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General Measurement Input pH and temperature, with plug-in external sensor Removable for remote location pH Range: 0 to 12.0 pH Accuracy: ▒0.1 pH Sensor: Solid State Response Time: 30 seconds for 90% of change Display Resolution: 1 pH Temperature Range: 0 to 100 ░C Accuracy: ▒2░C Sensor: 1000 ohms RTD Display Resolution: 1░C Display Types: 2 1/2 digit LCD, 0.5ö high; low battery and parameter indication Display Modes User-switchable between ░C and pH for continuous display; max/min storage for both temperature and pH Electronics Type: Microprocessor-controlled. HI & LO Peak Hold for both temperature and pH; re-initializes position at every chart change (every time door is opened) Chart Paper Type: 8 inch (200mm) circular, double-sided, with linear radial divisions; 1, 7 and 32 day Chart Drive Type: Stepper Motor Ranges: 1, 7, 32 day; switchable Accuracy: 1% of rotation Chart Paper Hold Down: Magnetic hub lock Recording Pens Type: Disposable fiber-tip; red for pH, blue for temperature Pen Drive Type: Motorized linear screw drive Deadband: 1░C, 0.1 pH Zero: Automatic zero during chart change or power interruption Pen Arms: Clear plastic to allow full chart viewing Pen Lift: Automatic upon door opening; pens are door mounted and lift away from the chart whenever the door opens. Alarms Alarms User-selectable for high or low temperature and pH Audible Alarm Integral piezo-electric beeper Alarm Relay Contacts 2A 110Vac, 2A 30Vdc, Normally Open, Single Pole, Single Throw (SPST) Operating Conditions (Recorder) Temperature: 32░ to 120░F (0░ to 49░C) Humidity: 0% to 90% RH, non-condensing Operating Conditions (Remote Sensor) Temperature: 0░ to 80░C pH: 0 to 12 pH Power (Recorder) DC: Four (4) ôDö size alkaline batteries; greater than 1 month continuous operation in 32 day mode; bulbs will not light on battery power. Recommended battery type: Duracell Type MN1300 ôDö size batteries for best performance at low temperatures. AC: 110Vac or 220Vac 50/60 Hz stepped down to nominal 9Vdc using ac adaptor provided Power Requirements 300 mA ônormalö during pen movement for battery (dc power); 500 mA ônormalö during pen movement for ac power using ac adaptor. (Note: The light bulbs draw 200 mA of current). AC Power Jack: 8.3 to 12.4 Vdc, (nominal 9Vdc) 1A max. Voltage: An ac adaptor is supplied Mechanical Dimensions: 13 3/16" x 10 11/16" x 2 5/8" (H x W x D): (33.5 x 27.1 x 6.7 cm) Weight: Approx. 7 lbs, including alkaline batteries Mounting: ôKeyholeö slots for wall mounting; foot cover for benchtop use Case: Rugged ABS plastic, color: gray or white Miscellaneous Swing-out stabilizing arm for bench top use, decorative foot cover for wall mounting, and 6 ft remote sensor cable for remote sensing. |
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