TeeJet LH 1200S - Manual (Page 27)

LH 1200S O PERATORS MANUAL
LH A GRO 27
TECHNICAL DATA
Operation: Dust proof membrane keypad with 20 keys.
Display: 4-digit, illuminated LCD-display.
Cabinet: Black anodised aluminium profile.
General data: Single chip microprocessor.
Automatic storage of encoded and registered values.
Unlimited memory without battery backup.
Inputs: Power supply:
12 Volt protected against polarisation.
Sensor inputs:
3. internal 10 kOhm pull-up to supply voltage (12V).
Pulse level LO < 0.9 V.
Pulse level HI > 5.0 V.
Fmax. Through noise filter (at 50% duty cycle and 12 V
supply voltage).
Wheel and implement sensors: 200Hz.
Flowmeter/volume sensor: 400Hz.
Working voltage: 10.8 – 16.0 Volt DC.
Error warning at 9.7 Volt DC (typical).
Power
consumption:
300 mA.
Fuse: 5 x 20 mm 0,63 A.