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| PIE235 pH & Voltage Process Calibrator |
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- Technician friendly operation
- Calibrate with Confidence
- Source three ranges of mV & V dc plus percent of 1 to 5 volts
- Power your loops with over 1,000 Ohm loads
- Read DC volts
- Save time calibrating recorders and monitors in 4 to 20 mA loops
- Simulate pH probes into transmitters & analyzers
- Quickly set any three outputs plus automatic stepping & ramping
- Designed for you by experienced calibrator manufacturers
* Altek 334/Altek 334A 대체품
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Altek235(단종)의 대체모델
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제품사양 및 기술적 세부사항
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General
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Operating Temperature Range
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-20 to 60 °C (-5 to 140 °F)
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Storage Temperature Range
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-30 to 60 °C (-22 to 140 °F)
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Temperature effect
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≤ ± 0.005 %/°C of Full Scale
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Relative Humidity Range
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10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing
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10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing
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Common Mode Rejection
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50/60 Hz, 100 dB
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Normal Mode Rejection
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50/60 Hz, 50 dB
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Noise
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≤ ± ½ Least Significant Digit from 0.1 to 10 Hz
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Size
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5.63 x 3.00 x 1.60 in, 143 x 76 x 41mm (L x W x H)
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Weight
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12.1 ounces, 0.34 kg (including boot & batteries)
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Batteries
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Four “AA” Alkaline 1.5V (LR6)
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Battery Life
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Four “AA” Alkaline 1.5V (LR6)
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Low Battery
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Low battery indication with nominal 1 hour of
operation left
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Protection against
misconnection
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Over-voltage protection to 60 vrms (rated for 30
seconds). Red LED and audible alarm indicates
OVERLOAD for out of range conditions.
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Display
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High contrast graphic liquid crystal display with
0.35” (9 mm) high digits on main & 0.2” (5 mm) on
mA display. LED backlighting for use in low lit areas.
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Voltage Source
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Ranges and Resolution
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Accuracy
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-500.00 to 999.00 mV
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≤ ± (0.02 % of Reading + 0.01% of Full Scale)
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1.000 to 5.000 V
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≤ ± (0.02 % of Reading + 0.002 V)
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0.000 to 20.000 V
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≤ ± (0.02 % of Reading + 0.01% of Full Scale)
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-25.0 to 125.0% of 1 to 5 V
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≤ ± 0.1%
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Source Current
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≥ 20 mA
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Sink Current
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> 16 mA
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Output Impedance
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≤ 0.3 Ohm at ≤ 20 mA load
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Short Circuit Duration
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Infinite
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Voltage Read
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Ranges and Resolution
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Accuracy
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-500.00 to 999.00 mV
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≤ ± (0.02 % of Reading + 0.01% of Full Scale)
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1.000 to 5.000 V
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≤ ± (0.02 % of Reading + 0.002 V)
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0.000 to 20.000 V
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≤ ± (0.02 % of Reading + 0.01% of Full Scale)
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-25.0 to 125.0% of 1 to 5 V
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≤ ± 0.1%
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0.00 to 60.00 V
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≤ ± (0.02 % of Reading + 0.02 V)
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Input resistance
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≥ 1 MΩ
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pH Source
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Accuracy in mV
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≤ ± (0.02 % of Reading in mV + 0.1 mV)
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Accuracy in pH
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≤ ± 0.003 pH @ 25°C
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