Máy kiểm soát đo và điều chỉnh pH Hanna HI 8710

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Máy kiểm soát đo và điều chỉnh pH Hanna HI 8710

HI 8710 Panel Mounted pH Analog Controller

Hãng sản xuất: HANNA

Xuất xứ: Romania

Model: HI 8710

Panel Mounted pH Analog Controller with Self-diagnostic test, range: 0.00 to 14.00 pH

Giá: Liên hệ 0977.459.400

thiết bị đo hanna
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

máy đo và điều chỉnh ph hanna
Main benefits

• Extended temperature compensation rangeL -20 to 100 °C
• Supports potential matching pin connection
• Auto-diagnostic tests for pH electrode and instrument status

Supplied with

• Mounting brackets
• Instructions

Máy kiểm soát đo và điều chỉnh pH Hanna HI 8710




Range
pH

-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 [sup]12[/sup] 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.)