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DRT-370D
DIN rail three phase four wire energy meter
User manual
Shanghai Fengyilong Electronic Co. Ltd.
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www.china-meters.com
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DRT-370D user manual
Safety instruction
Foreword
Performance criteria
Specifications
Basic errors
Description
Dimensions
Installation
Operating
Troubleshooting
Technical support
Email:sale02@china-meters.com
021-60975591/ 60975592
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Summary of Contents for forlong DRT-370D
- Page 1 DRT-370D user manual DRT-370D DIN rail three phase four wire energy meter Safety instruction Foreword Performance criteria Specifications Basic errors Description Dimensions Installation Operating 1.10 Troubleshooting 1.11 Technical support User manual Shanghai Fengyilong Electronic Co. Ltd. www.china-meters.com Email:sale02@china-meters.com 021-60975591/ 60975592...
- Page 2 DRT-370D user manual 1.1 Safety instructions Information for Your Own Safety This manual does not contain all of the safety measures for operation of the equipment (module, device), because special operating conditions, and local code requirements or regulations may necessitate further measures. However, it does contain information which must be adhered to in the interests of your own personal safety and to avoid material damages.
- Page 3 1.2 Foreword Thank you for purchasing the Forlong DRT-370D DIN rail three phase four wire energy meter. The Forlong DRT-370D energy meter is the most advanced type electronic kWh meter available at the market. With the Forlong product range we have introduced a large scale of energy meters on the market suitable for 110V AC to 400V AC (50 or 60Hz).
- Page 4 DRT-370D user manual 1.3 Performance criteria: Operating humidity ≤ 75% Storage humidity ≤ 95% Operating temperature -10°C - +50°C Storage temperature -30°C - +70°C International standard IEC 62053-21 Accuracy class Protection against penetration of dust and water IP51 Insulating encased meter of protective class 1.4 Specifications:...
- Page 5 DRT-370D user manual 1.6 Description Front panel Cover Base Protection Cover Security hasp Material Front panel PC inflammable retarding Protection cover ABS/PC alloy inflammable retarding Cover ABS/PC alloy inflammable retarding Base ABS/PC alloy inflammable retarding Shanghai Fengyilong Electronic Co. Ltd.
- Page 6 DRT-370D user manual 1.7 Dimensions Height 140mm Height without protection cover 90 mm Width 70 mm Depth 64 mm Size of connection clamp(L×H) 8×8mm Size of connection clamps(Diagonal) 11.3mm Weight 0.42 Kg (net) 1.8 Installation CAUTION ¾ Turn off and lock out all power supplying the energy meter and the equipment to which it is installed before working on it.
- Page 7 For this LED, the flash rate is 400 impulses per kWh (2.5Wh/imp). Reverse indication There is REV. LED on DRT-370D front plate. When meter load current flow is reverse, the LED lighten. Reading the meter The DRT-370D energy meter is equipped with a 5+2 LCD display which is used as recording consumption and can’t be reset to zero.
- Page 8 DRT-370D user manual Pulse output The DRT-370D DIN rail energy meter is equipped with a pulse output which is fully separated from the inside circuit. That generates pulses in proportion to the measured energy for remote reading purposes and accuracy testing. The pulse output is a polarity dependant, passive transistor output requiring an external voltage source for correct operation.
- Page 9 DRT-370D user manual Problem Check Solution No light for the Is AC power Check switch or circuit- Power supply supply connected breaker and fuse or thermal indicator (L1, L2 to the cut-off. & meter ? L3 LED). Is the L1, L2, L3 Reinstall terminal screws on the L1, L2, L3 and N.
- Page 10 DRT-370D user manual Problem Check Solution The register Is there a Check that the power supply can’t run. power supply indicator ( L1, L2 & L3 LED ) inside the meter ? burning. Is the If the operating power is too...
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