• Three Phase Energy Mechanical Meter HLT01
OverviewHolley Metering Ltd.
Contactor Mr. Wayne Huang .
PortShanghai.
Minimum Order100 Piece/Pieces YY.
Supply Ability20000 Piece/Pieces per Month YY.
Payment TermsL/C,T/T.
FOB Price

US $29 - 34 / Piece

Specification

Mechanical meter: Overloading capacity up to 400%Ib

Output Voltage: 100~415V

Phase: Three Phase

Place of Origin: China

Dimensions: 328x178x132.5mm

Accuracy Class: Class 2

Model Number: HLT01(DT862)

Operating Temperature: -30~70

Measuring Energy Range: 999999.9

Brand Name: Holley

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More Detail

1. General
The HLT01 three-phase four-wire meter is designed to meet the latest IEC 60521 and BS EN 60521 standards for measuring active energy in three-phase four-wire alternating current power grids. Connection is direct or by instrument transformers. The average service life (MTTF) of the meter is 15 years and the maximal overload capacity is 400%Ib.

2. Constructions
2. 1 Meter case
The meter case meets the protection requirements set by IP52 of IEC 60529. The series types of cases and terminal covers are available.
2. 2 Terminals & Terminal block
Terminals:
The connection terminals are made of nickel-plated brass with features of high mechanical strength, good conductivity and corrosion-resistance.
Terminal block:
For meter of steel or PC base, the terminal block is molded of heat- and flame-resistant Bakelite. The voltage test link can be located inside or outside of the meter case.
2. 3 Driving system
It has three electromagnet elements. Each element consists of a voltage element and a current element, all of which are mounted on the meter frame with two screws. Voltage coil is enwrapped in a thermoplastic case to ensure fine insulation.
The current element employs a simple and reliable load curve compensation mechanism to ensure the flat characteristic curve. An inductive load adjustment mechanism is on it.
2. 4 Rotor
The rotor disk is made of hard and high purity aluminum. The rotor shaft is turned of high strength brass. There is a small hole on the upper end for storing lubrication and for fitting a brass bearing. The lower end is cone-shaped to ensure fine guiding of the rotor.
2. 5 Braking element
The magnet cube is made of AlNiCo5 alloy and designed as U-shaped so that the effect of short time over currents upon the magnet is negligible. A temperature compensation plate made of a special alloy is mounted outside of the magnet. Precisely turning the adjustment mechanism can control the error of full load.
2. 6 Frame
The frame is die-casted by high quality aluminum-silicon alloy of stable property to avoid distortion. The application of static spray-painting on the surface prevents the frame from oxidation.
2. 7 Upper bearing
The guide pin is made of abrasion-proof stainless steel, and embedded into the brass sleeve.
2. 8 Lower bearing
Both double jewel bearing and magnetic bearing are available.
2. 9 Register
The cyclometer type register consists of six drums. The kWh can be read directly. The drum is made of polycarbonate. The framework is made of hard aluminum alloy and can be manually adjusted and fixed with two screws to insure the proper mesh with the worm on the rotor shaft.

3. Technical data
1 Meter type HLT01 (DT862)
2 Applicable Standards IEC60521
3 Accuracy class(according to IEC60521) CT operated: Class 2
Direct connected: Class 2
4 Average service life (MTTF)15 years
5 Basic current(Maximum current)A 1. 5(6) 3(6) 2. 5(10) 5(10) 10(40) 15(60) 20(100)
6 Rating current of transformer in 5A
Direct connection
7 Reference voltage Un 3X57. 7/100V, 3X220/380V, 3X230/400V, 3X240/415V
8 Reference frequency 50 Hz, 60 Hz
9 Power losses in voltage circuit at 50 Hz, 1. 0 W/ 5VA
10 Power losses incurrent circuit at 50Hz Un Ib <0. 5 VA
11 Non-running with no-load 0. 8~1. 1Un
12 Starting current 0. 5%Ib
13 Mean temperature coefficient: From 0. 1Ib to Imax at unity PFFrom 0. 2Ib to Imax at unity 0. 5 lagging <0. 10%/oC<0. 15%/ oC
14 Insulation level: Withstand A. C. Voltage for 50 Hz, 1min Withstand impulse voltage 1. 2/50us >2 kV (when bakelite base>4kV)>6kV (when bakelite base>8kV)
15 Rated load torque at unity PF, Ib >850uNm
16 Weight of rotor 54 g
17 Weight of meter =3. 1kg
18 Meter base Steel, Bakelite
19 Meter cover ABS, transparent PC, Bakelite
20 Terminal cover ABS, Bakelite, PC
21 Register Cyclometer single, Unidirectional
22 Option Reverse running stopper

Three Phase Energy Mechanical Meter HLT01

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