable; Up to 333 ft (101.5 m) for polyurethane cable.
Model | Description |
---|---|
PBLT2-100-40 | Submersible level transmitter, range 100 psi (230.67 ft wc) [70.32 m wc], 40 ft (12.2 m) ETFE cable. |
PBLT2-10-100 | Submersible level transmitter, range 10 psi (23.09 ft wc) [7.04 m wc], 100 ft (30.5 m) ETFE cable. |
PBLT2-10-40 | Submersible level transmitter, range 10 psi (23.09 ft wc) [7.04 m wc], 40 ft (12.2 m) ETFE cable. |
PBLT2-10-60 | Submersible level transmitter, range 10 psi (23.09 ft wc) [7.04 m wc], 60 ft (18.3 m) ETFE cable. |
PBLT2-10-70 | Submersible level transmitter, range 10 psi (23.09 ft wc) [7.04 m wc], 70 ft (21.3 m) ETFE cable. |
PBLT2-10-80 | Submersible level transmitter, range 10 psi (23.09 ft wc) [7.04 m wc], 80 ft (24.4 m) ETFE cable. |
PBLT2-15-100 | Submersible level transmitter, range 15 psi (34.63 ft wc) [10.56 m wc], 100 ft (30.5 m) ETFE cable. |
PBLT2-15-150 | Submersible level transmitter, range 15 psi (34.63 ft wc) [10.56 m wc], 150 ft (45.7 m) ETFE cable. |
PBLT2-15-60 | Submersible level transmitter, range 15 psi (34.63 ft wc) [10.56 m wc], 60 ft (18.3 m) ETFE cable. |
PBLT2-15-80 | Submersible level transmitter, range 15 psi (34.63 ft wc) [10.56 m wc], 80 ft (24.4 m) ETFE cable. |
PBLT2-20-100 | Submersible level transmitter, range 20 psi (46.18 ft wc) [14.08 m wc], 100 ft (30.5 m) ETFE cable. |
PBLT2-20-60 | Submersible level transmitter, range 20 psi (46.18 ft wc) [14.08 m wc], 60 ft (18.3 m) ETFE cable. |
PBLT2-25-100 | Submersible level transmitter, range 25 psi (57.70 ft wc) [17.58 m wc], 100 ft (30.5 m) ETFE cable. |
PBLT2-5-100 | Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 100 ft (30.5 m) ETFE cable. |
PBLT2-5-40 | Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 40 ft (12.2 m) ETFE cable. |
PBLT2-5-50 | Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 50 ft (15.2 m) ETFE cable. |
PBLT2-5-60 | Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 60 ft (18.3 m) ETFE cable. |
PBLT2-5-65 | Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 65 ft (19.8 m) ETFE cable. |
PBLT2-5-70 | Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 70 ft (21.3 m) ETFE cable. |