Multi Measuring Instruments Co.
Multi MHR-600 Current Direction Recording Ammeter for Overhead Distribution Lines
Manufacturer: Multi Measuring Instruments Co., Ltd.
Model: MHR-600
Features
・Measurement and recording of the average current and current direction of the set interval
・Can be easily installed and removed with an insulated control rod
・Recorded content is output to a USB memory memory after measurement (can be changed to CSV format on a computer)
・For 6.6kV distribution lines, splash-proof structure (protection class: IP64)
Specifications
| Measurement Functions | AC current and current direction |
|---|---|
| Measuring range | AC 1A～600A（50/60Hz） |
| Measuring range | AC 60A/600A (Auto Range) |
| AC current accuracy | ±3% (full scale for each range) |
| CT Inner Diameter | φ28mm |
| Minimum resolution | 0.1A |
| Measurable conductor diameter | φ9~25mm (insulated wire) |
| Measurement method | AC current: CT clamping method Voltage detection: Non-contact inductive voltage method |
| Calculation method | True RMS Method |
| indication | AC current: LCD display Power flow direction: LED (red) flashing when counter-current |
| Record Contents | Current value / current direction / month day time |
| Recording Interval | 0.5/1/5/30/60 seconds |
| Recording Capacity | Approximately 690,000 data |
| Recording Output | Record internally and output to a USB memory |
| Operating Circuit Voltage | AC 7kV or less |
| Accuracy Guarantee Coverage | -10℃～+50℃ |
| Operating Warranty Coverage | -20°C~+60°C (operates within ±6%F.S) |
| structure | IP64（JIS C 0920） |
| Software Compatible OS | Windows 7 / 8.1 / 10 / 11 |
| power | AA alkaline or AA lithium batteries×6 |
| Dimensions and Weight | W133×H373×D118mm Approx. 2kg |
| accessory | Batteries, storage cases, USB memory |
