Instruments & System for Safety Monitoring (II)

Model SRF Capacitance Three Dimensions Jointmeter

Model SRF Capacitance Three Dimensions Jointmeter is used to automatically measure the opening, the difference settlement and the difference movement in flowing direction between the blocks in structures, such as dams, ship locks and plants etc.

Technical Parameters

Standard Ranges:
10,20,40 mm(for X,Y direction),
10,10,20 mm(for Z direction)
Resolution: 0.01 mm
Accuracy:0.1~0.3 mm
Long-term zero drift:<0.5%FS/yr
Temp. Coefficient:<0.05%FS/
Operating Temp.:-30~+60

Model 3DM Three Dimensions Displacement Transducer
Model 3DM Three Dimensions Displacement Transducer is used to automatically measure the opening and the deformation of the structures, such as the periphery crack of the concrete face rock-fill dams,the slopes and the fault of basements etc. This kind of transducer could be operated in the water for long time.

Technical Parameters

Standard Ranges:0 to 250 mm
Resolution:0.05 mm
Accuracy:0.25% FS
Water Pressure:2 MPa
Operating Temp.:-30~+60

Model GYY Inductance Pressure Transducer
Model GYY Inductance Pressure Transducer is used to automatically measure the uplift pressure of the concrete dam, by-pass leakage through two banks, the leakage of embankment etc. It could be also used in monitoring the water level or the other fluid level.

Technical Parameters

Standard Ranges:10,25,50m
Resolution:(0.05~0.1)%FS
Accuracy:(0.25~0.5)%FS
Long-term zero drift): <(0.25~0.5)%FS /yr
Temp. Coefficient: <(0.025~0.04) %FS/

Model NYZ Silicon Pressure Transducer

Model NYZ Silicon Pressure Transducer is used to automatically measure the uplift pressure of the concrete dam, by-pass leakage through two banks, the leakage of embankment etc. It could be also used in measuring the water level or the other fluid level.

Technical Parameters

Standard Ranges:10,25,50m
Resolution:(0.05~0.1) %FS
Accuracy:(0.25~0.5) %FS
Long-term zero drift: <(0.25~0.5) %FS /yr
Temp. Coefficient: <(0.025~0.04) %FS/

NDA1104 Intelligent Data Acquisition Module

NDA1104 Intelligent Data Acquisition Module is used to acquire the signals of Carlson Transducers with high accuracy, much more functions, trouble-free operation with disturbance, operation stability. It could be operated in the projects with severe environmental conditions such as hydraulic structures, slopes, roadways, bridges, tunnels etc.

Technical Parameters

Channel:16
Accuracy:|RT|0.02,|Z|0.0002
Resolution:RT:0.01, Z:0.0001
Measuring Time:2-5s/point
Com.: EIA-RS485 or CANbus
Data Storage:8K
Power Supplies: 6~7VDC
Power Consumption):
Standby:200A Sleep:10mA
Idle:60mA Measuring:150 mA
Operating Temp.:-10~+50(-25~+60,Option)
Storage Temp.:-20~+70

NDA1203 Intelligent Data Acquisition Module
NDA1203 Intelligent Data Acquisition Module is used to acquire the signals of differential inductance transducers with high accuracy, much more functions, trouble-free operation with disturbance, operation stability. It could be operated in the projects with severe environmental conditions such as hydraulic structures, slopes, roadways, bridges, tunnels, etc.

Technical Parameters

Channel:8
Accuracy:0.05% FS
Resolution:0.01%FS
Measuring Time:2-5s/point
Com.: EIA-RS485 or CANbus
Data Storage:8K
Power Supplies:6~7VDC
Power Consumption:
Standby:200A Sleep:10mA
Idle:60mA Measuring:500 mA
Operating Temp.:-10~+50(-25~+60,Option)
Storage Temp.:-20~+70

NDA1303 Intelligent Data Acquisition Module

NDA1303 Intelligent Data Acquisition Module is used to acquire the signals of capacitance transducers with high accuracy, much more functions, trouble-free operation with disturbance, operation stability. It could be operated in the projects with severe environmental conditions such as hydraulic structures, slopes, roadways, bridges, tunnels etc.

Technical Parameters

Channel:8
Accuracy:0.1%FS1 dig.
Resolution:0.01%FS
Measuring Time:2-5s/point
Com.: EIA-RS485 or CANbus
Data Storage:8K
Power Supplies:6~7VDC
Power Consumption:
Standby:200A Sleep:10mA
Idle:60mA Measuring:300 mA
Operating Temp.:-10~+50(-25~+60,Option)
Storage Temp.:-20~+70

NDA1403 Intelligent Data Acquisition Module

NDA1403 Intelligent Data Acquisition Module is used to acquire the signals of various kinds of vibrating wire transducers with high accuracy, much more functions, trouble-free operation with disturbance, operation stability. It could be operated in the projects with severe environmental conditions such as hydraulic structures, slopes, roadways, bridges, tunnels etc.

Technical Parameters

Channel:8 or 16
Timebase Accuracy: 0.01%
Resolution: 0.001 s
Temp. Accuracy:0.5
Resolution:0.1
Measuring Time:2-5s/point
Com.: EIA-485 or CANbus
Data Storage:8K
Power Supplies:6~7VDC
Power Consumption:
Standby:200A Sleep:10mA
Idle):60mA Measuring:500 mA
Operating Temp.:-10~+50(-25~+60, Option)
Storage Temp.:-20~+70