ICE Supertester 680 R is a classic Italian analog multimeter known for its high precision (0.5% for resistors) and a large mirror scale designed to eliminate parallax errors. Full operator's manuals and technical guides are available as PDFs from several specialized archives: Manual & PDF Resources Complete Operator's Guide (English):
This 39-page document covers general descriptions, maintenance, and specific instructions for DC/AC voltage and resistance measurements for the Supertester 680 R 4th Series Technical Series Manuals (Italian): 680 R VI Serie 680 R V Serie HQ 680 R VII Serie Key Specifications Sensitivity: 20,000 ohms/volt DC and 4,000 ohms/volt AC. Measurement Ranges: 13 DC ranges (up to 2000V) and 11 AC ranges (up to 2500V).
12 DC ranges (50µA to 10A) and 10 AC ranges (250µA to 5A). Resistance: 6 ranges from , including "Low Ohms" for precision at small values. Special Functions:
Capable of direct frequency (up to 5000 Hz), capacity (up to 20,000 µF), and decibel measurements.
Requires an internal 3V battery (originally a 2R10, which may require modern adapters) for resistance and certain capacity tests. Usage Tips
Before use, ensure the pointer is exactly at zero by adjusting the small slotted button below the panel with a screwdriver.
For high-voltage measurements (1000V+), always connect the analyzer
switching on the circuit to avoid dangerous electrical discharge. Parallax Prevention:
Use the mirror scale by aligning your eye so the pointer hides its own reflection; this ensures you are perfectly perpendicular for an accurate reading. fracassi.net or specific calibration steps for a particular series of the 680 R? ice 680 r vi serie.pdf - fracassi.net
You can find the official user manuals, service guides, and schematics at these reputable technical repositories: Elektrotanya (Series VI)
: Provides a comprehensive service manual including internal circuit diagrams. Scribd (Operator's Guide)
: A detailed 39-page document covering features, range tables, and maintenance instructions. Fracassi.net (Series IV)
: A direct PDF link to the 4th series manual, featuring detailed Italian/English instructions and circuit layouts. fracassi.net Key Technical Specifications Specification Sensitivity for most ranges); some DC ranges at DC Voltage 100 mV to 1000 V (extendable to 25 kV with probes) AC Voltage 10 V to 2500 V Current (DC/AC) A to 5 A (DC) and 250 A to 2.5 A (AC) Resistance (direct) or (with mains) Operating Essentials No Manual Zeroing
: Unlike many analog meters, the 680 R's ohmmeter does not require manual zeroing when changing resistance ranges. AVx2 Button
: This patented feature allows you to double the ammetric and voltmetric ranges without changing the probe sockets, increasing measurement versatility. Measurement Safety
: Always start with the highest range to avoid overloading the precision resistors. Resistance
: Never measure resistance on a live circuit; the internal 3V battery powers this mode. Battery Type : Originally used a 3V
battery, though modern users often adapt them with lithium cells or AA combinations. Fuse Protection
: Resistance circuits are protected by a 160 mA glass cartridge fuse to prevent damage from accidental voltage application. Special Functions
The 680 R is more than a standard multimeter; it can also measure: Capacitance : Uses the "ballistic method" (0 to 20,000 : Dedicated ranges from 0 to 5000 Hz.
: Includes dedicated modes for decibels (-10 to +62 dB), diode/transistor testing, and battery testing (1.5V and 9V). breakdown or a list of compatible modern battery replacements for the internal 3V cell? Supertester 680 R Operator's Guide | PDF - Scribd
The fluorescent hum of the server room was the only sound in the house. Outside, the rain lashed against the windows of the suburban bungalow, but inside, Elias was thousands of miles away, deep in the digital ruins of a defunct Canadian engineering firm.
Elias wasn’t a hacker, not really. He was a digital archivist, a man obsessed with "orphaned tech"—machines that were built, used for five minutes, and then forgotten by history.
His current obsession sat in the corner of his workshop, draped in a canvas tarp. It was the Supertester ICE 680-R.
It looked like a prop from a 1970s sci-fi movie. It was a heavy, beige diagnostic mainframe with a control panel that resembled a cockpit. It had been designed to test the structural integrity of deep-sea cables and ice-road thicknesss for oil rigs in the Arctic. It was beautiful. It was useless. And it was currently a sixty-pound doorstop because Elias didn’t know how to calibrate the pressure valves. supertester ice 680 r manual pdf
"I know you’re in here," Elias whispered to the screen. He was navigating a messy, unindexed FTP server he’d found referenced in a dusty Usenet post from 1994.
