8031 / Kyoritsu - Japan
- Operating voltage: 110 - 600V AC
- Continuous time: >500V : Within 5 Minutes
- Response frequency: 50Hz/60Hz

GD-HT9100B / China
- Voltage range: 0.1kV～220kV（3kV-6.3kV-10kV-35kV-66kV-110kV-220kV）
- LCD display: 47mm x 28.5mm, with backlight
- Audible alarm and double red flash
- Display speed: 2 times/second
- Auto power off: After 15 minutes of non-use
- Clamp diameter: φ60mm (1800B)
- Dimensions: Receiver: 78×165×42mm; Detector: 300×237×85mm
- Insulation pole: Maximum diameter Ø38mm; Length: 1050mm (retracted), 4500mm (extended)
- Weight: 5.6kg (including insulating pole and accessories)

2001A / Kyoritsu
- DC V measurement range: 340.0mV / 3.400 / 34.00 / 340.0 / 600V
- AC V measurement range: 3.400 / 34.00 / 340.0 / 600V
- DC A measurement range: 100.0A ±2%rdg±5dgt
- AC A measurement range: 100.0A ±2%rdg±5dgt (50/60Hz)
- Ω measurement: 340.0Ω / 3.400 / 34.00 / 340.0kΩ / 3.400 / 34.00MΩ
- Power supply: R03 (AAA) (1.5V) × 2
- Dimensions: 128(L) × 92(W) × 27(D)mm
- Weight: 220g
Standard: IEC 61010-1 CAT III 300V, CAT II 600V; IEC 61010-031, IEC 61010-2-032, IEC 61326-1, EN 50581 (RoHS)