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Industrial Thermocouple Handheld Calibrator

CL940

High Accuracy Handheld Temperature Calibrator for all Thermocouple Types | CL940
New

USD1,145.00 CL940A

CE
  • Handheld Thermocouple Calibrator with ±5 µV accuracy
  • Resolution: 0.01°
  • 10x Battery Life
  • Simultaneous Source / Measure
  • MIL-STD Durability
  • Easy One Hand Operation
  • Calibration Report Included
  • Meets SAE AMS 2750E requirements as a secondary standard instrument
  • Made in USA
Precision Calibration Equipment and Ice Point References - View related products

Description

The OMEGA CL940 series thermocouple calibrator simulate, measure and record thermocouple. It Surpasses any device in the market the competition in the lab and on the factory floor with ±0.003% (Rdg) ±5 µV accuracy and in ambient temperatures from 18 to 28°C (64 to 82°F).

This powerful handheld calibrator/meter allows the user to calibrate in the field as well as in the lab and offers many additional functions that translate into cost-effectiveness, improved efficiency, and long-lasting adaptability and dependability. OMEGA has rethought temperature calibrators to offer you the performance you need today without complicating your work. The new 940 Series provides laboratory grade calibrations in a highly portable package that goes to the work-site with ease. Industries that measure temperature are being pushed to achieve better results for both quality and product safety. OMEGA has responded by designing an instrument that leads its class in terms of accuracy, battery life, convenience and ease of use.

When you endeavor out into the field or plant to perform service work, you need a durable tool that you can count on. OMEGA has over 40 years of experience building handheld instruments for challenging environments. That’s why we designed the 940 series to meet MIL-PRF-28800F for shock, drop and vibration tests. The keypad is a sealed design that rejects fluids and dirt without compromising tactile feedback. No matter how valuable the tool is, it is useless with dead batteries. We gave the 940 Series extraordinary 10X battery life of its competitors with 3 AA batteries so that you aren’t disappointed in the field.

More rigorous calibration requirements drive the need for better tools. Tighter process controls and quality standards mean your old calibrator doesn’t measure up anymore. OMEGA has designed the most accurate calibrator in a portable package. While it is tough to recreate the temperature controlled atmosphere that a lab provides, you can use a device that delivers laboratory grade precision with clear specifications that let you determine the exact level of field performance you do achieve. OMEGA’s new 940 Series calibrators compensate for the ambient temperature. It will allow you to perform calibrations with confidence in diverse conditions.

A competent instrument can often imply intricacy. OMEGA engineers appreciated the simplicity and designed the 940 Series to be easier to use. Our goal was to make the operator productive when they first picked up the instrument. With one key, the user can perform a 10% / 90% calibration without understanding the manual. Another key increment 0%/25%/50%/75%/100% for rapid 5 point checks. Setting any specific temperature is equally comfortable as are step and ramp modes.

Like all OMEGA products, the 940 Series calibrators are designed, assembled and tested in the United States. OMEGA backs this durable instrument with a standard 2–year warranty to assure you that your investment is sound


Specifications

Source / Measure Accuracy

±0.003% (Rdg) ±5 µV

18 to 28 °C

Resolution

1 µV, 0.01°C UP TO 999.99°C AND 0.1°C ≥ 1000°C

Cold Junction Error

±0.15°C

Range

-15mV – 85mV

Display

5-DIGIT AUTO-RESOLUTION (0.1/0.01) WITH BACKLIGHT AND FUNCTION ANNUNCIATORS

Two (2) rows of Five (5) digit LCD with separate minus sign, decimal indicators, with offset, thermocouple types KJTEBNRSGCDPLU, battery, source, read, temperature units, voltage units, percent, trend, PRST (0-19), MIN, MAX, AVG, RNG, STDEV, Transfer, symbols: Fast Ramp, Slow Ramp, Step, Bluetooth

Connector Type

Mini-TC

Temperature Units

°C, °F, mV

Probe Zero Function

Resolution 0.1 °C/°F

Reading Rate

3/sec. for Readings and TREND indicators

Battery Type

3 AA (IEC LR6, ANSI 15) Alkaline

Battery Life

500 Hours

Battery Indicator

Four (4) Stage Battery Charge Indicator

Statistics

Min, Max, Avg, Rng, and Std Dev

Auto Off

20 minute no key pressed Auto Off. Feature can be disabled

Power Cycle Configuration Retention

Instrument retains: Sensor Type, Temperature Unit

Offset Values, Presets, Statistics, Open Lead detection status, 0%/100% span settings, and operating mode

