COMMON SPECIFICATIONS

• Channels Per Module: 4
• Rated Isolation: 250 VRMS or DC, CAT II (iso-common to chassis and other iso-commons)
• Frequency Counter: Capability All channels. Software selectable.
• Counter Modes: Gated time frequency counter, cycle-based frequency counter, pulse event counter, gated pulse event counter, quadrature counter, pulse width detector, period width detector, duty cycle detector, edge separation detector.
• Frequency ctr range (menu): Up to 80 KHz
• Frequency ctr range (spec’d): 2 – 40 KHz
• Frequency ctr accuracy: ± 0.07% of Measurement + .002 Hz
• Min counter input amplitude: 25% of span for freq and pulse counters, 90% of span for all other modes
• Pulse counter range: 4000000000 maximum. (16 bit display resolution)
• Pulse width accuracy: .002% of measurement + .00167% of span + 0.7 μs
• Pulse width range: 25 μs – 2500000
• Edge separation accuracy: .002% of measurement + .00167% of span + 0.7 μs
• Edge separation range: 25 μs – 5000000 μs
• Period width accuracy: .001% of measurement + .00167% of span + 0.7 μs
• Period width range :25 μs – 100000 μs (10 Hz – 40 KHz)
• Duty cycle accuracy: .5% (Inputs in the 1 Hz – 5 KHz range with 5% – 95% duty cycles)
• Counter Timebase: 50 MHZ
• Cold Start Drift: 0.1% of attenuator (60 min.)

SINGLE ENDED INPUT

• Connector: Guarded banana jacks (red/black)
• Input: Single-ended, AC/DC coupled
• Sample Rate: 200 kS/s/ch
• A/D: 16 bit SAR (one per channel)
• Anti-Aliasing Filter: 4 pole Bessel
• Bandwidth: 40 KHz (-3dB)
• AC Coupled 3dB Point: < 0.54 Hz (0.47 Hz typ)
• Off Ground Measurements: Yes
• Zero Suppression: Digital.
• Attenuator Ranges: 1, 10, 100, 200 and 400 Volt
• Measurement Ranges: ± 400 V (400 VFS or 800 VFS w/ zero offset), ± 200 V (200 VFS or 400 VFS w/ zero offset),
  ± 100 V (100 VFS or 200 VFS w/ zero offset), ± 10 V (10 VFS or 20 VFS w/ zero offset),
  ± 1 V (1 VFS or 2 VFS w/ zero offset. 0.1V min span)
• Max Rated Input: 250 Vrms or DC, Cat II
• Max Transient Input: ± 800 V peak (not to exceed 250Vrms)
• DC Accuracy (25°C): ± 0.06% of attenuator
• Overshoot: < 0.25%
• Intrinsic Noise: (pk-pk) < 0.02% of attenuator + .02% of span (400V through 10V atts)
  < 0.16% of attenuator + .02% of span (1V att)
• IMR at 60 Hz: Better than -80 dB
• Min Input Impedance > 1 Megohm

DIFFERENTIAL INPUT

• Connector: 8 wire screw terminal
• Input: Differential, DC coupled
• Sample Rate: 200 kS/s/ch
• A/D: 16 bit SAR (one per channel)
• Anti-Aliasing Filter: 4 pole Bessel
• Bandwidth: 35 KHz
• Measurement Ranges: ± 1000 mV, ± 100 mV, ± 20 mV
• Max Transient Input: ± 20 V (no damage)
• Common Mode Voltage: ± 10 V
• Zero Suppression: digital.
• DC Accuracy (25°C): ± 0.06% of attenuator
• Overshoot: < 0.25%
• Intrinsic Noise: < 0.02% of attenuator + .02% of span (1000 mV Att), < 0.05% of attenuator + .02% of span (100 mV Att)
  < 0.18% of attenuator + .02% of span (20 mV Att)
• Input Impedance: > 300 KΩ (150 KΩ balanced to isolated common)
• CMR at 60 Hz: > 85 dB
• Excitation: DC Voltage – adjustable, 0.1 to 10 V. 30 mA maximum
• Excitation Accuracy: 0.05 V voltage mode

RESISTANCE INPUT
(32950503 ADP-R option)

• Connector: 4 wire screw terminal
• Input: Differential, DC coupled
• Sample Rate: 2.5 samples/sec
• A/D: 24 bit SigmaDelta (one per channel)
• Anti-Aliasing Filter: Inherent
• Measurement Ranges: 0 to 1500 Ω
• Max Transient Input: ± 20 V (no damage)
• Accuracy: 0.03% of measurement + 0.04 Ω

