CP-4872 Ammeter Voltmeter

Technical Data

1.Explosion-proof Type

• Standards Implemented: GB/T 3836.1-2021, GB/T 3836.3-2021
• Applicable Hazardous Areas: Zone 1, Zone 2 gas explosive hazardous area
• Ex Marking: Ex eb Ⅱ Gb, suitable for ⅡA, ⅡB, ⅡC gas groups

2.Product Parameters

• Product Type: Increased-safety analog explosion-proof ammeter and voltmeter panel module, size 48 and 72, front-panel and rear-panel mounting available.
• Certification / Explosion-proof Marking: Ammeter: Ex e Ⅱ Gb; Voltmeter: Ex e mb Ⅱ Gb.
• Material: Not specified on drawing. Housing and bezel made of engineering plastic.
• Exposed Fasteners: Embedded panel mounting clips, no exposed flame-proof thread.
• Electrical-Rated Voltage: Voltmeter range 30V-500V, compatible with external 100V voltage transformer, frequency 50/60Hz.
• Electrical-Rated Current: Multiple ammeter ranges up to 0-100A, compatible with external current transformer; power consumption ≤0.45VA.
• Protection-Ingress Protection: IP rating not marked on drawing.
• Protection-Ambient Temperature: −40℃～+60℃.
• Connection-Cable Cross-section: Not specified on drawing, terminal connection, use external terminals.
• Connection-Cable Entry: No built-in cable entry. Mounted on flame-proof enclosure panel; cable entry belongs to matched enclosure.
• Connection-Cable Gland: No cable gland supplied with product, glands are fitted on supporting flame-proof enclosure.

3.Product Classification & Origin

HS Code: 9030339000
Country of Origin: China

4.Applicable Industries

• Suitable for: This product is used in petrochemical, coal-chemical, pharmaceutical, coating, mining, oil-gas storage & transportation, sewage treatment and other industries with ⅡA,ⅡB,ⅡC explosive-gas and combustible-dust atmosphere for on-site panel monitoring of current and voltage.
• Practicality: Available in 48-size and 72-size with accuracy class 1.5. It supports direct measurement and measurement via external current/voltage transformer, covers multiple current and voltage ranges, works at 50/60Hz with low power consumption. Both front-mount and rear-mount options provide flexible selection.
• Safety Performance: Explosion-proof marking Ex e Ⅱ Gb for ammeter and Ex e mb Ⅱ Gb for voltmeter. Suitable for Zone1, Zone2 gas and Zone21, Zone22 dust hazardous locations. Ambient temperature ranges from −40℃ to +60℃, meeting safety requirements for instrument measurement in explosive hazardous areas.

5.Credibility

MMALATEX explosion-proof products comply with strict international standards and hold complete ATEX, IECEX and EAC certifications to ensure compliant operation in global markets. This series of explosion-proof products is engineered for extreme working conditions with IP65/IP66/IP67 protection ratings, delivering excellent resistance to water, dust and corrosion. We provide customers with indepth supporting services, including comprehensive technical support, complete warranty services and worldwide logistics support. Wherever your project is located, MMALATEX ensures smooth project delivery and provides safe and reliable solutions for hazardous areas.

6.FAQs

Q1: What is the explosion-proof marking of CP-48/72 explosion-proof ammeter and voltmeter module?

A1: The explosion-proof marking is Ex e Ⅱ Gb for ammeter and Ex e mb Ⅱ Gb for voltmeter.

 

Q2: Which hazardous zones are applicable for CP-48/72 series meters?

A2: They are suitable for Zone 1, Zone 2 gas hazardous locations and Zone 21, Zone 22 dust hazardous locations.

 

Q3: What is the operating frequency for CP-48/72 ammeter and voltmeter?

A3: The operating frequency is 50/60Hz.