Intended use Overview of APT4000PH The APT4000PH is used for pH/mV, ORP, and temperature measurement in industry, environment, food processing and sewage treatment. The rugged molded enclosure can be fixed into a control panel or mounted on a wall or at a post. The protective hood provides...
Assembly Package contents Mounting plan Check the shipment for transport damage and completeness. The package should contain: • Front unit of APT4000PH • Lower case • Bag containing small parts • Instruction manual • Specific test report Cable gland (3 pieces) Breakthroughs for cable gland or conduit 1/2”,...
All dimensions in mm. Pipe-mount plate (1 piece) For vertical or horizontal posts or pipes Fig. 5: 51205990-001 panel-mount kit Self-tapping screws (4 pieces) Fig. 3: 51205988-001 pipe-mount kit Fig. 4: 51205989-001 protective hood for wall and pipe mounting APT4000PH...
Fig. 7: Information on installation, rear side of analyzer Division 2 wiring The connections to the analyzer are incendive and must be installed in accordance with the National Electric Code (ANSI-NFPA 70) Division 2 hazardous Fig. 6: Terminal assignments APT4000PH (classified) location incendive wiring techniques. APT4000PH...
Typical wirings pH Example 2: Example 1: pH measurement with monitoring of glass electrode pH measurement with monitoring of glass electrode and reference electrode Sensor connections Sensor connections APT4000PH APT4000PH Reference electrode Temperature Combination Temperature Glass probe probe electrode electrode...
Typical wirings Example 4: Example 3: pH measurement with DURAFET II electrode pH measurement with MEREDIAN electrode Sensor connections Sensor connections APT4000PH APT4000PH rd/bk wt/bk core wt/bk Do not connect: orange Must use cap adapter cable APT4000PH...
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ORP wirings Example 5: Example 6: ORP measurement without monitoring of ORP measurement with monitoring of reference electrode reference electrode Sensor connections Sensor connections APT4000PH APT4000PH Temperature Temperature probe probe APT4000PH...
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Resistor, e.g. 8 Ohms/1 W at 24 V / 0.3 A Contact Incandescent lamp, max 60 W / 230 V, 30 W / 115 V Contact Warning! Make sure that the maximum ratings of the relay contacts are not exceeded even during switching! APT4000PH...
Start GainCheck device self-test: Start GainCheck device self-test Automatic device self-test The automatic device self-test checks the memory and meas- ured-value transfer. It runs automatically in the background at fixed intervals. APT4000PH...
Power supply If the calibration or configuration mode is exited, the 12...24 V AC/DC APT4000PH remains in the Hold mode for safety reasons. Hold This prevents undesirable reactions of the connected peripher- als due to incorrect configuration or calibration. The measured value and “Hold”...
Pressing ENTER opens a menu item. The values are edited using the (End with CONF ENTER.) arrow keys. Pressing ENTER confirms/stores the settings. Return to measurement: Press CONF. Hold During configuration the APT4000PH remains in the Hold mode for reasons of safety. The Select menu group Menu group Code Display...
000.0 ... 999.9 h ( 000.0 h ) EASYCLN Cleaning interval Select calibration mode -04-BUF / MAN / DAT 000.0 ... 999.9 h (000.0 h) Calibration interval Enter cal timer interval 0000 ... 9999 h (0000 h) ON / OFF Lock cleaning / calibration interval APT4000PH...
After correct input a wel- press ENTER to confirm.) come text (ConF) is dis- Enter current beginning played for approx. 3 s The APT4000PH is in Hold mode Enter current end (Hold icon is on). Set output filter Select measured variable pH/ORP...
Current beginning and current end Example 1: Range pH 0 to 14 Example 2: Range pH 5 to 7 Advantage: Higher resolution in range of interest [pH] [pH] End: Output current Output current Press CONF, then ENTER [mA] [mA] APT4000PH...
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If the time constant is set to 0 s, the current output follows the input. Note: The filter only acts on the current output, not on the display, the limit values, or the controller! Time constant 0 to 120 s End: Press CONF, then ENTER APT4000PH...
