Common Specifications

• Channels Per Module: 6
• Sample Rate: 800 kS/s/ch (400 KS/s/ch when using TMX-E or TMX-R)
• Rated Isolation: 250 VRMS or DC, Cat II (iso-common to chassis and other iso-commons)
• A/D: 16-bit SAR (one per channel)
• Frequency Counter Capability: Yes, first channel. Software selectable.
• Anti-Aliasing Filter: 4 pole Bessel
• Counter Modes: Gated time frequency counter, cycle based frequency counter, pulse counter, pulse width detector, period width detector, duty cycle detector
• Frequency ctr range (menu): Up to 120 kHz
• Frequency ctr range (spec’d): 2 – 100 kHz (48 Hz – 100 kHz for cycle based frequency counter)
• 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: 64000000 maximum. (16 bit display resolution)
• Pulse width accuracy: 0.7 μs +.00167% of span
• Pulse width range: 10 μs – 40000 μs
• Edge separation accuracy: .002% of measurement + .00167% of span + 0.7 μs
• Edge separation range: 25 μs – 5000000 μs
• Period width accuracy: .02% of measurement + .00167% of span + 1.0 μs
• Period width range: 5 μs – 90000 μs (11 Hz – 200 kHz)
• Duty cycle accuracy: .5% (Inputs in the 15 Hz – 10 kHz range with 20% – 80% 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
• Anti-Aliasing Filter: 4 pole Bessel
• Bandwidth: 100 kHz (-3dB) (400V, 200V and 50V attenuators) 90 kHz (-3dB) (10V and 1V attenuators)
• AC Coupled 3dB Point: < 0.54 Hz
• Off Ground Measurements: Yes
• Zero Suppression: Yes
• Attenuator Ranges: 1, 10, 50, 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), +/- 50 V (50 VFS or 100 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): +/- 0.07% of attenuator
• Overshoot: < 1.0%
• Intrinsic Noise (pk-pk): < 0.08% of attenuator + .08% of span (400V through 10V atts) < 0.17% of attenuator + .07% of span (1V att
• IMR at 60 Hz: Better than -75 dB
• Min Input Impedance: > 1 Megohm

Differential Input

• Connector: 4 wire screw terminal
• Input: Differential, DC coupled
• A/D: 16 bit SAR (one per channel)
• Bandwidth: 50 kHz
• Measurement Ranges: +/- 1000 mV, +/- 500 mV, +/- 50 mV
• Max Transient Input: +/- 20V (no damage)
• Common Mode Voltage: +/- 3V
• Zero Suppression: Yes
• DC Accuracy (25°C): +/- 0.07% of attenuator
• Overshoot: < 1.0%
• Intrinsic Noise (pk-pk): < 0.08% of attenuator + .09% of span (1000 mV &500mV Atts) < 0.14% of attenuator + .08% of span (50 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 or 0.1 to 6 V for DC bridge measurements – 30 mA maximum
• Excitation Accuracy: 0.05 V voltage mode

† CMV specification applies only when pins other than the + and – inputs are being used. When the Differential / DC Bridge inputs are used simply as a differential input, the isolation mode voltage of 250 V applies