Crack and Joint Meter Model EDJ-40V (MTI.EWS.ER.M-EDJ-40V). crack-joint meter is designed for surface joint measurement and consists of an EDE-VXX vibrating wire displacement transducer, fixed between anchors, installed on opposite sides of the crack-joint.
Crack and Joint Meter Model EDJ-40V
• Sensor Type: Vibrating wire
• Parameter: Crack/joint
• Range: 15, 25, 50 mm; specify
• Key Testing / Calibration: Thermal cycling (-20 to +80°C), Thermal variation data, accuracy test, waterproof test for WP version
• Key Feature/Advantage: Rugged and robust, waterproof version can be used in deep water
• Protection (Waterproofing): IP-68, water resistant up to 40 mwc, waterproof version up to 100 mwc
• Dimension (mm): Depends on range
• Accuracy : ± 0.2 % fs normal ± 0.1 % fs optional
• Sensitivity: ± 0.02 % fs
• Non linearity: <0.5 % fs
• Resolution: 0.025% fs
• Temperature limit: -10 to 80°C
• Thermistor: YSI 44005 or equivalent (3 kOhms at 25°C)
