Bộ điều khiển PH HANNA HI 8711
Range | 0.00 to 14.00 pH | |
Resolution | 0.01 pH | |
Accuracy @ 20 °C |
±0.02 pH (0 to 100 °C) ±0.05 pH (-20 to 0 °C) ±0.5% (input from transmitter) |
|
Input | high impedance 1012 Ohm; reference and matching pin inputs are available; 4-20 mA | |
Power Output | ±5 Vcc; 150 mA max load for amplified electrodes | |
Calibration | offset: ±2 pH with OFFSET trimmer slope: 80 to 110% with SLOPE trimmer |
|
Temperature Compensation |
fixed or automatic with Pt100, from -20 to 100°C (-4 to 212°F) | |
Recorder Output | 0-20 mA or 4-20 mA (isolated) | |
Setpoint Relay | 2, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected) | |
Setpoint Range | alk. set: from 0.00 to 14.00 pH acid set: from 0.00 to 14.00 pH |
|
Alarm Relay | 1, isolated, 2 A, max 240 V, resistive load, 1000000 strokes (not fuse protected) | |
Alarm Range | 0.2 to 3.00 pH | |
Dosing Control | OFF/AUTO/ON with selection switch | |
Over Dosing Control | adjustable, from 5 min to 60 min with knob or disable by wire strap - on rear panel | |
Backlight | continuous on | |
Power Supply | 115 VAC ±10% or 230 VAC ±10%; 50/60 Hz | |
Enclosure | flame retardant ABS body and front panel; transparent splash-proof front cover | |
Environment | -10 to 50°C (14 to 122°F); RH max 95% non-condensing | |
Panel Cutout | 141 x 69 mm (5.6 x 2.7") | |
Weight | 1 kg (2.2 lb.) |
Dùng kèm điện cực: HI 6100805
Hãng sản xuất Hanna - Italia
Xuất xứ: Rumani