DEEP SEA ELECTRONICS DSE4520 - Voltage & Frequency Sensing; Current Sensing

Specification
10
3.6 VOLTAGE & FREQUENCY SENSING
Measurement Type True RMS conversion
Sample Rate 5kHz or better
Harmonics Up to 11
th
or better
Input Impedance
300kΩ phase to neutral
Phase To Neutral
15V (minimum required for sensing frequency ) to 415V AC (absolute maximum)
Suitable for 345V nominal
(±20% for under/overvoltage detection)
Phase To Phase
25V (minimum required for sensing frequency ) to 720V AC (absolute maximum)
Suitable for 600V nominal
(±20% for under/overvoltage detection)
Common Mode Offset From Earth 100V AC (max)
Resolution
1V AC phase to neutral
2V AC phase to phase
Accuracy
±1% of full scale phase to neutral
±2% of full scale phase to phase
Minimum Frequency 3.5 Hz
Maximum Frequency 75.0 Hz
Frequency Resolution 0.1 Hz
Frequency Accuracy ±0.2 Hz
3.7 CURRENT SENSING
NOTE: Current Sensing is not available on the DSE45xx-01 variant.
Measurement Type True RMS conversion
Sample Rate 5KHz or better
Harmonics Up to 10
th
or better
Nominal CT Secondary Rating 5A
Maximum Continuous Current 5A
Overload Measurement 3 x Nominal Range setting
Absolute Maximum Overload 50A for 1 second
Burden
0.25VA (0.01Ω current shunts)
Common Mode Offset ±1V peak plant ground to CT common terminal
Resolution 0.5% of 5A
Accuracy ±1% of Nominal (5A) (excluding CT error)