geomagnetic field and normal gradient of geomagnetic field （horizontal gradient component of geomagnetic field or vertical gradient component of geomagnetic field, need special sonde and support）.
applicable in field survey or base station measurement.
it has internal clock, store the data and the time together, measure and store at a fixed time.
Large display, Chinese interface, show magnetic curve automatically, easily operation
backlight LCD screen, can be used at night.
personal keyboard, can be used by both hands.
automatically or manually tuned.
potable, all system use gallus, one person can accomplish all task.
geologic software for mapping isoclines and section.
Measurement range: 20000nT~100000nT
Measurement precision: 1nT
Allowed gradient: 5000Nt /m
Data stored: 100,000, out-power protection
LCD screen: 240x128
Keyboard: 22 keys
Interface：RS-232C standard serial port
power: outside rechargeable batteries, 12V/2.3Ah, also power outside
Bulk of mainframe: 230mmx155mmx65mm
Weight of mainframe: 2.5kg(include batteries)
Bulk of sonde: Ψ75mmx155mm
Weight of sonde: 0.8kg
Working temperature: -10℃~+50℃
pole for measurement 1
rechargeable batteries 2
adhesive tape 1
line connecting sonde 1
sonde clamp 1
commmunicate cable 1
USB-serial port cable 1
no magnetic screwdriver 1
software and operation handbook 1
standby bolt for cap of sonde (M4x16) 3
standby bolt for sonde clamp cable (M3x12) 2
standby bolt for sonde line (M4x7) 3
standby bolt (M2x6) 6