Internal Preset Storage

20 Preset user-determined storage registers, 0-19

Input Current

±50 nA maximum

Maximum Common Mode Voltage

42 V peak to earth

1 V p-p between T1 and T2

Low Resistance Load

Less than 5μV change in output with a 100KΩ resistance

Operating Environment:

Temperature

-20 to 55 °C

-4 to 131 °F

Humidity

5 to 95%, 10 to 30 °C

Altitude

0 to 4600 m

0 to 15,092 ft.

Vibration

Random 10-500 Hz, 0.03 g2/Hz

Shock

30g Half Sine

Drop

4 drops from 1 m to concrete

Compliance, Electrical

CE, MIL-PRF-28800F Class 2

Compliance, Substances

RoHS 2 Directive 2011/65/EU Compliant, REACH

Dimensions

193 X 84 X 28 mm

7.6 X 3.3 X 1.1 in.

Weight

362.9 g

12.8 oz

Warranty

3-year Parts & Workmanship

Calibration Guarantee

2 year

Included Accessories

3 AA Batteries, Quick Start Guide, Tilt Stand/Magnetic, Calibration Report

Optional Accessories

1.             CL-300-CABLE-K-2      CABLE FOR CALIBRATOR Thermocouple Type K,  2 feet long

2.             CL-300-CABLE-J-2      CABLE FOR CALIBRATOR Thermocouple Type J,  2 feet long

3.             CL-300-CABLE-E-2      CABLE FOR CALIBRATOR Thermocouple Type E,  2 feet long

4.              CL-300-CABLE-T-2      CABLE FOR CALIBRATOR Thermocouple Type T,  2 feet long




CL940A/CL945A Source / Measure Accuracy* over range of 18 to 28°C (64.4 to 82.4°F) | CJC error included

 

TC Type

°C Range

°C

TC Type

°C Range

°C

J

-200 to -160

±0.7 to ± 0.5

E

-240 to -150

±1.2 to ±0.4

-160 to -110

±0.4

-150 to -100

±0.4

-110 to 10

±0.3

-100 to 20

±0.3

10 to 1200

±0.2

20 to 1000

±0.2

K

-230 to -160

±1.2 to ±0.6

T

-260 to -190

±2.6 to ±0.7

-160 to -90

±0.5 to ± 0.4

-190 to -120

±0.6 to ± 0.5

-90 to 380

±0.3

-120 to -70

±0.4

380 to 665

±0.2

-70 to 80

±0.3

665 to 1372

±0.3

80 to 400

±0.2

* See Graphs in Manual for Detailed Accuracies



CL945A Source / Measure Accuracy* over range of 18 to 28°C (64.4 to 82.4°F) | CJC error included

 

TC Type

°C Range

°C

TC Type

°C Range

°C

N

-230 to -150

±1.6 to ±0.7

U
T-DIN

-200 to -75

±0.8 to ±0.5

-150 to -50

±0.5

-75 to 0

±0.4

-50 to 215

±0.3

0 to 385

±0.3

215 to 1300

±0.2

385 to 600

±0.2

R

-15 to 100

±1.2 to ±0.8

B

310 to 595

±1.8 to ±1.0

100 to 240

±0.7

595 to 830

±0.9

240 to 495

±0.6

830 to 965

±0.7

495 to 1768

±0.5

965 to 1820

±0.6

S

-20 to 75

±1.2 to ±0.9

G

100 to 240

±1.0 to ±0.6

75 to 150

±0.8

240 to 310

±0.5

150 to 285

±0.7

310 to 460

±0.4

285 to 1768

±0.6

460 to 2315

±0.3

C

0 to 60

±0.5

D

0 to 100

±0.6 to ±0.5

60 to 2200

±0.4

100 to 230

±0.4

2200 to 2315

±0.5

230 to 2315

±0.3

L
J-DIN

-200 to -90

±0.6 to ±0.4

P

0 to 1395

±0.3

-100 to -40

±0.4

-40 to 655

±0.3

655 to 665

±0.4

665 to 900

±0.3

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