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Dwyer SBLT2/SBLTX系列 投入式液位变送器

品牌:DWYER

最适用于地下水和井水,雷电保护或本安防爆型

SBLT2和SBLTX系列 投入式液位变送器是具备有多年的制造经验的产品。它们采用液体内的相对于大气压的静压来测量液位。变送器带有压阻式传感元件密封在316不锈钢外壳内。子弹头式的设计,保护传感元件不受损坏。SBLT2采用了双重避雷科技保护,外壳接地,可避免闪电雷击。PBLTX是UL认证的本安型防爆产品可用于危险场合。带有270磅张力的铠装通气电缆,可自动补偿大气压的变化。通气孔带有过滤芯以防止灰尘或水滴进入而影响测量值。

  

特点:

1 优良的防化学腐蚀性能

2 SBLT2型带防雷电的功能

3 通气过滤头无需维护保养

4 SBLTX型为UL本安防爆认证

5 细小型设计,用于空间小的场合

 

Service: Compatible Liquids.

Wetted Materials: 316 SS, 316L SS, Epoxy; Cable: Polyurethane Or ETFE; Bullet Nose: PVC.

Accuracy: ±0.25% Of FS.

Temperature Limit: SBLT2: 0 To 150°F (-18 To 66°C); SBLTX: 0 To 176°F (-18 To 80°C).

Compensated Temperature Range: SBLT2: 0 To 140°F (-18 To 60°C); SBLTX: 0 To 176°F (-18 To 80°C).

Thermal Effect: ±0.02% Full Scale/°F.

Pressure Limit: 2X Full Scale.

Power Requirement: SBLT2: 13 To 30 VDC; SBLTX: 10 To 28 VDC.

Output Signal: 4 To 20 MA DC, 2-Wire.

Response Time: 50 Ms.

Max. Loop Resistance: 900 Ω At 30 VDC.

Electrical Connections: Wire Pigtail.

Mounting Orientation: Suspended In Tank Below Level Being Measured.

Weight: 2.2 Lb (1.0 Kg).

Electrical Protection: SBLT2: Lightning And Surge Protection; SBLTX: None.

Agency Approvals: SBLT2: None; SBLTX: CE, CUL, UL 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 01-700797-00).