Key facts
- Manuals
- 2
- Languages
- EN · JA
- Last added
- 2026-10-03
Featured Iwatsu manuals
Iwatsu Enterprise-CS Technical Manual
This Technical Manual covers the Iwatsu Enterprise‑CS system, a distributed‑control, multi‑microprocessor telephone platform. It includes system architecture, hardware specifications, FCC registration requirements, safety advisories, and detailed programming instructions.
Key sections describe the universal port system, highway controller, media bridge unit, special notices such as toll restriction and DISA, and guidance for enhanced 911 support. The document also provides FCC registration details, Ringer Equivalence Number limits, and troubleshooting procedures for authorized service personnel.
Covers: Introduction · Special Notices · System Specifications · System Architecture · Universal Port System · Highway Controller
Iwatsu VOAC7413 Digital Multimeter Datasheet
The VOAC7413 is Iwatsu's high‑performance digital multimeter featuring a 40999‑count A/D converter, fast 100 samples/s FAST mode, true‑RMS capability, and a wide dynamic range for voltage, current, resistance and temperature measurements. It supports auto‑range, averaging, and various optional modules such as printer, GP‑IB, BCD output, D/A converter, battery and voice units.
Key specifications include a full‑scale of 40999 counts, input impedance of about 2 MΩ with <100 pF capacitance, maximum continuous voltage of 1100 V DC, and high resolution (DCV 1 µV, ACV 10 V, resistance 1 mΩ, current 10 nA). Accuracy is CMR ≥ 110 dB, NMR ≥ 55 dB, and temperature coefficient OC‑18 °C/28 °C‑50 °C. This manual is written in Japanese.
Covers: Features · Fast Auto‑Range · High‑Resolution Measurement · True RMS Measurement · Optional Units · Accuracy and Noise
Latest Iwatsu manuals
Iwatsu Enterprise-CS Technical Manual
User Manual 2000 pages · 34.4 MB · ENThe manual provides specifications, installation, programming, safety and FCC compliance information for the Iwatsu Enterprise‑CS telephone system.
Iwatsu VOAC7413 Digital Multimeter Datasheet
Datasheet 2 pages · 55 KB · JAThe Iwatsu VOAC7413 digital multimeter datasheet lists its measurement ranges, accuracy, sample rate, and optional accessories.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in Iwatsu manuals
What is the maximum Ringer Equivalence Number (REN) allowed for the system?
The system can normally use a maximum REN of 5.0 without causing faulty operation.
How many ports can the Enterprise‑CS system support?
It can be expanded to support up to 1,024 non‑blocking ports.
What is the maximum sample rate of the VOAC7413?
The multimeter can sample at about 100 times per second in FAST mode.
Does the VOAC7413 support true RMS measurement?
Yes, it provides true RMS measurement for both AC and DC signals.