Vacuum Gauge

Vacuum Gauge

Resistance vacuum gauge ZDZ-52D

ZDZ- 52D resistance vacuum gauge can be connected with two resistance gauges, which can control the electric shock output of up to four relays, and also has the functions of analog output and serial communication.It is suitable for the measurement and control of medium and low vacuum.

The resistance gauge adopts constant temperature measurement method,which has high precision and quick response. Using the full digital calibration method, the resistance gauge can be calibrated without tools. The whole machine adopts all-aluminum alloy casing, which is firm and reliable, has good electromagnetic shielding performance, and can be used in harsh industrial environment.

Technical Parameter

● matched gauge: ZJ-52T resistance gauge

● Measurement range and accuracy:

2.5x10³ ~ 5.0x10^-1 Pa, 30% of the indicated value

5.0x10^-1~ 1.0x10^-1Pa, measurable

1.0x10⁵~ 2.5x10³Pa, measurable

● Effective control range: 2.5x10³ ~ 5.0x10^-1Pa

● Control output form: relay contact output, normally open

● relay load: 3A/220VAC, no inductive load

● Number of relay paths: each regulation controls two paths

● Analog output form: 0~10V, 0~5V, 4~20mA optional

● Serial communication: RS-232 or RS-485, Modbus- RTU protocol

● Display: 5-digit digital tube, scientific notation display

● Refresh time: 0.5 seconds

● Power supply: 220VAC/50Hz

● Power consumption: 10W

● Operating environment:-10 ~ 40℃, humidity less than 85%

● Overall dimensions: 96*96* 150mm

● instrument weight: about 0.7kg

Piezoresistive vacuum gauge ZDY-1 D

ZDY-1D piezoresistive vacuum gauge can be connected with two piezoresistive gauges. It can control up to four relay contact outputs, and has the functions of analog output and serial communication. It is suitable for measuring and controlling medium and low vacuum.

Piezoresistive gauge adopts piezoresistive absolute pressure sensor, and the measuring principle can be summarized as: pressure → deformation-impedance change-voltage change. Sensitive elements of the sensor are separated by stainless steel diaphragm. There is no direct contact with the gas in vacuum environment, so the measurement performance has nothing to do with the gas composition. Compared with resistance gauge and thermocouple gauge, it is unnecessary to consider the damage of slightly corrosive gases such as water vapor and oxygen to the gauge, and it is suitable for vacuum environment with complex gas composition.

The whole machine adopts all-aluminum alloy casing, which is firm and reliable and has good electromagnetic shielding performance. It can be used in harsh industrial environment.

Technical parameters.

● Matching gauge: PT-10 piezoresistive gauge

● Measuring range: 100 ~ 100kPa; 200~ 200kPa

● measurement accuracy: 0.5%(FS).

● Effective control range: same as the measurement range

● Control output form: relay contact output, normally open

● Relay load: 3A/220VAC. Noninductive load

● Relay paths: each regulation controls two paths

● Analog output form: 0~10V, 0~5V, 4~ 20mA optional.

● Serial communication: RS-232 or RS-485, Modbus-RTU protocol

● Display: 5-digit digital tube, natural number and scientific notation

● Refresh time: 0.5 seconds

● Power supply: 220VAC/50Hz

● Power consumption: 10W

● Operating environment: -10-40℃, humidity less than 85%

● Overall dimensions: 96*96*150mm

● instrument weight: about 0.7Kg

Capacitance film vacuum gauge ZDM-1 D

ZDM. -1D capacitive film vacuum gauge can be connected with two capacitive film gauges. It can control up to four relay contact outputs, and has the functions of analog output and communication. It is suitable for medium and low vacuum measurement and control with high precision.

ZDM-1 D capacitive thin film meter adopts imported ceramic thin abdomen sensor with high precision and good repeatability. Stable physicalcharacteristics. The measuring principle can be summarized as: pressure-deformation-→ capacitance change-→ voltage change. The sensor is not in direct contact with the gas in vacuum environment. Therefore, the measurement performance is independent of the gas composition. Compared with resistance gauge and thermocouple gauge, water vapor need not be considered. Damage of slightly corrosive gases of oxygen to regulation. It is suitable for vacuum environment with complex gas components.

