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DI-8B45 Frequency RPM Amplifier Series

Frequency (RPM) Input Module for the DI-4718B Data Logger.

SKU DI-8B45 Series Category Tag

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DI-8B45 Frequency RPM Amplifier for the DI-4718B Data Logger from DATAQ Instruments.

Product Features

  • Accepts Frequency Input Signals 0 to 100kHz
  • TTL or Zero-Crossing Signal Inputs
  • High Level Voltage Outputs
  • 1500Vrms Transformer Isolation
  • ANSI/IEEE C37.90.1 Transient Protection
  • Input Protected up to 240VAC Continuous
  • 100dB CMR
  • 70dB NMR at 60Hz
  • ±0.05% Accuracy
  • ±0.02% Linearity
  • Low Drift with Ambient Temperature
  • Mix and Match Module Types

Model options for the DI-8B45 Series

Input Threshold: Zero Crossing
Minimum Input: 100mVp-p
Maximum Input: 350Vp-p TTL, 170Vp-p Zero Crossing
Minimum Pulse Width: 4µs
TTL Input Low: 0.8V max
TTL Input High: 2.4V min
Input Hysteresis: Zero Crossing: ±50mV
TTL: 1.5V
Input Resistance: Normal: 68kΩ
Power Off: 68kΩ
Overload: 68kΩ
Input Protection: Continuous: 240VAC (8B30-01: 120VAC)
Transient: ANSI/IEEE C37.90.1
Excitation: +5V at 8mA max
CMV, Input to Output: Continuous: 1500Vrms
Transient: ANSI/IEEE C37.90.1
CMR (50Hz or 60Hz): 100dB
Accuracy: ±0.05% Span (Includes nonlinearity, hysteresis and repeatability)
Nonlinearity: ±0.02% Span
Stability: Offset: ±25ppm/ºC
Gain: ±100ppm/ºC
Noise: Output Ripple: <10mVp-p at Input> 2% Span
Response Time, 90% Span: 160ms, 80ms, 35ms, 16ms, 8.5ms, 3.4ms, 1.6ms, 0.8ms
Output Range: 0 to +5V
Output Protection: Transient: Continuous Short to Ground
ANSI/IEEE C37.90.1
Power Supply Voltage: +5VDC ±5%
Power Supply Current: 45mA
Power Supply Sensitivity: ±50ppm/%
Mechanical Dimensions: 28.1mm × 41.9mm × 10.2mm
Operating Temperature: -40ºC to +85ºC
Storage Temperature: -40ºC to +85ºC
Relative Humidity: 0 to 95% Noncondensing
DI-8B45 Specifications DI-8B45 Specifications

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