HT122 / Habotest (TQ)
- Material: Durable ABS plastic case
- DC voltage: 4V / 40V / 400V / 600V
- AC voltage: 4V / 40V / 400V / 600V
- Resistance: 4000Ω / 40kΩ / 400kΩ / 4MΩ / 40MΩ
- Capacitance: 40nF / 400nF / 4uF / 40uF / 400uF / 4mF
- Frequency: 40Hz / 400Hz / 4kHz / 40kHz / 400kHz / 4MHz
- Display: 4000 counts
- Sampling rate: 3 times / second
- Dimensions: 18x5.8x4cm
- Weight: 77g

3481-20 / HIOKI
- Voltage range: 40V to 600VAC
- Frequency: 50/60Hz
- Display: red light when the wire is energized, beeping
- Battery check: bright white LED - dim when battery is low
- Auto power off after 3 minutes
- Power supply: LR44 ×3, continuous use for 5 hours
- Dimensions: 20×126×15 mm
- Weight: 30 g (including battery)

279HD / SEW - Taiwan
- Test voltage range: 80V ~ 11.4kV AC
- Frequency: 50Hz / 60Hz
- Insulation resistance: ≥100MΩ
- Dielectric strength: 20kV for 3 minutes between contact tip and clamp
- Leakage current: 0.12mA or less above dielectric strength
- Starting voltage (direct contact part): Low voltage: 65±15V ; High voltage: 1700±200V.
- Sound emission: 50dB or more (2m apart)
- Operating temperature: 0°C~40°C
- Structure: Waterproof, equivalent to IP65
- Weight (including battery): Approx. 176g
- Power: 1.5V (AAA) x 2
- Safety standard: EN 61326-1

279HD / SEW - Taiwan
- Test voltage range: 80V ~ 11.4kV AC
- Frequency: 50Hz / 60Hz
- Insulation resistance: ≥100MΩ
- Dielectric strength: 20kV for 3 minutes between contact tip and clamp
- Leakage current: 0.12mA or less above dielectric strength
- Starting voltage (direct contact part): Low voltage: 65±15V ; High voltage: 1700±200V.
- Sound emission: 50dB or more (2m apart)
- Operating temperature: 0°C~40°C
- Structure: Waterproof, equivalent to IP65
- Weight (including battery): Approx. 176g
- Power: 1.5V (AAA) x 2
- Safety standard: EN 61326-1

- Ingredients: (NH4)2HPO4, Surface active agent
- Fire extinguishing capacity: 2A 55B C
- Spray distance: ≥4m
- Effective spraying time: ≥13s
- Storage temperature: -10℃ ~ 60℃
- Fire extinguishing agent capacity: 4kg ±2%
- Total weight of cylinder: 5.7kg ±2%
- Cylinder shell material: Steel
- Height/diameter: 470/130 ± 2mm
- Working pressure: 12-15 bar
- Test pressure: 25 bar
- Minimum burst pressure: 55 bar
- Standard: TCVN 7026:2013
- Warranty: 18 months

- Ingredients: (NH4)2HPO4, PH(7-9), Surface active agent
- Fire extinguishing capacity: 4A 144B C
- Spray distance: ≥4m
- Effective spraying time: ≥13s
- Storage temperature: -10℃ ~ 60℃
- Fire extinguishing agent capacity: 8kg ±2%
- Total weight of cylinder: 10.8kg ±2%
- Cylinder shell material: Steel
- Height/diameter: 580/160 ± 2mm
- Working pressure: 12-15 bar
- Test pressure: 25 bar
- Minimum burst pressure: 55 bar
- Standard: TCVN 7026:2013
- Warranty: 18 months