Hasegawa Electric, Japan
Hasegawa Electric HT-670 Low Voltage Detector
Made in Japan
Manufacturer: Hasegawa Electric
Model: HT-670
Features
Sensitivity switch-over by slider switch depending on the detection(bare conductor / insulated conductor)
Option: Grounding wire [DF01027]
HT-670
Optional grounding wire used for
Voltage discrimination function(discrimination of 100V, 200V)Prevents unnecessary detection due to reverse induction voltage(Grounding wire should contact with grounded metal)
Specifications
HT-670
| Model | Without lead wire | With lead wire | |||
| Working voltage range | AC | S0~ 600V | |||
| DC | |||||
| Freque ncy | 50/ 60Hz | ||||
| Operation starting voltage ( Voltage to ground) | Coated wire (Sheathed wire) | AC | 40V with insulated wire( N .2mm, 2),( intermittent operation) | ||
| DC | – | ||||
| Bare wire | 30± lSV(continuous operation) | ||||
| AC DC | |||||
| (At connection | AC | – | 100V LED light | 30V±20V(continuous operation) | |
| DC | 200V LED light | 140V ± 30V( continuous operation) | |||
| Battery | LR44(1. SV) x 2pcs | ||||
| Battery life | About l year with normal use | ||||
| Weight | about 26g(except lead wire) | ||||
Dimension
Electric HT-670
How To Use HT-670
How to make contact with the detector
To detect voltage correctly, make contact with the side of the tip to ensure a large contact area. If not, capacitance decreases and operating sensitivity becomes low.
Voltage detection for shield cable is not possible.
The voltage detector does not work because of the electrical shielding layer which is grounded.
Sensitivity adjustment
Sensitivity adjustment can be made when it is required for some reasons such as below.
①Detection is not possible over the outer surface of the insulated cable.
②It is required to reduce the influence of induced voltage of the area etc.
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