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Select with key, edit number with key, proceed with ENTER Output signal for Hold: Output current Output signal Hold Output signal HOLD [mA] Setting FIX = 21.0 mA Setting LAST End: Press CONF, then ENTER Hold active Hold active APT4000PH...
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Process temperature: Current beginning and current end Example 1: Range 0 to 100 °C Example 2: Range 50 to 70 °C. Advantage: Higher resolution in range of interest [°C] Process temperature Process temperature [°C] End: Output current Press CONF, then ENTER [mA] [mA] APT4000PH...
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If the time constant is set to 0 s (default), the current output fol- lows the input. Note: The filter only acts on the current output, not on the display! Time constant 0 to 120 s End: Press CONF, then ENTER APT4000PH...
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Select with key, edit number with key, proceed with ENTER Output signal during Hold: Output current Output signal Hold Output signal Hold [mA] Setting FIX = 21.0 mA Setting LAST End: Press CONF, then ENTER Hold active Hold active APT4000PH...
ENTER For pH measurement only: 00.00 Enter temperature compensation of process medium (-19.99 Select position with key, to 19.99 End: edit number with key, %/K) proceed with ENTER Press CONF, then ENTER APT4000PH...
(0000 to the analyzer is to be calibrated. 9999 h) With a time interval of 0000 hrs the calibration timer is not active. Select position with key, edit number with key, proceed with ENTER End: Press CONF, then ENTER APT4000PH...
Error messages can also be signaled by a 22 mA output current (see Pg 39, 45, 86). The operating behavior of the alarm contact is shown on Pg 90. The alarm delay acts on the LED, the 22 mA signal and the alarm contact. APT4000PH...
ENTER XXXX mV) 0010 SEC Limit 1 delay 0 to The contact is activated with delay (deactivated without delay) 9999 SEC) Select with key, edit number with key, proceed with ENTER End: Press CONF, then ENTER APT4000PH...
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0 to 9999 SEC) delay (deactivated without delay) Select with key, edit number with key, proceed with ENTER Limit Lo Limit Hi Signal Signal Hysteresis + Switching Switching point point Hysteresis - End: Contact Contact Press CONF, then ENTER APT4000PH...
ENTER 0060 PFC: Pulse frequency /min Select with key, edit number with (0001 to 0180 /min) key, proceed with ENTER Y LAST Behavior during Hold End: Select with key, (Y Off) Press CONF, then ENTER proceed with ENTER APT4000PH...
Control of: interval* • Rinsing probe (rinse) (EASYCLN) • Calibration probe (EasyClean) EASYCLN: On: The APT4000PH only starts a Select with see opposite cleaning (calibration) interval if the Proceed with ENTER page measured value lies within the toler- ated range (Limit Lo/Limit Hi).
Fill in your configuration data on the following pages. Select with key, edit number with key, proceed with ENTER If an invalid code is entered, the APT4000PH returns to measuring mode. Code. Parameter Default setting Code. Parameter Default setting Welcome display o1.
When using DURAFET electrodes, you must adjust the zero point first. Then you can conduct either a one or a two-point calibration. Hold During calibration the APT4000PH remains in the Hold mode for rea- Caution sons of safety. Output current is •...
Remark Display Action Remark Press CAL key, At the end of the adjustment pro- These is not the final APT4000PH is in the enter code 1001 cedure asymmetry potential [mV] electrode value! Hold mode. Select with key, (based on 25 °C) of the electrode...
Select with key, entered, the buffer solution and rinse them thoroughly. edit number with key, APT4000PH returns proceed with ENTER to measuring mode. For one-point • One-point calibration: calibration only: End with CAL. Analyzer in Hold...
Press CAL key, If an invalid code is buffer solution and rinse them enter code 1100 entered, the thoroughly. Select with key, APT4000PH returns edit number with key, to measuring mode. • One-point calibration: For one-point proceed with ENTER End with CAL.
