QJ41 Electric Detonator Detector

QJ41 electric detonator detector is a portable pocket tester, suitable for detection of DC resistance of electric explosive network and electric detonator in mine lot, army and factories, with reading lighting device, suitable for night blasting operation.

Description

Application

QJ41 electric detonator detector is a portable pocket tester, which is suitable for detection of DC resistance of electric explosive network and electric detonator in mine lot, army and factories.

Main Technical Specification

  1. Power supply: 1.5V (D size dry cell 1pc)
  2. Maximum current from tester to detonator should not exceed 27mA (*)
  3. Operation ambient: field temperature -40~+50℃, relative humidity no more than 98%
  4. Dimension: 150(L)x96(W)x66(H) (mm)
  5. Weight: 1kg (approx.)
  6. Main technical specifications:
    Measuring rangeBasic error (%)Central calibrationError calculation method
    DetonatorI 0-3Ω±1.51.25ΩFull scale value
    II 3-9Ω5.5Ω
    Conductor wireIII 0-3kΩ±2.5100ΩScale length

*Maximum current not exceed 27mA refers to wrong operation. Under correct operation, current through detonator will not exceed following value:

Test I:     6mA

Test II:     7.1mA

Test III:    13.6mA

* The tester is with reading lighting device, suitable for night blasting operation.