Hanna Instruments HI 8521 - Manual (Page 7)

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instrument's power supply is disconnected before the meter is switched
off. Press the RESET button and restart the entire operation.
Power connection
Plug the 12VDC adapter (HI710005 or HI710006) into the DC socket
(#6).
Note: Make sure the main line is protected by a fuse.
Note: HI8417 uses a rechargeable battery to retain the pH calibra-
tion data. It lasts approximately one month when fully charged. The
battery is automatically charged any time the meter is plugged-in
(either turned on or off).
SPECIFICATIONS HI8417
Range pH 0.00 to 14.00
ISE 0.0 to ±399.9mV
ORP ±1999mV
°C -10.0 to 125.0
Resolution pH 0.01
ISE 0.1mV
ORP 0.1/1mV
°C 0.1
Accuracy pH ±0.01
(@ 20°C / 68°F)ISE ±0.2 mV
ORP ±1 mV
°C ±0.5
Typical EMC pH ±0.01
Deviation ISE/ORP ±0.2mV
°C ±0.7
Recorder pH 0 to 2 V
Output mV 0 to 2 V
Max. Current 20mA
Offset ±1 pH
Slope from 85% to 105%
Calibration Automatic 2 points with 5 memorized buffers
(pH 4.01, 6.86, 7.01, 9.18, 10.01)
Temperature Manual from 0 to 100°C (32 to 212°F)
Compensation Automatic from -10 to 125°C (14 to 257°F)
Electrode HI1131B glass body combination refillable
pH electrode (included)
Temp. Probe HI7669/2W Temperature Probe (included)
Input Impedance 10 12 ohm
Power Power socket for 12VDC
Environment 0 to 50°C (32 to 122°F);
95% RH (not condensing)
Dimensions 230Lx170Wx70H mm (9.1x6.7x2.7")
Shipping Weight 1.5 Kg (3.3 lb.)