Folder after folder of financial records and lunch menus scrolled past. Then, he saw it: DOCS/LEGACY/OPERATORS/ICE_SERIES/.
His heart hammered against his ribs. He scrolled down.
ICE_680_MANUAL.PDF.
"Got you," he breathed.
He clicked the file. The download bar crawled across the screen. 28%... 54%... The file was massive for a PDF—over 200 megabytes. That meant scans. High-resolution scans of technical blueprints.
The file opened with a clunky, digital rendering of a paper document.
Supertester ICE 680-R | Operations & Safety Manual | Revision C
Elias leaned in, his coffee going cold on the desk. He scrolled past the liability waivers and the copyright warnings from the long-bankrupt manufacturer. He found Chapter 4: Manual Override Procedures.
The manual was a masterpiece of utilitarian design. It was dry, precise, and terrifying.
“CAUTION: The ICE 680-R utilizes a hydraulic ram pressure of 4,500 PSI. Failure to disengage the primary lockout bolt (indicated in Diagram 6A) before initiating the 'Crush Cycle' will result in catastrophic equipment failure and potential operator fatality.”
Elias frowned. He flipped back to Diagram 6A. It showed a small, recessed hex bolt on the back of the unit. He stood up, walked over to the tarp, and pulled it back. There, exactly where the PDF indicated, was the bolt. It was painted over with years of grime.
He returned to the screen. He needed to know the startup sequence. The machine had a series of toggle switches labeled in cryptic acronyms: SYS-T, HYD-A, P-REL.
He scrolled to page 42. The header read: Cold Start Sequence.
1. Ensure the reservoir is filled with Type-IV Synthetic Hydro-fluid. 2. Engage SYS-T to 'PRIME'. Listen for the 'whine' of the impeller. 3. Toggle HYD-A to 'STANDBY'. The 'WAIT' lamp will illuminate. 4. CRITICAL STEP: Hold the P-REL (Pressure Release) toggle for exactly three seconds. The gauge needle must settle in the green zone before releasing.
Elias read the note at the bottom of the page, highlighted in the original scan by a yellow marker.
Note: If the needle fluctuates, strike the side of the chassis firmly with an open palm. The sensor is prone to sticking in high humidity.
Elias laughed. It was a human touch in a machine world. Someone, forty years ago, had gotten frustrated and written that into the official documentation.
He followed the instructions. He poured the fluid (which had cost him a fortune to source). He flipped the switches. Click. Click.
The machine hummed. A deep, vibrating thrum that he felt in the soles of his feet. A row of amber lights flickered on the front panel. The large, circular gauge on the face twitched, the needle bouncing erratically.
Elias remembered the note. He smacked the side of the heavy metal casing with his palm. Thwack.
The needle dropped instantly into the green zone. A solid green light illuminated: READY.
For the next three hours, Elias didn't move from his chair. He wasn't just reading a manual; he was having a conversation with the engineers who had built this beast. The PDF contained notes not present in the digital text—handwritten annotations in the margins of the scanned pages.
On page 88, regarding the Load Cell Calibration, someone had scribbled in blue ink: “The manual says 15 minutes warm-up. Do 20. Trust me. – J.”
Elias waited 20 minutes.
When he finally engaged the testing probe, the machine didn't just beep. It sang. A symphony of clicks and hydraulic hisses, culminating in a perfect digital readout of the tension on the test cable he’d attached.
TENSION: 400 LBS. INTEGRITY: 100%.
Elias sat back, exhausted but exhilarated. The machine was alive. It was no longer a mystery. He looked at the PDF icon on his taskbar.
The "Supertester ICE 680-R Manual PDF" was just a file. A few megabytes of data. But in the quiet of the rainy night, it had bridged a gap of decades. It was a rescue line thrown from the past, pulling a piece of history back from the dead.
He reached over and bookmarked the page. "Thank you, J," he whispered to the empty room. wherever you are."
Then, he saved the PDF to three different hard drives. He wasn't going to let this story get lost again.
While the Supertester Ice 680 R is a discontinued gem, its manual is still attainable as a PDF with persistence. The manual is essential for safely leveraging the meter’s unique dual-display capabilities. Start your search on Amprobe’s support archive, then move to community-driven manual sites. With the correct manual, the Ice 680 R remains a highly capable and reliable test tool for precision electrical work.
Tip: If you have the exact model number "ICE 680 R" (often labeled on the front panel), include the word "Beha" or "Amprobe" in your search query to filter out irrelevant results.
