Operation Manual for ZBL-R620/R630 Rebar Locator
can work after being fully charged (or while connected to the charger).
If there is still no display after connecting to the charger, please check charger or
call our company hotline.
3.2 No signal
No signal display when scanning.
Place the transducer away from any magnetic materials (in the air), and perform a
system reset. Begin scan after the status bar indicates that reset is complete.
Check if the connection of transducer’s signal cable is correct.
Check if the power is low, (battery power 0%).
3.3 No keypad tone
Check system settings, turn keyboard tones on, then save settings.
If settings are normal but there are still no keypad tones, call our company hotline.
4. Technical Indicators
Table 1.1: Ranges of Measuring Concrete Cover: Unit: mm
Bar Diameter
Concrete cover over small
measuring range
Concrete cover over large
measuring range
φ
6 ~
φ
8
6 ~ 70
10 ~ 100
φ
10 ~
φ
18
9 ~ 80
16 ~ 126
φ
20 ~
φ
28
10 ~ 86
20 ~ 160
φ
32 ~
φ
36
φ
40 ~
φ
50
16 ~ 90
28 ~ 180
Table 1.2: Measurement Accuracy (covers) Unit: mm
Accuracy
Concrete cover over small
measuring range
Concrete cover over large
measuring range
±
1
6 ~ 59
10 ~ 79
±
2
60 ~ 69
80 ~ 119
±
4
70 ~ 90
120 ~ 180
