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Calibrator for Thermocouple and RTDs (PT100)
CL543B
PLACE ORDER - Calibrate Thermocouple Instruments to 0.1 and 0.01, °F and °C
Types J, K, T, E, R, S, B, N, G, C, D, L (J-DIN), (T-DIN) and P (Platinel): -13.000 to 80.000 mV - Calibrate RTD Instruments to 0.1 and 0.01, °F and °C
Pt 10, 50, 100, 200, 500 and 1000O (3850)
Pt 100O (alpha = 3902, 3916, 3926)
Cu 10 and 50O and Ni 120O - Calibrate with Confidence
Resolution to 0.01, °F and °C; Accurate to 0.2°
Cold Junction Sensor Accurate to 0.05°C
NIST Traceable Cold Junction Sensor in Isothermal Block - Troubleshoot RTD Sensors and Instruments
Automatic Detection of 2-, 3- or 4-Wire Connections Indicates When Individual Wire Connections are Open
Verify Proper Instrument Operation by Measuring the Excitation Current - Fast Easy Calibrations
Instantly Select 3 Outputs with the EZ-CHECK Switch
Easily Find Trip Points with 2 Speed EZ-DIAL Knob and Automatic Stepping - Verify Resistance, Cold Junction Temperature and Output
Secondary Display of Resistance for RTDs and Compensated millivolt Setting, and Cold Junction Temperature for Thermocouple - Use in the Plant, Field or Shop
Includes Rubber Boot and mV Test Leads
Low Profile Switches Resist Accidental Damage
Brass Screws for Thermocouple Wires Plus Miniature Thermocouple Socket - Perform Heat Treating Surveys and Accuracy Tests
Meets or Exceeds the Requirement of AMS 2750 as Both a Secondary Standard Instrument and as a Field Test Instrument - NIST Cert (No Points)
Description
Description
THERMOCOUPLE CONNECTIONS
Simulating or readingthermocouples requiresthe use of thermocoupleor extension gradethermocouple wire.Plug thermocouple wires intothe miniature thermocouplejack or place barethermocouple wiresonto the brass block underthe screws.
The CL543B has two bananajacks (1+ and 2-) mounted inthe top end of the housing.These are not temperaturecompensated and are to beused only for millivolt signals.
RTD CONNECTIONS
Simulating or reading RTDsuses copper wire. Plug 2-, 3- or4-wires into the correspondingjacks on the calibrator. For RTDsource the CL543B simulates the(+) RTD from jacks 1 and 4 andthe (-) RTD from jacks 2 and 3.When reading an RTD sensorthe CL543B uses patentedcircuitry to automatically detectsif 2-, 3- or 4-wires are connected.This is helpful to troubleshootsensor connections.
Specifications
Operating Temperature Range:-20 to 60°C (-5 to 140°F)
Storage Temperature Range:-30 to 60°C (-22 to 140°F)
Temperature Effect: ≤±25 ppm/°C ofrange
Cold Junction Sensor: ≤±0.01% °/°from ambient temperature (°C or °F)
Relative Humidity Range:
10% ≤RH ≤90% (0 to 35°C), non-condensing
10% ≤RH ≤70% (35 to 60°C), non-condensing
Normal Mode Rejection: 50/60 Hz, 50 dB
Common Mode Rejection: 50/60 Hz, 120 dB
Dimensions: 143 L x 76 W x 41 mmH (5.63 x 3 x 1.60")
Weight: 0.34 kg (12.1 oz) with bootand batteries
Batteries: Four “AA” alkaline 1.5V(LR6) (included), optional NiMhrechargeable battery kit [120 Vac(North America only); charger,4 NiMh batteries, AC and DC cords
Battery Life: 50 hours, low batteryindication with nominal 1 hour ofoperation left