DCVM INPUT

• Connector: 8 wire screw terminal
• Input: Differential, DC coupled
• Sample Rate: 2.5 samples/sec
• A/D: 24 bit SigmaDelta (one per channel)
• Anti-Aliasing Filter: Inherent
• Measurement Ranges: -10 mV to + 100 mV
• Max Transient Input: ± 20 V (no damage)
• Common Mode Voltage: ± 10V
• Zero Suppression: Digital.
• DC Accuracy (25°C): 20 V (no damage) 0.04% of attenuator
• Intrinsic Noise (pk-pk): < 0.005% of attenuator
• Input Impedance: > 300 KΩ (150 KΩ balanced to isolated common)

RTD INPUT
(32950503 ADP-R option)

• Connector: 4 wire screw terminal
• Input: Differential, DC coupled
• Sample Rate: 2.5 samples/sec
• A/D: 24 bit SigmaDelta (one per channel)
• Anti-Aliasing Filter: Inherent
• Measurement Ranges: Pt100(385) -200 to 800°C,
  Pt100(3916) -200 to 630°C (-200 to 800 on menu)
• Max Transient Input: ± 20 V (no damage)
• Resolution: 0.01 *C
• Supported RTD Probe types: Pt 100 – 385 (DIN 43760, IEC751 and ASTM 1137), Pt 100 – 3916 (JIS C1604),
  Pt 100 – 3926 (reference grade) – future
• DC Accuracy (25°C): Pt 100 – 385 0.04% of measurement + 0.1°C, Pt 100 – 3916 0.1% of measurement + 0.2°C
• Linearization: Yes

THERMOCOUPLE INPUT
(32950502 ADP-T needed for internal CJC)

• Connector: Type U miniature thermocouple
• Input: Differential, DC coupled
• Sample Rate: 2.5 samples /sec
• A/D: 24 bit SigmaDelta (one per channel)
• Anti-Aliasing Filter: Inherent
• Specified Range Type J: -210 to 1200°C
• Specified Range Type K: -200 to 1372°C
• Specified Range Type E: -200 to 1000°C
• Specified Range Type T: -200 to 400°C
• Specified Range Type N: -200 to 1300°C
• Specified Range Type B: 600 to 1820°C (250 to 1820 on menu)
• Specified Range Type R: 0 to 1767°C (-20 to 1768 on menu)
• Specified Range Type S: 0 to 1767°C (-20 to 1768 on menu)
• Specified Range Type C: 0 to 2316°C
• Max Transient Input: ± 20 V (no damage)
• Common Mode Voltage: ± 10V
• Resolution: 0.01°C
• Thermocouple types: J,K,E,T,N,B,R,S,C
• Accuracy (25°C) J (< 0): ± 3.0°C.
• Accuracy (25°C) J (0 to 1200): ± 1.0°C.
• Accuracy (25°C) K (< 0): ± 3.0°C.
• Accuracy (25°C) K (0 to 1372): ± 1.0°C.
• Accuracy (25°C) E (< -100): ± 3.0°C.
• Accuracy (25°C) E (-100 to 1000): ± 1.5°C.
• Accuracy (25°C) T (< -100): ± 2.5°C.
• Accuracy (25°C) T (-100 to 400): ± 1.5°C.
• Accuracy (25°C) N (< -50): ± 3.0°C.
• Accuracy (25°C) N (-50 to 1300): ± 1.5°C.
• Accuracy (25°C) B: ± 4.5°C.
• Accuracy (25°C) R: ± 5.5°C.
• Accuracy (25°C) S: ± 5.5°C.
• Accuracy (25°C) C: (W5ReM26Re) ± 3.0°C.
• Cold Junction Compensation: Both internal and external.
• Compensation Error: Included in accuracy specification
• Linearization: NIST ITS-90
• Input Impedance: > 300 KΩ (150 KΩ balanced to isolated common)

IEPE (LIVM) INPUT
(32950501 ADP-I option)

• Connector: Isolated BNC
• Input: Single Ended, AC coupled with constant current excitation
• Sample Rate: 200 kS/s/ch
• A/D: 16-bit SAR (one per channel)
• Anti-Aliasing Filter: 4 pole Bessel
• Measurement Ranges: ± 10 V (1 to 20 VFS)
• Max Transient Input: ± 30 V (no damage)
• Accuracy (25°C): ± 0.1% of attenuator
• Overshoot: < 0.25%
• Intrinsic Noise (pk-pk): < 0.02% of attenuator + .02% of span
• Min Input Impedance: > 1 Megohm
• IMR at 60 Hz: Better than -85 dB
• Excitation: 4.5 mA DC current
• Excitation Accuracy (25°C): 20%
• Excitation Compliance Voltage: 20V (Approx 24V open circuit voltage)
• Excitation Protection: Short Circuit Protected
• Coupling Time Constant: 10 s (± 30%) (10μF / 1M‡)
• Rated Isolation: 30 Vrms or 60 VDC