TL-300 provides clear and easy movement for both Shield machine and Pipe Jacking machine.

Cities have recently introduced more underground tunnel as a way to ease aboveground congestion. This has led to increased demand for sophisticated technology in the field of tunnel excavation. When connected to TMG Series Attitude Sensing System, TL-300 Level Sensing System continuously measure changes in the level of Shield and Pipe Jacking machine during excavation. This combination assures accurate control, which is so vital to tunneling, especially along fragile natural slopes.

●Easy Hose Coupling for Pipe Jacking

Connection and disconnection of hose can be easily done by the quick coupling connector ,which is connected with both ends of the hose.

●Small and Light weight

Designed compact for use of small diameter.

●Warning function by Monitor unit Various errors such as Level and communication error are clearly displayed on the monitor.

●Offset center function of Roll and Pitching angle.

The deviation caused by rolling and pitching of the machine will be automatically amended.

●Wide range ３００Ｂ ； Max Level 6,250mm ３００ＢＨ ； Max Level 25,300mm

Features

Systems

Shield machine

Pipe Jacking

Input Power AC100V

50/60Hz

250 200

120

3m

Junction Box(4.5kg)

3m

215

190

96

Display Unit(4kg)

3m

50m

Reference Uint(6kg)

Sensing Level Unit(3.1kg)

205

104

177

305

270

165

Hose

Level Sensing Unit TL-300 Series

TL-300B TL-300BH Measurement Range －50 ～ －6300mm（down：－）

＋50 ～ ＋6300mm（up ：＋） －50 ～ －25350mm（down：－） ＋50 ～ ＋25350mm（up ：＋）

Accuracy Note １） 0.18 ％（Ｆ．Ｓ．） 0.12 ％（Ｆ．Ｓ．） Level ±0.85ｍｍ／5℃ ±3.4ｍｍ／5℃ Temp.

Drift Hose －7.5 ｍｍ／＋5℃（At 600mm hose） －2.5 ｍｍ／＋5℃（At 200mm hose）

Roll／Pitch correction Note２）

Correction with TMG signal and installation position (mm)

External output signal Serial signal（RS422 or RS232C） Power supply AC100V 50／60Ｈｚ Single phase

Power supply allowable：90～130V Level sensing Unit Max 1VA Environ-mental

Housing Drip-Proof

Temperature 5～50℃ Humidity Max 95%RH Vibration Max 6.9ｍ／Ｓ２ Display True level 0 ～ －6350mm（down：－）

0 ～ ＋6350mm（up ：＋） 0 ～ －25400mm（down：－） 0 ～ ＋25400mm（up ：＋）

Level ±99999ｍｍ(accumulation of true level) Liquid Note 3) & 4) Tap water（Note: Maximum supply pressure 196KPa）

Specification

Note 1) Accuracy will decrease when hose is shocked or vibrated. Note 2) Sensing and Reference unit should be placed as close as to be centerline of machine. Note 3) Ground water is not suitable for this application. Note 4) If evaporation occurred rapidly, additional water might need to be poured.

Level Sensing system for tunnel excavation

TL-300 Series

Level Sensing Unit TL-300 Series

Before operating this equipment, you should first thoroughly read the operation

C A U T I O N

Cat NO.08/10/01 TL300-E2-1

Head Office: 2-16-46, Minami-Kamata, Ohta-ku, Tokyo 144-8551 Japan

Tel: +81-3-3731-2631 FAX: +81-3-3738-8670

http://www.tokyo-keiki.co.jp/const

TOKYO KEIKI CONSTRUCTION SYSTEMS INC.