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ITEM MNEMONIC DISPLAY LIMITS FACTORY SETTINGS USER SETTINGS
PROGRAM LEVEL (Sections 8.0 - 8.9).
A. Output Range (Section 8.3) OutPut
1. 4 mA Output 0 - 14 pH 0.00 pH _______
2. 20 mA Output: 0 - 14 pH 14.00 pH _______
3. Hold HOLd 3.80 to 22.00 mA 21.00mA _______
4. Dampening dPn 0 to 255 seconds 0 seconds _______
5. Fault Current Output Setting FAULt 3.80 to 22.00 mA 22.00mA _______
B. Diagnostic (Section 8.4) dIAgnOStIC
1. Reference Cell Offset (Standardize error) rOFFSt 0 to 1000 mV 60 mV (pH on _______
glass electrode)
2. Diagnostics Function dIAg On/Off Off _______
3. Glass Impedance Temperature Correction IMPtC On/Off On _______
4. Glass Electrode High Impedance Fault GFH 0 to 2000 megohms 1500 megohms _______
5. Glass Electrode High Impedance Warning GWH 0 to 2000 megohms 1000 megohms _______
6. Glass Electrode Low Impedance Warning GWL 0 to 900 megohms 20 megohms _______
7. Glass Electrode Low Impedance Fault GFL 0 to 900 megohms 10 megohms _______
8. Glass Impedance Calibration Warning CAL 0 to 500 % 0 % (not Active) _______
9. Reference Cell Impedance Type rEF LO/HI LO _______
10. Reference Cell High Impedance Fault rFH 0 to 2000 megohms (HI) 1500 megohms _______
0 to 2000 kilohms (LO) 140 kilohms
11. Reference Cell High Impedance Warning rWH 0 to 2000 megohms (HI) 1000 megohms _______
0 to 2000 kilohms (LO) 40 kilohms
12. Reference Cell Low Impedance Warning rWL 0 to 900 megohms (HI) 20 megohms _______
Does not apply for low impedance reference cell
13. Reference Cell Low Impedance Fault rFL 0 to 900 megohms (HI) 10 megohms _______
Does not apply for low impedance reference cell
C. Temperature (Section 8.5) tEMP
1. Auto Temperature Compensation tAUtO On/Off On _______
2. Manual Temperature tMAn -15 to 130
0
C 25
0
C _______
5 to 266
0
F
3. Temperature Sensor Type tC 100-3; 100-4; 1000-3; 100-3 _______
1000-4: 3000
D. Display (Section 8.6) dISPLAY
1. Measurement type tYPE pH/ORP pH _______
2. Temperature Units tEMP °C/°F °C _______
3. Output Units OUtPUt mA/% of full scale mA _______
4. Code COdE 0 to 999 000 _______
E. Buffer (Section 8.7) bUFFEr
1. Auto Calibration Function b AUtO ON/OFF ON _______
2. Buffers Selection List bUFFEr See Tables 8-2 and 8-3 Standard _______
3. Auto Buffer Stabilization Time tIME 0 to 30 seconds 10 seconds _______
4. Auto Stabilization pH Change PH .002 to .5pH .02 pH _______
F. Isopotential (Section 8.8) ISOPOtntAL
1. Temperature Coefficient tCOEF -0.044 to 0.028 pH/
0
C 0.000 pH/
0
C _______
2. Solution Isopotential pH ISO -1.35 to 20.12 pH 7.00 pH _______
3. Sensor Isopotential pH Snr 0.00 to 14.00 pH 7.00 pH _______
G. Output Simulation (Section 8.9) SIMOUtPUt
Test tESt 3.80 to 22 mA 12.00 mA _______
TABLE 8-1. pH Settings List
MODEL 3081 pH/ORP SECTION 8.0
PROGRAMMING FOR pH MEASUREMENTS