The whole machine adopts all-aluminum alloy casing, which is firm and reliable, has good electromagnetic shielding performance, and can be used in harsh industrial environment.

technical parameter

● Matching gauge: PT-11 capacitor film gauge

● Measurement range: 2 ~ 2,000Pa; 10 ~ 10,000Pa

● measurement accuracy: 0.5%(FS), 0.2%(FS) optional

● Effective control range: same as the measurement range

● Control output form: relay contact output, normally open

● relay load: 3A/220VAC, no inductive load

● Number of relay paths: each regulation controls two paths

● Analog output form: 0~10V, 0~5V, 4~ 20mA optional

● serial communication: RS-232 or RS-485, Modbus- RTU protocol

● Display: 5-digit digital tube, natural number

● Refresh time: 0.5 seconds

● power supply: 220VAC/50Hz

● power consumption: 10W

● Operating environment:-10 ~ 40℃，humidity less than 85%

● overall dimensions: 96*96*150mm

● instrument weight: about 0.7Kg

Composite vacuum gauge ZDF-5227

ZDF- 5227 series composite vacuum gauge is composed of resistance unit and hot cathode ionization unit, which can measure from high vacuum to atmospheric pressure. One to three resistance gauges and one ionization gauge can be connected. The resistance unit adopts constant temperature measurement method, which has high precision and quick response. Using the full digital calibration method, the resistance gauge can be calibrated without tools. Inthe automatic mode, the ionization unit can be automatically controlled to be turned on and off by the resistance unit, so as to prevent the hot cathode ionization gauge from being damaged when it is turned on in a low vacuum state.

The instrument adopts a high contrast LCD screen with Chinese characters, which is clear and intuitive. Two or three LCD screens are available depending on the model. It also integrates the functions of analog output, relay control, serial communication, etc. It is suitable for vacuum equipment with high automation requirements.

technical parameter

● equipped with gauges: ZJ-52T resistance gauge and ZJ-27 ionization gauge

● Measurement range: 1.0x10⁵ ~ 1.0x10^-5 Pa

● Effective range: 2.5x10³~ 5.0x10^-5 Pa

● Control range: 2.5x10³~ 5.0x10^-5 Pa

● Control output form: relay contact output, normally open

● relay load: 3A/220VAC, no inductive load

● Number of relay circuits: 6, and the control unit can be arbitrarily designated

● Analog output form: 0~10V, 0~5V, 4~20mA optional

● serial communication: RS-232 or RS-485, Modbus- RTU protocol

● Display: LCD screen with Chinese, scientific notation display

● Refresh time: 0.5 seconds

● Power supply: 220VAC/50Hz

● power consumption: 35W

● Operating environment: -10~40℃, humidity less than 85%

● overall dimensions: 480*88* 270mm

● instrument weight: about 3.5Kg

Composite vacuum gauge ZDF-5227P

ZDF- 5227P series composite vacuum gauge is composed of resistance unit and hot cathode ionization unit, which can measure from high vacuum to atmospheric pressure. One or two resistance gauges and one ionization gauge can be connected. The resistance unit adopts constant temperature measurement method, which has high precision and quick response. Using the full digital calibration method, the resistance gauge can be calibrated without tools. In the automatic mode, the ionization unit can be automatically controlled to be turned on and off by the resistance unit, so as to prevent the hot cathode ionization gauge from being damaged when it is turned on in a low vacuum state.

The instrument integrates the functions of analog output, relay control, serial communication, etc. It is suitable for vacuum equipment with high automation requirements.

Technical Parameter

● equipped with gauges: ZJ-52T resistance gauge and ZJ 27 ionization gauge

●Measuring range: 1.0x10⁵~ 1.0x10^-5 Pa

● Effective range: 2.5x10³ ~ 5.0x10^-5 Pa

● Control range: 2.5x10³ ~ 5.0x10^-5 Pa

●Control output form: relay contact output. Normally open and normally closed

● relay load: 3A/220VAC, no inductive load

●Relay circuit number: 4, and the control unit can be arbitrarily designated

●Analog output form; 0 ~ 10v, 0 ~5v and 4 ~ 20ma are optional

● serial communication: RS-232 or RS-485, Modbus- RTU protocol

●Display: two groups of 5-digit digital tubes are displayed by scientific notation

●Refresh time: 0.5 seconds.

●Power supply: 220VAC/50Hz

●Power consumption: 35W

●Operating environment: -10~40℃, humidity less than 85%

●Overall dimensions: 240*88*255mm

●Instrument weight: about 2Kg