High-Resolution Digital Multimeter for Benchtop and System Measurement
The ADCMT 7355 combines selectable 5½- and 6½-digit display modes with variable integration, high-resolution voltage, current, resistance, and temperature measurement.
The 7355 uses an integrating A/D converter and supports measurement speeds up to 250 readings per second. Its variable integration time can be set from 200 μs to 2 s for accurate average measurement of pulsed voltage and current signals.5½ / 6½ Digits
Selectable display resolution up to 1,999,999 counts
Up to 250 rdgs/s
High-speed measurement for benchtop and automated systems
200 μs to 2 s
Variable integration for averaged pulse measurement
USB and LAN
Standard connectivity with optional GPIB or RS-232
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Selectable Display Resolution
Select 5½-digit operation for compatibility with earlier instruments or 6½-digit operation for higher-resolution measurement.
Variable Integration
Set the integration time from 200 μs to 2 s to measure averaged pulsed voltage and current signals.
Four-Wire Resistance Measurement
Four-wire resistance and low-power resistance functions reduce measurement errors caused by test-lead and contact resistance.
Precision Temperature Measurement
Measure temperature using Pt100 or JPt100 platinum resistance sensors with resolution down to 0.001°C.
Standard USB and LAN
USB and LAN interfaces are included as standard. ADC and SCPI command sets support automated measurement integration.
Factory Interface Options
Option +01 adds GPIB, while Option +03 adds RS-232 and comparator output. Both options support external trigger input and completion output.
General-purpose benchtop electrical measurement
Average current consumption measurement
Pulsed voltage and current measurement
Precision low-resistance measurement
Pt100 and JPt100 temperature measurement
Automotive and electronic equipment evaluation
Production-line testing
Automated measurement systems
7355 Specifications
| Specification | 5½-Digit Mode | 6½-Digit Mode |
|---|---|---|
| Maximum Display | 199,999 | 1,999,999 |
| Maximum Measurement Speed | 250 readings/s | 250 readings/s |
| DC Voltage | 1 μV to 1000 V | 100 nV to 1000 V |
| DC Voltage Accuracy | 0.011%/year, typical | 0.011%/year, typical |
| DC Current | 1 μA to 10 A | 100 nA to 10 A |
| Resistance | 1 mΩ to 200 MΩ | 100 μΩ to 200 MΩ |
| AC Voltage | 1 μV to 700 V True RMS | 100 nV to 700 V True RMS |
| AC Voltage Frequency Range | 20 Hz to 100 kHz | 20 Hz to 100 kHz |
| AC Current | 1 μA to 10 A True RMS | 100 nA to 10 A True RMS |
| Variable Integration Time | 200 μs to 2 s | 200 μs to 2 s |
| Temperature Measurement | Pt100: −200°C to +850°C JPt100: −200°C to +649°C |
Pt100: −200°C to +850°C JPt100: −200°C to +649°C |
| Data Memory | 20,000 readings | 20,000 readings |
| Standard Interfaces | USB, LAN | USB, LAN |
| Factory Options | GPIB or RS-232 / comparator output | GPIB or RS-232 / comparator output |
