GLL 3-80 / BOSCH
- Laser Diode: 630-650 nm < 10 mW
- Operating range: 30 m
- Working range with receiver: 120 m
- Maximum operating time: 4 h in 3-line mode
- Accuracy: ± 0.3 mm/m* (for 4 horizontal intersection points; **additional deviation depending on usage)
- Self-leveling range: ± 4°
- Power supply: 4 x 1.5V LR6 (AA)
- Weight: approximately 0.82 kg
- Laser color: Red
- Operating temperature: -10 – 40 °C
- Storage temperature: -20 – 70 °C
- Tripod mount: 1/4”, 5/8”

PD3129 / Hioki - Japan
- Voltage range: 3-phase 70 to 600V AC
- Clamp head diameter: 2.4mm to 17mm
- Positive phase detection: 4 LEDs light up clockwise and the speaker beeps intermittently
- Negative phase detection: 4 LEDs light up counterclockwise and the speaker sounds continuously

PD3129-10 / Hioki - Japan
- Voltage range: 3-phase 70 to 1000V AC
- Clamp head diameter: 7mm to 40mm
- Positive phase detection: 4 LEDs light up clockwise and the speaker beeps intermittently
- Negative phase detection: 4 LEDs light up counter-clockwise and the speaker sounds continuously