Over-Voltage Protection: Up to60 vrms (rated for 30 seconds),protection against misconnection
Alerts: Red LED displaysOVERLOAD or out of range conditions
Display: High contrast graphic liquidcrystal display, LED backlighting foruse in low lit areas
Voltage Source
Ranges and Resolution:-13.000 to 80.000 mV and -13.0000to 80.0000 mV
Accuracy: ±(0.008% of setting +0.006 mV)
Source Current: ≥10 mA
Output Impedance: <0.3Ω
RMS Noise: ≤±0.0005 mV from0.1 to 10 Hz
Short Circuit Duration: InfiniteVoltage Read
Ranges and Resolution:-13.000 to 80.000 mV and -13.0000to 80.0000 mV
Accuracy: ±(0.008% of reading +0.006 mV)
Input resistance: ≥10 MΩThermocouple Source
Accuracy: ±(0.008% of setting +0.006 mV)
Cold Junction Compensation:±0.05°C (±0.09°F); thermistortraceable to NIST for 11 years
Output Impedance: <0.3Ω
Source Current: >10 mA (drives80 mV into 10Ω)
RMS Noise: ≤±0.0005 mV from0.1 to 10 Hz
Thermocouple Read
Accuracy: ±(0.008% of reading +0.006 mV)
Cold Junction Compensation:±0.09°F (±0.05°C); thermistortraceable to NIST for 11 years
Input Impedance: >10 MΩ
Open Thermocouple Threshold:10,000Ω nominal
Pulse: <10 microamp pulse for300 milliseconds
RTD and O Source
3- and 4-Wire Accuracy:
From 1 to 10.2 mA ExternalExcitation Current: ±(0.015% of setting + 0.05Ω)
Below 1 mA of External Excitation Current:Add (0.025 mV/mA excitationcurrent)
2-Wire Accuracy: Add 0.1Ω to 3-wireand 4-wire accuracy
Resistance Ranges:
400Ω Range: 0.00 to 401.00 and0.000 to 401.000
4000Ω Range: 0.0 to 4010.0 and0.00 to 4010.00
RMS Noise:
400Ω Range: ≤±0.005Ω from0.1 to 10 Hz
4000Ω Range: ≤±0.05Ω from0.1 to 10 Hz
Allowable Excitation Current Range:
400Ω Range: 10.2 mA max; steadyor pulsed/intermittent
4000Ω Range: 1 mA max; steadyor pulsed/intermittent
Pulsed Excitation CurrentCompatibility: DC to 0.01 secondpulse width, 0.025 mV, mA excitationcurrent
RTD and Ohms Read
Resistance Ranges:
400Ω Range: 0.00 to 401.00 and0.000 to 401.000
4000Ω Range: 0.0 to 4010.0 and0.00 to 4010.00
Accuracy: ±(0.015% of reading +0.05Ω)
Excitation Current: 0.9 mA to 401Ω,0.4 mA to 4010Ω (nominal) Anemometer | Automation | Accelerometers | Calibrator | Cartridge Heaters | Chart Recorders | Cryogenics | Custom Pressure Transducers | Data Loggers | Data Acquisition | Dial Thermometers | Fiber Optics | Fiber Optic Temperature Measurement | Flexible Heaters | Flow Meters | Glass Bulb Thermometers | Grippers | Heaters | Humidity Measurement | Integrated Circuit Sensors | Immersion Heaters | Infrared Thermometers | Level Measurement | Load Cells | M12 Temperature Connectors | Magnetic Flow Meter | Panel Meter | PID Controllers | pH meter | Pressure Gauges | Pressure Transducers | Pressure Transmitters | Rotameters | RTD | Remote Process Monitoring | Sanitary Sensors | Signal Conditioners | Stepper Motors | Strain Gages | Strip Heaters | Temperature Controllers | Temperature Labels | Temperature Measurement | Temperature Sensor Manufacturing | Temperature Sensors | Temperature Transmitters | Thermal Imagers | Thermistors | Thermocouple | Thermocouple Wire | Thermowell | Ultrasonic Flow Meters | Vortex Flow Meter | Wireless Sensors
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