The ICE Supertester 680 R is a classic analog multimeter manufactured by I.C.E. (Industria Costruzioni Elettromeccaniche). Various versions of the manual (ranging from Serie III to Serie VII) and technical guides are available as PDF downloads from several archival and specialized documentation sites. Manual PDF Downloads
You can access the full manual and technical schematics through these sources:
Operator's & Repair Manual: A comprehensive 39-page guide is available on ManualsLib, covering both basic operation and internal repair. Version-Specific Service Manuals: Serie VI: Available for download at Elektrotanya.
Serie VII: A 21-page digitized version can be found on Scribd.
Serie IV & V: High-quality scans and schematics are hosted by fracassi.net and fisgeo@unipg. Technical Specifications
The Supertester 680 R is noted for its precision and stability in magnetic fields. Key technical data includes: Manual ICE Supertester 680 R VII Serie (KronekeR) - Scribd
The 680 R requires two batteries:
Hofmann equipment is sold globally through partners. Depending on your region, the manual may be rebranded.
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.
The first three links were dead. The fourth led to a shadowy forum for refrigerator salvage operators, where a user named "FrostByte_99" had posted a single, untitled file. No comments. No upvotes. Just the PDF.
Leo downloaded it. The file was 847 pages long, but the first 600 were blank. Page 601 began:
"WARNING: The Supertester Ice 680 R does not measure temperature. It measures the regret of the machine that built it."
He snorted coffee. This had to be a prank. But the schematics on the next page were too precise—every capacitor, every anomalous copper trace matched the unit humming on his bench.
He skipped to the calibration section. Instead of zero-point instructions, it read:
Step 4: Insert probe into subject. Do not blink. The Ice 680 R records the cold that existed before the universe. If you see a number below -273.15°C, unplug the unit and apologize to it.
Leo laughed, but the lab was empty. The hum of the 680 R seemed to deepen. ICE Supertester 680 R is a classic Italian
He decided to test it on a beaker of liquid nitrogen. The display flickered: 77K. Normal. Then -142K. Then -∞.
The probe frosted over in a fractal pattern he'd only seen in cryogenic textbooks. The hum became a whisper: "You downloaded the manual. Now you own the warranty."
He slammed the power switch. Nothing. The display cycled to a final prompt: "SUPERTESTER ICE 680 R MANUAL PDF – PRINTED COPIES ONLY. DIGITAL VOIDS REALITY."
The beaker shattered. The liquid nitrogen didn't boil—it simply ceased to exist, leaving a perfect, silent hole in the air. Leo’s breath fogged, then stopped fogging. The cold wasn't moving through the room. It was moving through him.
He fumbled for the PDF on his laptop. The file had changed: now only one page remained. It read:
"Thank you for choosing Supertester. To uninstall, find the original paper manual. It is buried beneath the ice core lab in Vostok Station, Antarctica. You have 680 minutes."
Leo looked at the countdown now glowing on the 680 R’s screen: 679:59.
He didn't pack a coat. He just ran.
And somewhere, in a forgotten server rack, the PDF smiled—a metadata field no one had ever noticed, labeled "Regret Temperature: ∞ K."
Supertester Ice 680 R Manual Report
Introduction:
The Supertester Ice 680 R is a high-performance ice rink testing and maintenance device. This report provides an overview of the device's manual, highlighting its key features, operating instructions, and safety precautions.
Device Overview:
The Supertester Ice 680 R is designed for ice rink maintenance and testing. Its primary functions include:
Operating Instructions:
Safety Precautions:
Maintenance and Troubleshooting:
Conclusion:
The Supertester Ice 680 R is a valuable tool for ice rink maintenance and testing. By following the operating instructions, safety precautions, and maintenance guidelines outlined in this report, users can ensure safe and effective operation of the device.
Recommendations:
References:
Appendix:
ICE Supertester 680 R is a legendary Italian analog multimeter that has been in production with essentially the same design since the late 1960s. It is highly regarded by electronics hobbyists and professionals for its precision, featuring a unique 100° mirrored scale that helps eliminate parallax errors. Key Technical Specifications Sensitivity: DC and 4,000 ±1% on DC and ±2% on AC ranges. Measurement Ranges: Up to 1000V DC and 750V AC. Up to 5A AC/DC. Resistance: Includes a "LowOhm" test range from 0 to 500 Additional Tests: Diode, transistor, LED, and battery testing. Older versions (like the VI series) used a now-obsolete 3V 2R10 battery , while modern versions typically use a 9V battery Reviews & User Perspectives Reviewers from forums like and vintage tech collectors highlight the following: EEVblog #634 - Analog Multimeter Teardowns
Service manuals for audio equipment often contain the Supertester 680 R. “CAUTION: The ICE 680-R utilizes a hydraulic ram
elektrotanya.comICE 680 RThe analog display has multiple colored arcs.