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-200 to 1800°C Precision Thermometer microK g Ratio Accuracy to
Performance by Design - More Advantages In making ratio measurements other benefits by design include:- • Zero Hysteresis There is no hysteresis effect by design • Zero Channel to Channel Variation Even with a microsKanner, as the channel expander duplicates the front end of the microK for each input rather than just being a switch box • Zero Temperature Coefficient Temperature Coefficient is 0ppm/°C, another benefit of the substitution technique. No need for warm up or stabilisation periods. • Complete Line Frequency Rejection Total rejection of 50 and 60Hz line frequency Thermocouple Measurements When used with an external 0°C cold junction reference unit (or by measuring the junction temperature with a PRT on another channel) the microK can be used for low uncertainty precision thermocouple measurements. The microK is designed for ALL the thermometer types used in a laboratory including Standard Thermocouples. The voltage uncertainty is 0.25µV, equivalent to 0.01°C for a Platinum / Gold thermocouple at 1000°C. Keep Warm Currents The microK includes keep-warm current sources to maintain the power in a PRT when it is not being measured, eliminating uncertainty resulting from power coefficients. Each channel, whether on the microK or a microsKanner can be individually programmed. Zero Current Resistance The microK was the first Bridge to have the ability to automatically compute and display the zero current resistance with no manual correction, this feature is available on the microK 70 and 125 models. Low Noise The new ADC, together with the low noise pre-amplifiers used in the microK, means you achieve a lower measurement uncertainty in a shorter time. Parallel Processing Technology The microK 70 and 125 incorporate additional technology (compared to the micro 250 and 500) to deliver superior performance for the Primary Laboratory. A new technique of Analogue Parallel Processing is used to lower noise to a level that previously could only be achieved by the best AC Bridges. These models also feature an Ethernet port ADC The microK realises its superior linearity and low noise through a number of novel approaches, including a new noise reduction technique, new solid state switching, new guarding arrangements and a sophisticated substitution topology to achieve zero drift. Learn more Download the 12 page brochure at www.isotech.co.uk/microk microK with microsKanner SOLUTIONS FOR PRIMARY & SECONDARY LABORATORIES | 43
Page 1 and 2: 1 üThe Source for Calibration Prof
Page 3 and 4: Contents Metrology Instruments.....
Page 5 and 6: Introduction [continued] microsKann
Page 7 and 8: Isotech’s unique KT Water Triple
Page 9 and 10: 0.01°C Maintenance Bath Water Trip
Page 11 and 12: 29.7646°C Sostmann - Isotech Galli
Page 13 and 14: 29.7646°C Apparatus Gallium g Simp
Page 15 and 16: -36 to -42°C Apparatus Mercury Tri
Page 17 and 18: UKAS Calibration Service for SPRTs
Page 19 and 20: Available Types Sealed Cells Open C
Page 21 and 22: Furnace Selection Guide Isotech off
Page 23 and 24: Method of operation The cell is mel
Page 25 and 26: 50 to 700°C Furnaces Medium Temper
Page 27 and 28: Amb. to 1000°C Furnaces Annealing
Page 29 and 30: -200 to 670°C Primary SPRT 670 Fam
Page 31 and 32: SPRT Calibration with ITS-90 Fixed
Page 33 and 34: Isotech Note Why choose 0.25Ω for
Page 35 and 36: SPRT Calibration with ITS-90 Fixed
Page 37 and 38: 0 to 1500°C Thermocouple Standards
Page 39 and 40: 0 to 1000°C Thermocouple Standards
Page 41: Resistors To enable the smallest of
Page 45 and 46: -200 to 1800°C Channel Expander mi
Page 47 and 48: The TTI-22 continually compares the
Page 49 and 50: Reliable Like the award winning mic
Page 51 and 52: Selector Switch 8 Way g Eight Chann
Page 53 and 54: Dew point to 40°C Resistor Mainten
Page 55 and 56: PROVISIONAL DATA Resistance Bridge
Page 57 and 58: Types of Equipment Cryogenic A Liqu
Page 59 and 60: -185 to -196°C Boiling Point Appar
Page 61 and 62: -80 to -180°C Cryostat Model 459 g
Page 63 and 64: METAL BLOCK INSERTS Standard Insert
Page 65 and 66: For customers who require lower tem
Page 67 and 68: -80 to 300°C Stirred Liquid Baths
Page 69 and 70: Accesories - Refer to ‘Liquid Sel
Page 71 and 72: SET / RESET POWER CONTROLLER OVER-T
Page 73 and 74: 0°C Stirred Ice / Water Bath 813 g
Page 75 and 76: Liquid Selection Guide When selecti
Page 77 and 78: 875/02 875/07 875/03 875/08 875/09A
Page 79 and 80: Blackbody Option Thermocouple Calib
Page 81 and 82: Equipment The ITS-90 Cell needs equ
Page 83 and 84: Perfect Audit Item As an audit item
Page 85 and 86: GET INFO For more information about
Page 87 and 88: Available Types Additional Model Ce
Page 89 and 90: Slim Gallium Cell EUROPA-6 Heat Up
Page 91 and 92: Type B-12 Water Triple Point Cell O
Page 93 and 94:
510 Metal Block Insert 510-06-01 St
Page 95 and 96:
POTTS Ease of Use Using the metal c
Page 97 and 98:
Calibration Software Icarus g Calcu
Page 99 and 100:
Easy Calibration Software I-Cal Eas
Page 101 and 102:
Calibration Services Isotech’s UK
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Solutions for Primary & Secondary Laboratories

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