Microprocessor Digital Vacuum Controller Compound Vacuum Gauge
Thermocouple Vacuum Controller ZDF-5227-II
Thermocouple Vacuum Controller:
ZDF-5227 compound vacuum gauge, which is composed by resistance meter and ionization meter, can test signs of the vacuum gauge with two circuits and has two 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.
Parameter
|
1 |
Testing circuit quantity |
Two circuits |
|
2 |
Testing range
(The equipped vacuum gauge) |
1.0×105—1.0×10-5 (Pa)
(resistance gaugeZJ-52T/metal , ionization gauge
ZJ-27/glass) |
|
3 |
Ionization parameters |
Voltage of Positive pole:225V
Emission current:1mA/100uA |
|
4 |
Testing precision |
±10% |
|
5 |
Zero drift |
±2% |
|
6 |
Controlling range |
1.0×105—1.0×10-5 (Pa) |
|
7 |
Controlling method |
Two circuits point control or area control |
|
8 |
Controlling precision |
±1% |
|
9 |
Controlling time |
< 1S |
|
10 |
Output contend |
3A/220VAC non-inductive load |
|
11 |
Analog output |
0－5V/4-20m |
|
12 |
Power supply |
AC 220V/50Hz ±10% |
|
13 |
Environmental temperature |
-10℃--45℃ |
|
14 |
Environmental Humidity |
< 85%(25℃) |
|
15 |
Rated consumed power |
35W |
|
16 |
Net weight of the apparatus |
3.5Kg around |
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