Benchtop Multimeter
GPS‑8145
4½‑digit bench DMM with dual 80,000‑count display + bargraph, True RMS, wide measurement functions, 0.5 Hz–5 kHz function generator and PC logging via RS‑232.
80,000 counts × 2True RMSUp to 100 MHz freqPC logging (RS‑232)
Key features
Dual display + bargraph
Main & secondary 80,000‑count LCD with 21‑segment bargraph and backlight.
True RMS & dual‑mode
Simultaneous pairs (e.g., AC+Hz, DC+dBm) for richer readouts.
Wide measurement set
AC/DC V & A, resistance, capacitance, frequency, temperature, diode/continuity.
Built‑in generator
Square‑wave function generator, 0.5 Hz–5 kHz with duty control.
Fast updates
4 readings/s (bargraph 40/s) with MIN/MAX/AVG and relative.
PC connectivity
RS‑232 interface for logging/remote control; software & driver available.
Where the GPS-8145 excels
Bench measurement & logging
Dual 80,000-count display and RS-232 for trending, recording and remote control.
Education & training labs
Clear readout, bargraph for transients, and broad functions for multi-discipline courses.
Service & repair
Fast MIN/MAX/AVG, relative mode, diode/continuity and temperature for diagnostics.
Production QA stations
Stable True RMS measurements, quick updates (4 rdg/s) and simple PC logging.
Frequency & signal work
Frequency counter up to 100 MHz and built-in 0.5 Hz–5 kHz square-wave generator.
Thermal testing
Type-K thermocouple input for process and electronics temperature checks.
Key specifications
| Measurement | Range | Resolution | Accuracy (typ.) |
|---|---|---|---|
| DC Voltage | 0–1000 V | 1 µV | ±(0.08% rdg + 10) |
| AC Voltage | 0–750 V | 1 µV | ±(0.8% rdg + 50) |
| DC / AC Current | 0–20 A | 1 µA | ±(0.2% rdg + 10) |
| Resistance | 0–60 MΩ | 0.01 Ω | ±(0.2% rdg + 10) |
| Capacitance | 1 pF–100 µF | 1 pF | ±(2.5% rdg + 50) |
| Frequency | 0.01 Hz–100 MHz | 0.01 Hz | ±(0.1% rdg + 5) |
| Temperature | −50 °C to +1300 °C | 0.1 °C | ±(1.5% rdg + 10) |
| Function generator | 0.5 Hz–5 kHz (square) | 0.1 Hz | Duty 1–99%, ~3 V output |
| Display & rate | Dual 80,000 counts + bargraph | — | 4 rdg/s (bargraph 40/s) |
| Safety & protection | CAT II up to 1000 V | — | PTC/MOV clamps; fused: 0.5 A & 13 A |
| Interface | RS‑232 serial | — | PC logging / control |
| Power / size / mass | AC mains | — | 248×205×88 mm · ≈1.4 kg |
Headline specs; see datasheet for full details and conditions.
Safety & Compliance
CE
IEC 61010-1
CAT II up to 1000 V
IEC 61326 (EMC)
RoHS
Measurement category
CAT II up to 1000 V input rating — suitable for single-phase receptacle loads and plug-in equipment. Always observe the specified voltage limits.
Input protection
PTC/MOV protection and fused current inputs (0.5 A & 13 A). Replace only with the specified fuses.
Safety practice
Verify lead placement before current/voltage measurements. Follow IEC 61010-1 guidance and the instrument’s operating limits.
Warranty & compliance
1-year limited warranty. Conforms to CE, IEC 61326 (EMC) and RoHS requirements.
What’s included
Standard accessories
- Test probes (pair)
- Alligator clip adapters
- Type-K thermocouple
- RS-232 communication cable
- Mains power cable
- Spare fuses (0.5 A & 13 A)
- User manual / quick start
Downloads & resources
Datasheet
Documentation
Ready to evaluate GPS‑8145 for your bench?
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