PIECAL Automated Thermocouple Calibrator

With the PIECAL 422 you can check and calibrate all your thermocouple instruments and measure thermocouple sensors.

Features

• Easy to use: Check and calibrate all your thermocouple instruments and measure thermocouple sensors
• Source and Read Fourteen T/C Types plus mV
• Carry it without worry: Comes protected with a rubber boot and rugged, low profile switches.
• Calibrate directly in temperature (°C &°F)
• Fast calibration with automatic output stepping
• Compatible with ALL process instruments
• Trouble shoot sensor connections and find broken wires or corroded connections
• Calibration Lab Accurate & Stable
• Perform Heat Treating Uniformity Surveys and System Accuracy Tests

Specifications

• Accuracy: ±(0.008% of Reading + 0.006 mV)
• Cold Junction Compensation: ±0.09°F (±0.05°C) - Thermistor traceable to NIST for 11 years
• Millivolt Range: -13.000 to 80.000 mV
• Operating Temperature Range: -25 to 60°C (-10 to 140°F)
• Temperature Effect: ≤ ±50 ppm/°C; Cold Junction Sensor ≤ ±25 ppm/°C
• Relative Humidity Range: 10 % ≤RH ≤90 % (0 to 35°C), Non-condensing; 10 % ≤RH≤ 70 % (35 to 60°C), Non-condensing
• Size: 5.63 x 3.00 x 1.60"
• Weight: 12.1 ounces (including boot & batteries)
• Batteries: Four "AA" Alkaline 1.5V (LR6)
• Battery: Life 50 Hours
• Optional NiMh Rechargeable battery kit: 120 VAC for North America Only; charger, four NiMh batteries, AC & DC cords [Part # 020-0103]
• Low Battery: Indication with nominal 1 hour of life left
• Protection against misconnection: Over-voltage protection to 60 V dc (rated for 30 seconds)
• Display: High contrast graphic backlight LCD
• Input Impedance: > 10 Megohms
• Open Thermocouple Threshold: 10,000 Ohms nominal
• Open Thermocouple Pulse: < 10 microamp pulse for 300 milliseconds
• Normal Mode Rejection: 50/60 Hz, 50 dB
• Common Mode Rejection: 50/60 Hz, 120 dB
• Output Impedance: < 0.3 Ohms
• Source Current: > 20 mA (drives 80 mV into 10 Ohms)
• Noise: ≤ 4 microvolts p-p for frequencies of 10 Hz or below