pH Analog Controller with Self-diagnostic test
The HI 8710 is a panel mounted pH Controller with self diagnostic and test. The user can set: the setpoint for acid or alkaline dosage, the tolerance of the setpoint before an alarm is activated, the dosage mode: automatic, continuous in or OFF and the over dosage control by setting the overtime dosage knob.
Key features
Backlit LCD
Operational mode LED indicators
Transparent splash-proof cover
Fail Safe Function - the alarm relay is activated at power down
Main benefits
Extended temperature compensation
range -20 to 100 °C
Supports potential matching pin connection
Auto-diagnostic tests for pH electrode and instrument status
Supplied with
Mounting brackets Instructions
Range
-2.00 to 16.00 pH
Resolution
0.01 pH
Accuracy
±0.02 pH (0 to 100°C)
±0.05 pH (-20 to 0°C)
±0.5% (input transmitter)
Input
High impedance 10 12 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
1, isolated, 2 A, Max 240 V, resistive load, 1000000 strokes (not fuse protected)
Setpoint Range
-2.00 to 16.00 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
Consent Relay
1, isolated, 2 A, Max 240 V, resistive load, 1000000 strokes (not fuse protected)
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 or 230 Vac; 50/60 Hz
Enclosure
Black anodized aluminum body; front and back with ABS;
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.)
Hanna Instruments pH Analog Controller
#Grup produk P107658007
Spesifikasi
| Dosing Control | OFF/AUTO/ON with selection switch |
|---|---|
| Power Output (V) | ±5; 150mA max load for amplified electrodes |
| Panel Cut Out (mm) | 141x69 (5.6x2.7inch) |
| Input | High impedance 10 12 Ohm; Reference and Matching pin inputs are available; 4-20 mA |
| Enclosure | Black anodized aluminum body; front and back with ABS;;transparent splash-proof front cover |
| Recorder Output (mA) | 0-20 or 4-20 (isolated) |
| Accuracy (pH) | ±0.02 (0 to 100°C);±0.05 (-20 to 0°C);±0.5% (input transmitter) |
| Alarm Range | 0.2 to 3.00 pH |
| Alarm Relay | 1, isolated, 2 A, Max 240 V, resistive load, 1000000 strokes (not fuse protected) |
| Backlight | Continuous ON |
| Calibration | Offset: ±2 pH with OFFSET trimmer;;Slope: 80 to 110% with SLOPE trimmer |
| Consent Relay | 1, isolated, 2 A, Max 240 V, resistive load, 1000000 strokes (not fuse protected) |
| Over Dosing Control | Adjustable, from 5 min to 60 min with knob or Disable by wire strap - on rear panel |
| Power Supply (V) | 115 or 230AC; 50/60 Hz |
| Range pH | -2.00 to 16.00 pH |
| Resolution (pH) | 0.01 |
| Set Point Range (pH) | -2 to 16 |
| Set Point Relay | 1, isolated, 2 A, Max 240 V, resistive load, 1000000 strokes (not fuse protected) |
| Temperature Compensation | fixed or Automatic with Pt100, from -20 to 100°C (-4 to 212°F) |
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