Asymmetry potential proceed with ENTER ZERO = 7 - S [mV / pH] Slope The APT4000PH displays the new slope and asymmetry potential (at 25 °C). Proceed with ENTER. Security prompt. pH value and Hold are displayed alternately.
The sample value is then entered in the APT4000PH. From the difference between the stored measured value and entered sample value, the APT4000PH calculates the new...
(Press CAL). entered, the tial specified for the calibration solution is determined. During Enter mode code 1100 APT4000PH returns measurement, the APT4000PH then adds this difference to the Select with key, edit number to measuring mode. with key, proceed with ENTER.
2 in the secondary display. edit number with key, APT4000PH returns to After 5 sec the APT4000PH returns to measuring mode. proceed with ENTER measuring mode. Display of calibration data (Cal Info) Press CAL while in measuring mode and enter code 0000.
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The actually measured current is shown in the secondary The function is used to start up control loops or check the display. The APT4000PH is in Hold mode. actuators. Controller Press ENTER to return to measurement (Hold remains...
Pulse length Operation with automatic cleaning system Pulse frequency controller (PFC) The APT4000PH allows connection of an automatic cleaning The pulse frequency controller is used to operate a frequency- system. The cleaning cycle is activated according to the clean- controlled actuator. It varies the frequency with which the con- ing interval defined during configuration (Pg 59).
• Slope error, Sensoface active, see Pg 92 case of a complete defect. The analyz- er must be repaired and recalibrated • Response time exceeded, Sensoface active, see Pg 92 at the factory. • Cal interval expired, Sensoface active, see Pg 92 APT4000PH...
• Electrode used has different nominal slope Problems during recognition of the buffer solution • Same or similar buffer solution was used for both calibration steps • Buffer solution used does not belong to buffer set currently configured in the analyzer APT4000PH...
(CAL) 1100 Sensor monitor Temp adjustment (CONF) 2222 (CAL) 1015 Current source 1 (CONF) 5555 Current source 2 (CONF) 5556 Relay test (CONF) 5557 Manual controller (CONF) 5559 Rinsing function Hold input active Explanation: as configured (LAST/Fix or LAST/Off) APT4000PH...
Err 33 and Err 34, Page 87). Note The worsening of a Sensoface criterion leads to the devaluation of the Sensoface indicator (Smiley becomes “sad”). An improvement of the Sensoface indicator can only take place after calibration or removal of an electrode defect. APT4000PH...
Specifications pH/mV input Input for pH or ORP electrodes or DURAFET II Devices Order No. Measurement range -1500 to +1500 mV pH/ORP Analyzer APT4000PH Display range pH value -2.00 to 16.00 -1999 to +1999 mV Mounting accessories Pipe-mount kit 51205988-001...
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Alarm delay 0000 to 0600 s of process medium (reference temp 25 °C) Hold input Galv. separated (OPTO coupler) Function Switches analyzer to Hold mode Switching voltage 0 to 2 V (AC/DC) inactive 10 to 30 V (AC/DC) active APT4000PH...
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DC< 30 V / < 3 A / < 90 W Contact response N/C or N/O Rinsing interval 000.0 to 999.9 h (000.0 h = cleaning function switched off) Cleaning time 0000 to 1999 s Calibration interval 000.0 to 999.9 h Cleaning interval 000.0 to 999.9 h APT4000PH...
You can also start the GainCheck manually. Then a display test is Combination of glass and reference elec- also conducted and the software version Combination trode in one body. displayed. electrode APT4000PH...
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Response time Time from the start of a calibration step to the stabilization of the electrode potential. Sensocheck Sensocheck continuously monitors the glass and reference electrodes. The resulting information is indicated by the Sensoface smileys. Sensocheck can be switched off. APT4000PH...
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..... .14 Zero adjustment ....... . 66 APT4000PH...
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Mode codes The mode codes allow fast access to the functions. Calibration Key + Code Description Cal Info 0000 Display of asymmetry potential and slope Zero adjustment 1001 of a nominal zero point Calibration 1100 Adjustment of asymmetry potential and slope (electrode) Product calibration 1105 Adjustment of asymmetry potential (product...