1066 | Instruction Sheet |
July 2013 | |
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Input: One isolated sensor input. Measurement choices of pH/ORP, resistivity/conductivity/TDS, % concentration, total and free chlorine, monochloramine, dissolved oxy- gen, dissolved ozone, and temperature. For contacting conductivity measurements, temperature element can be a PT1000 RTD or a PT100 RTD. Other measurements (except ORP) and use PT100 or PT1000 RTDs or a 22k NTC (D.O. only).
Power & Load Requirements: Supply voltage at the transmitter terminals should be at least 12.7Vdc. Power supply voltage should cover the voltage drop on the cable plus the external load resistor required for HART commu- nications (250 Ω minimum). Minimum power supply volt- age is 12.7Vdc. Maximum power supply voltage is 42.4
Vdc (30 Vdc for intrinsically safe operation). The graph shows the supply voltage required to maintain 12 Vdc (upper line) and 30 Vdc (lower line) at the transmitter ter- minals when the current is 22 mA.
Analog Outputs:
Weight/Shipping Weight: 2 lbs/3 lbs (1 kg/1.5 kg)
| 1500 |
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| 1364 |
| 1250 |
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ohms | 1000 |
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750 |
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Load, |
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| with HART | 545 | ||
| 500 |
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| communication | ohms | |
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| 250 |
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| communication |
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| 0 | 18 | 24 | 30 | 36 | 42 |
| 12 | |||||
Power supply voltage, Vdc
HART option
FIGURE 1. Load/Power Supply Requirements | FIGURE 2. Power |
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