Dental X-Ray Unit
Z70
70kVp - 7mA
8
Function´s:
1-
Display
2-
Time Up
3-
Time Down
4-
SET
5-
Exposure Type Selector:
Type D, E or RGV
6-
X-Ray shot
7-
Red alert led
8-
Yellow X-Ray expos. led
9-
RGV position
10-
Film type E
11-
Film type D
12-
Tooth Group 3 (Small)
13-
Tooth Group 2 (Small)
14-
Small Patient Selector
15-
Tooth Group 1 (Small)
16-
Tooth Group 3 (Large)
17-
Tooth Group 2 (Large)
18-
Large Patient Selector
19-
Tooth Group 1 (Large)
WARNING:
The Pre-Set times*¹
are only referential and they can change in
function of factors as, quality of the film, solutions, development,
patient structure and radiographic technique.
The insert and adjustment of times in a manual way is available.
We consider Large, patients with more than 100 lbs. (45 kgs)
and Small, patients with less then 100 lbs. (45 kgs).
Exposition Table
Pre-Set Times and Radiation Doses
Small
Large
Gr
Tooth
Film
Time*¹
(sec)
Dose*²
(mR)
Time
(sec)
Dose
(mR)
0.35
167
0.50
264
1
D
0.28
139
0.40
202
2
D
0.32
156
0.45
237
3
D
0.28
139
0.35
167
1
E
0.20
90
0.28
139
2
E
0.20
90
0.32
156
3
E
Dose*²:
It is a Guideline, based in a found average of Z70 acting
Handheld Control Overview
D
E
RVG
s
Z
7
0
1
2
3
4
5
6
7
8
9
10
11
12
16
15
14
17
18
13
19
Exposition Time Table and Doses
3.3. Equipment Safety
- Only a trained and certified technician can open the timer and touch the electric circuit
- The equipment electrical installation must be according with the safety regulations and with
grounding protection
- Make sure keep the equipment disconnected from the any electrical power supply during the
installation, maintenance, transport and sterilization of the unit
A. Electrical Shock Hazard
B. ESD Warning
When managing PCB boards, permanent damage may occur on device subject to high energy
electrostatic discharges. When handling the equipment boards, use the proper ESD equipment
to avoid electrostatic damages
Operation Manual
