Description
Sanwa MG1000 Digital Insulation Tester
The Sanwa MG1000 is a rugged, handheld digital insulation resistance tester designed to assess the integrity of insulation in electrical power lines and equipment up to 600 V (CAT III). Housed in a compact, IP54-rated enclosure, it combines a large backlit LCD with a 4 200‑count display and logarithmic bargraph to deliver clear, analog‑style readings. Auto‐range selection and automatic discharge ensure safe, reliable measurements, while a live‑circuit detection function inhibits tests if the circuit exceeds 30 V AC/DC.
Powered by six LR6 alkaline cells, the unit offers approximately 300 measurements per charge and enters power‑save mode after ten minutes of inactivity to conserve battery life. Built to meet IEC 61010‑1/61557 and IEC 61326 EMC standards, the MG1000 features audible and visual alarms for continuity and overload protection, as well as zero‑ohm adjustment for low‑Ω checks. Its ergonomic design, complete with a test‐lead storage compartment and wrist strap hook, makes it well‑suited for field technicians and maintenance personnel.
Delivered with test leads (TL‑112a), a strap (ST‑50), and an instruction manual, the MG1000 provides a versatile and safe solution for insulation testing in a variety of industrial and commercial environments.
Features:
- Safety design compliant with IEC 61010‑1.
- Automatic live‑circuit detection (≥ 30 V AC/DC).
- Large backlit LCD with log‑bargraph for analog‑style indication.
- Automatic data‑hold function for stable readings.
- Auto discharge circuitry to safely bleed off residual voltage.
- 40 Ω continuity check with short‑circuit current ≥ 200 mA.
APPLICATIONS:
This instrument is a DC insulation resistance tester to measure
the insulation resistance of a power line and power equipment
within the range of 600 V under CAT III.
●Test voltage DC1000V/500V/250V
●Bargraph just like analog meter
●Short circuit current up to 2mA
●Large display with backlight
●Auto discharge function
●Data hold(Auto)
●Auto power save: Power save about 10 minutes after the last operation
Specifications:
| Parameter | Value |
|---|---|
| Measuring method: | Average sensing |
| Display: | 4 200‑count LCD with log bargraph |
| Range selection: | Auto range |
| Sampling rate: | 2 times/sec |
| Operating temperature/humidity: | 0 ℃ to 40 ℃, ≤ 85 % RH (no condensation) |
| Storage temperature/humidity: | −10 ℃ to 50 ℃, ≤ 70 % RH (no condensation) |
| Power consumption: | 7 mA (V range) |
| Battery: | LR6 × 6 ( 300 tests) |
| Safety standards: | IEC 61010‑1 CAT.III 600 V, IEC 61557‑1/2/4, IEC 61326 EMC |
| Ingress protection: | IP54 |
| Dimensions (H×W×D): | 170 × 142 × 57 mm |
| Mass (with batteries): | 600 g |
| Standard accessories included: | Test lead (TL‑112a), Strap (ST‑50), Instruction manual |
Applications:
- Insulation resistance measurement of power lines.
- Insulation resistance measurement of power equipment within 600 V under CAT III.
Package Contents:
- 1x Test lead (TL‑112a)
- 1x Strap (ST‑50)
- 1x Instruction manual
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