RTO1000DHR420 high precision current sensor

Product catalog summary

Overview
The RTO1000DHR420 series is a high precision Hall Effect current sensor designed by Rongtech Industry (Shanghai) Inc. It is an open-loop device that provides galvanic isolation between primary and secondary circuits, suitable for precision measurement of DC, AC, and pulse currents.

Electrical Specifications

Rated Current (Ip): Ranges from 10A to 1000A depending on the model.
Measurement Range: Up to 1500A for higher models.
Rated Output Current: 4 to 20 mA with ±0.5% full-scale accuracy.
Load Resistor: ≤300 Ω.
Supply Voltage: 20-30V with ±5% tolerance.
Current Consumption: 30 + IO mA.
Offset Drift Current: 4 mA.
Offset Current Temperature Drift: ≤±5 uA/℃.
Linearity: ≤0.5% full-scale.
Response Time: ≤200 ms.
Bandwidth: DC 20 to 6000 Hz.
Galvanic Isolation: 4.0 kV at 50Hz for 1 minute.
Operating Temperature: -40 to +85℃.
Storage Temperature: -55 to +125℃.

Mounting and Connection

Pin Connector: Includes +24V, IO (output current), NC (no connect), and GND (ground).

Directions for Use

Current flows in the forward direction when following the arrowhead.
Primary conductor temperature should not exceed 120℃.
Optimal dynamic performance when the primary hole is fully filled with the bus bar.

Typical Applications

Battery Banks: Load and charging current monitoring, operation supervision.
Power Supplies: PC power or auxiliary loads measurement.
Electric Heating Elements: Faster response than temperature sensors.

General Data

Isolated plastic case recognized according to UL 94-V0.
Standards: EN60947-1:2004, IEC60950-1:2001.

Isolation Characteristics

RMS Voltage for AC Isolation Test: 4.0 kV at 50Hz for 1 minute.

Catalog excerpts

RTO1000DHR420 high precision current sensor-1

RT01000DHR420 series current sensor is a open loop device based on the measuring principle of the hall effect ,with a galvanic isolation between primary and secondary circuit, the size of primary not effect test precision, no matter the location of primary in the hole of current sensor, it use for precision measurement of DC, AC and pulse current || ELECTRICAL DATA type Rated current(Ip) Measure range Rated output current (DC) Load resister Supply voltage Offset drift curent Offset current temp drift Linearity Response time Band with (-3dB) Galvanic isolation 50HZ, 1min Operating temperature Storage temperature MOUNTING DATA

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RTO1000DHR420 high precision current sensor-2

1. Is will be in a forward direction when the Ip flows according to the direction of the arrowhead. 2.The primary conductor should be^120°C; 3.The dynamic performance (di/dt and the response time)is the best when the primary hole is fully filled with the bus bar. Typical Application 1. Battery banks Load current monitoring Charging current monitoring Operattion supervision 2. Power supplies PC power or auxiliaey loads Measurement 3. Electric heating elements Faster response than temperature sensor General data • Isolated plastic case recognized according to UL 94-V0 • Standards EN60947-1:2004...

Open the catalog to page 2