After extensive research through technician forums and digital libraries, the following are the most reliable and safe sources to download the original manual for free.
| Problem | Likely Cause (from manual) | Solution | | :--- | :--- | :--- | | | Mechanical blockage or debris in coil gap. | Gently tap the case. Do not blow compressed air into the movement. | | No reading on Ohms | Dead 1.5V or 9V battery. | Replace both batteries, even if one looks new. | | Inaccurate DC Voltage | Worn probe leads (high resistance). | Test leads with a DMM; replace if above 0.5 Ohms. | | Needle bounces slowly | Overload damage (shorted internal diode). | Requires calibrated service center (rare parts). | | AC reading drifts | External magnetic field (speaker or transformer nearby). | Move meter 12 inches away from power sources. |
hosts detailed repair info and circuit diagrams for various series (V, VI, VII). Historical Manuals : High-quality PDF versions are hosted by Fracassi.net for the 5th and 4th series. fracassi.net Key Specifications Sensitivity Class 2 (±2% full scale for most ranges) DC Voltage 100 mV to 2000 V (13 ranges) AC Voltage 2 V to 2500 V (11 ranges) DC Current A to 10 A (12 ranges) Resistance up to 10 M (internal battery) or 100 M Essential Usage Instructions
Duration: 5 sessions (each 45–60 minutes) supertester ice 680 r manual pdf
| Source | Description | Notes | | :--- | :--- | :--- | | | The English version of the Operator's and Repair Manual is available here. | This is an excellent source for the English language version. | | S5tech.net | A user on this forum has uploaded both the 2nd series and the 6th series manuals. | The 2nd series manual is 12.49 MiB , while the 6th series manual is 5.24 MiB . | | Idoc.pub | A copy of the "Manuale Multimetro 680r" is hosted here. | This is a 33-page Italian-language manual for the VII series. | | Cricoper.blogspot.com | This Spanish blog has provided a download link for the 6th and 7th series manuals. | The link was last updated on January 21, 2023 and the manual includes a troubleshooting section. |
changes ranges by physically moving the test leads into different combination pairs across the faceplate. Operating Instructions 1. Measuring Voltage (AC/DC) Supertester 680 R Operator's Guide | PDF - Scribd
The Supertester 680 R was designed for longevity and ease of service. The removeable printed circuit board assembly can be flipped out or completely removed without desoldering any components, giving the technician easy access to every part. All construction was done on a printed circuit board that is tilting and completely removable without any desoldering, allowing for extremely easy replacement of any component. Do not blow compressed air into the movement
Leo was a hardware engineer who believed in the sanctity of the manual. Not the digital, searchable PDFs of the modern age, but the dense, paper-folded, grease-stained kind. So when his lab inherited a decommissioned Supertester Ice 680 R—a legendary, notoriously finicky piece of thermal measurement equipment from the early 2000s—he did the rational thing. He googled: supertester ice 680 r manual pdf .
: Integrated mirror track below the needle Operating Instructions & Test Setup Unlike modern auto-ranging digital multimeters, the Supertester 680 R
Then, he saved the PDF to three different hard drives. He wasn't going to let this story get lost again. | | Inaccurate DC Voltage | Worn probe
You can find various editions of the PDF manual and schematics online:
For a more detailed understanding, the table below summarizes the complete technical specifications for the Supertester ICE 680 R, as found in its manual:
If you want, I can:
The is more than just a measurement tool; it is a landmark in the history of electrical engineering . Developed in Italy by Industria Costruzioni Elettromeccaniche (ICE) in Milan starting in the 1960s, this professional analog multimeter has remained in production for decades due to a design so functional that improvements are difficult to justify. A Legacy of Italian Precision Supertester 680 R
Decibel (dB) measurements, capacity, and frequency checks (model dependent). 🛠️ Operating Instructions 1. Zeroing the Meter