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Help CenterZDF-5227-II Complex Vacuum Gauge (1.0x10E+5~1.0x10E-5 Pa)
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Brief Introduction
1.1 The apparatus
ZDF-5227-II compound vacuum meter, which is composed by resistance meter and ionization meter (namely “resistance unit” and “ionization unit”), can test signs of the vacuum gauge with two circuits, and has four circuits control contact output. In the testing range, it can be point control and area control freely, and it is suitable to be used in testing and controlling the vacuum of wide measuring range.
It adopts the most advanced microprocessor as its main machine, improving its reliability by decreasing external components. Its hardware employs the modular structure, EMI restraint and WATCHDOG circuit; while the software employs anti-interference technique, such as redundancy, trap, digital filtering and so on to improve its anti-interference ability and performance, which ensures the high reliability of the apparatus and its normal use in bad industrial environment.
1.2 Package Contents
ZDF-5227-II compound vacuum gauge one set
ZDF-5227-II using pamphlet one book
Certificate of inspection one piece
ZJ-52T resistance gauge tube (metal) one piece
ZJ-27B ionization gauge tube (glass) one piece
Five-core cable (5m) one piece
Four-core cable (5m) one piece
Coaxial cable (5m) one piece
Power supply wire (1.5m) one piece
2. The Main Technical Parameters
1 |
Testing circuit quantity |
Two circuits |
2 |
Testing Range of resistance unit |
1.0×105—1.0×10-1 (Pa) |
3 |
Testing Range of ionization unit |
1.0×10-1—1.0×10-5 (Pa) |
4 |
Matching gauge of resistance unit |
ZJ-52T (inserting metal gauge tube) |
5 |
Matching gauge of ionization unit |
ZJ-27B (glass gauge tube) |
6 |
Ionization parameters of ionization unit |
Voltage of Positive pole: 225±1V Emission current:1mA/100uA |
7 |
Testing precision |
±10% |
8 |
Zero drift |
±2% |
9 |
Controlling range |
1.0×105—1.0×10-5 (Pa) |
10 |
Controlling method |
Four circuits point control or area control |
11 |
Controlling precision |
±1% |
12 |
Controlling time |
< 1S |
13 |
Output contend |
3A/220VAC non-inductive load |
14 |
Analog output |
0-5V/4-20mA (optional) |
15 |
Power supply |
AC 220V/50Hz ±10% |
16 |
Environmental temperature |
-10°C--45°C |
17 |
Environmental Humidity |
< 85%(25°C) |
18 |
Rated consumed power |
35W |
19 |
Net weight of the apparatus |
3.5Kg around |
3. Installation
3.1 Installation Size
3.2 Instruction for the wiring connection on the back of panel
A: the plug of ionization gauge (4 PIN) ---correspond with ionization unit
Instruction of the cable conductor: the end of apparatus-------------- the end of vacuum gauge
(1, 2, 3, 4) correspond with (7, 2, 5, 4)
B: Collector (Q9): coaxial cable (signal wire) connects with the collector of ionization gauge. (The lead pin on the pedestal of the gauge)
C: the plug of resistance gauge 1 (5 PIN): corresponds with resistance unit
Instruction of the cable conductor: the end of apparatus-------------- the end of vacuum gauge
(1, 2, 3, 4) correspond with (1, 2, 3, 4)
D: Analog output (9 PIN)
E: RS----232 (9 PIN):
F: Control output A
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