BKPRECISION D18-HVM4 High Voltage Module (4 Channel, 1500 VDC, for use w/DAS1800, D18 Series)

Number of Channels: 4

Input Type Isolated differential input - 4mm Banana Plug

Voltage

Max. Input Voltage: ± 1500 VDC or 1000 Vrms

Overvoltage Protection: ± 2000 VDC or 1414 Vrms (3)

Range (9 ranges)

± 5 V / 10 V / 25 V

± 50 V / 100 V / 250 V

± 500 V / 1000 V / 2000 V

DC Accuracy: ± 0.06% of full range

Offset Drift: ± 50 ppm/°C ± 1 μV/°C

Input Impedance (DC): 1 MΩ

Input Capacitance: 10 pF

Intrinsic Noise(standard deviation in % of the span): < 0.02%

CMRR (Common mode rejection range): > -120 dB

Crosstalk: > -120 dB

Channel Isolation: CH to CH and CH to GND, > 100 MΩ at 2000 VDC

Bandwidth and Filters

Bandwidth(-3 dB):

Ranges ≤ ± 2.5 V: 30 kHz

Ranges ≥ ± 50 V: 100 kHz

Analog Filter

3rd order(-60 dB/dec): 100 Hz, 1 kHz, 10 kHz

Digital Filter

IIR 4th order (-80 dB/dec): 0.01 Hz to 10 kHz

Type: Low pass, high pass, band pass, band stop

Prototypes: Butterworth, Bessel, Chebyshev, Inverse Chebychev, elliptic, Papoulis, Gaussian

Data Acquisition

ADC: 16 bit - SAR

Sampling Interval: 1 μs (1 MSa/s) each channel

Time and Counting

Threshold: Set by user, auto

Duty Cycle: 10% minimum - minimum pulse width 20 μs

Counter: 48 bits

Frequency: 0.1 Hz to 50 kHz

Accuracy:

0.01% from 0.1 Hz to 10 Hz

0.05% of the value from 10 Hz to 50 kHz

PWM

Absolute error:

0.1% - 0.1 Hz to 1 kHz

0.5% ≥ 1 kHz to 5 kHz

True RMS

Compute Period

Compute on the 1 Ms/s data flow

Each period until 100 Hz

10 ms between 100 Hz and 10 kHz

Accuracy (on a Sine wave for range ≥ 10 V)

10 Hz to 2 kHz: ± 0.1% of full range

2 kHz to 10 kHz: ± 0.3% of full range

Other

Current: Through shunt or clamp

Sensor: 0 to 10 V, 4 to 20 mA (with external shunt), duty cycle or frequency sensor, and other user defined settings

Calculations: Derivative, integral, min - max - avg - pk to pk on Δt

Datasheet