| Specifications 
 Display: 5-digit LCD custom indicators for calibration type, unitshold, recall, store, operating mode, bal, loaded memory locations(up to 10)Keypad: Momentary switches with tactile feedback, selectpower, thermocouple type, units, resolution, hold, store/recall,stop/clear, operating mode
 Configuration Retention: selected operating mode,thermocouple type, units, resolution and memory contentsretained on power off
 Diagnostics: low battery, open input, invalid keypad entry,out of range, internal hardware fault
 Accuracy: see ordering matrix for details
 Ambient Temperature: 0 to 50°C (32 to 122°F), 0 to 90% RH
 Reading Rate: 1 per second
 Input Current: 50 nA typical(meter mode)
 Output Load: 100 ohms, min. (calibrator mode)
 Max. Common Mode Voltage: 42 V peak to earth ground
 Power: 9 Vdc battery, alkaline, included
 Battery Life: 16 hrs alkaline
 Dimensions: 178 H x 74 W x 28 mm D (7.0 x 2.9 x 1.1")
 Weight: 340 g (12 oz)
 
 |  |  | CL20 Series Temperature Measurement and Calibration Range | Input Type
 | Range | Resolution |  | K | 200 to 1371°C | -328 to 2502°F | 0.1° |  | J | -210 to 760°C | -346 to 1400°F | 0.1° |  | T | -200 to 399°C | -328 to 752°F | 0.1° |  | E | -230 to 999°C | -382 to 1832°F | 0.1° |  | N | 200 to 1299°C | -328 to 2372°F | 0.1° |  | B | 499 to 1815°C | 932 to 3308°F | 0.1° |  | R | 0 to 1768°C | 32 to 3214°F | 0.1° |  | S | 0 to 1768°C | 32 to 3214°F | 0.1° |  | G | 299 to 2315°C | 572 to 4201°F | 0.1° |  | C | 0 to 2315°C | 32 to 4201°F | 0.1° |  | D | 0 to 2315°C | 32 to 4201°F | 0.1° |  | RTD | -200 to 849°C | -328 to 1562°F | 0.1° |  | Series 400 Thermistor
 2252Ohm
 | -40 to 150°C | -40 to 302°F | 0.1° | 
 
 CL26 and CL27 Resistance Measurement
 and Calibration Outputs
 	| Ohms Range | Resolution | Models |  | 0-100Ω | 0.01Ω | CL26 & CL27 |  | 0-1000Ω | 0.1Ω | CL27 |  | 0-100,000Ω | 1.0Ω | CL26 |  |