Zhejiang Holley International Co. Ltd

Model Number: HL-HLD01 Brand Name: HOLLEY INTL Key Specifications/Special Features: Meter case: two types of cases, insulating case of protective-class II and weatherproof case complying to IEC 60529 and IP54Terminal block:Molded of bakeliteVoltage test link can be located inside or outside of meter caseMaximum diameter of terminal hole: 8.5mm

Driving element:

• Driving element consists of voltage element and current element, both of which are fixed to frame
• Voltage element has low load adjustment mechanism and current element has inductive load adjustment mechanism

Rotor:

• Rotor shaft made of aluminum alloy with small hole in upper end for storing lubrication and for fitting brass bearing
• Worm turned of brass and acid-cleaned or nickel-plated Worm and shaft can be detached

Braking element:

• Magnet made of AlNiCo5 alloy and designed as U-shaped so that effect of short-time over current upon magnet negligible
• Full load error can be fine controlled by adjustment mechanism

Frame:

• Frame die-casted by Si-Al alloy of stable property to avoid distortion
• Application of static spray-painting on surface prevents frame from oxidation

Upper bearing:

• Pin: abrasion-proof stainless steel
• Embedded on brass pin base

Lower bearing: both double jewel bearing and magnetic bearing Register:

• With direct-reading cyclometer type register
• Register self-located and mounted on frame by one screw
• Fixing with two screws also available but needs to be manually adjusted
• Two types of gears: brass gears and self-lubricating plastic gears