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Help CenterGeological Instrument----JJZ-1A Four-pen Automatic Logging Instrument
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Purpose:
JJZ-1A Four-pen Automatic Logging Instrument is suitable to used in coal field, metal, hydrology drilling and other global physical logging. The Recorder may be used separately, too matched with other devices to record all kinds of curve. The recorder includes Four-pen Recorder, power supply and control parts, depth indicator, pulley on mouth of well and so on.
Main technical index:
Ⅰ. Recording part
1. basic error of recorder:±1%
2. available record width:250 mm
3. time of all produce: ≤1 s
4. power supply：AC 220 V±10 % 50 Hz
5. consumption power: 50 W
6. winch speed: not more than 1000 m/h
7. dimension: 550×390×200 mm
Ⅱ. Power supply and control parts
1. detection range: (while remote adjust down to zero,), error is <±1%, the range is divided into ten grades, the voltage constant is from 0.5 mV/cm ～ 500 mV/cm, the full scale is from 12.5 mV ～ 12500 mV, input impedance is from 5 kΩ ～ 5 MΩ.
2.power supply down the well: regulator and switch, the switch is adjustable from 10～45 Hz.
Ⅲ. Depth indicator parts
1. the pulse signal out of photoelectricity dial, one for recorder paper running, one for displaying well depth.
2. Digit display range:0.01 M～999.99M, reversible counter with knob of zero.
3. magnetic signal is available while the winch speed is within 120 m/h～2000 m/h, and record depth signal in recording paper, at the same time to touch the buzzer for monitoring.
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