Omega 26, 27, 25, 24 instruction

KEYPAD: 12 momentary switches with tactile feedback select;

•On/Off

•Change/Enter

•Clear/–0

•Sensor Select/1

•°F/°C/2

•Resolution/3

•Operate/4

•Store/5

•Recall/6

•Calibrator/Meter/Up Ramp/7

•Calibrator Step/Down Ramp/8

•Calibrator Ramp/Meter Hold/9

DISPLAY: 5 digit LCD, 0.4" height, and decimal point. Annunciators;

•Loaded Memory Locations (10 for data storage, 4 for ramp parameters)

•Low Battery (BAT)

•Number Change Mode (NUM)

•Calibrator Mode (CALIB)

•Meter Mode (METER)

•Operate Mode (OPR)

•Store Mode (STO)

•Recall Mode (RCL)

•Meter Hold (HOLD)

•Scale (°F/°C)

•Sensor Type

POWER OFF CONFIGURATION RETENTION: Instrument retains last selected;

•Sensor Type

•°F/°C Scale

•0.1°/1° Resolution

•Calibrator/Meter Mode

•Memory Contents (data storage and ramp parameters).

DIAGNOSTICS: Display codes indicate following conditions;

•'BAT': Low Battery

•'OPEN': Open Input Thermocouple, RTD or Thermistor.

•'E-1' (momentary): Invalid Keypad Entry

•'E-2' (momentary): Ramp Function Not Installed

•'HI': Temperature Reading or Keypad Entry Exceeds Rating

•'LO': Temperature Reading or Keypad Entry Too Low For Accuracy

•LCD Test: During power-up, all segments and annunciators enabled momentarily

ENVIRONMENTAL LIMITS FOR OPERATING: 0°C to 50°C, less than 90% relative humidity (R.H.) up to 35°C; reduce R.H. limit by 3%/°C from 35°C to 50°C.

ENVIRONMENTAL LIMITS FOR STORAGE: –35°C to 60°C, less than 95% relative humidity (R.H.) up to 35°C; reduce R.H. limit by 3%/°C from 35°C to 60°C.

POWER: 9 volt alkaline battery (NEDA 1604A).