Aoyi Hn-Dp48-Dcv 0-300V Voltmeter LED Digital Analog Ammeter Voltmeter

• Customization: Available
• Current Type: AC
• Phase: Single Phase
• Model NO.: HN-DP48-DCV
• Frequency Characteristics: Intermediate Frequency
• Usage: SVC, DBW, JIW
• Frequency: Industrial Frequency
• Size: Medium
• Iron Core Shape: R
• Power Source: Switching Regulated Power Supply
• Application Range: Industrial and Mining Enterprises
• Brand: Aoyi
• Display Type: Digital Only
• Supply Voltage: 220VAC 50/60Hz
• Operating Temperature: 0-40degree
• Power Loss: 3.5W
• Install Size: 45*45mm
• Transport Package: Paper Carton
• Specification: 48*48*77mm
• Trademark: Aoyi
• Origin: Huangshan

Product Description

Product Details

 

 

Type As	Model (not label name)	Description
DC Ammeter	HN-DP48-DCA	≤DC5A direct input
		>5A need extra shunt connection
AC Ammeter	HN-DP48-ACA	≤AC5A direct input
		> AC5A need extra current transformer 5A connection
DC Voltmeter	HN-DP48-DCV	≤DC600V direct input
		>DC600V need extra resistor divider connection
AC Voltmeter	HN-DP48-ACV	≤AC600V direct input
		>AC600V need extra voltage negative sensor connection
RPM Meter	HN-DP48-RPM	input signal DC0-10V, DC0-20mA, DC4-20mA ect,
		max display value 1999
Hz Meter	HN-DP48-Hz	input signal the same as above
M/min Meter	HN-DP48-M/min	input signal the same as above
Mpa Meter	HN-DP48-Mpa	input signal the same as above
Temperature Meter	HN-DP48-C	thermocouple K type 0-1350ºC;
		the thermal resistance pt100 type 0 to 650ºC.

Wiring Diagrams

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Transformer load:

When SSR is used to control primary load of transformer, the characteristic of secondary load should be examined, as the primary load can be made as one part of effective load of SSR, meanwhile, the transient voltage of secondary load circuit is transferred and applied to SSR. According to magnetic flux condition during transformer breaking, there may be a special problem, namely, the transformer may be saturated in the first half cycle of consecutive voltage application, this saturation phenomenon may cause a very high current(10 to 100 times of rated primary current) applied on SSR, which exceeds the surging value of half cycle. In such condition, compared to zero-voltage conduction SSR, random conduction SSR has stronger life force, as it generally required tat the transformer should only bear one part of first half cycle voltage, by contraries, zero-voltage conduction SSR usually closes in zero-voltage point (starting point of half cycle), so that the SSR must endure the worst condition, namely,saturated current.There is a big differences of severity degree for transformer's saturated current, and it is mainly subject to magnetic material of transformer, saturated primary impedance, circuit impedance, etc.

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