Điểm nổi bật
Bộ điều khiển PH HANNA HI 8711 ( 2 ngõ ra điều khiển bơm a xít và bơm kiềm)
| 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
11916800
