Guildline's NEW 3210 Series of Thermometry Auto-Switch with Pre-Heat automates temperature measurements including fixed points and thermometer calibrations. Up to eight PRTs or other temperature devices can be connected with individually programmable DC currents from 20 µA to 150 mA. PRODUCT FEATURES Connect up to 8 PRT’s/SPRT’s at One Time Supports Non-SPRT Probes or Devices With Currents Other Than 1 mA Programmable Pre-Heat Currents From 20 µA to 150 mA Pre-Heat Available and Set-able on an Individual Channel Basis Ideal for Use with Fixed Points and Comparison Furnaces 5 Way Front Panel Connectors Allow Easy For Banana Connectors and Spade Lugs Multiple Interfaces Can be Integrated Front Panel Operator Connection with Touch Screen Control...

GUILDLINE INSTRUMENTS 5030 SERIES are precision air baths providing uniform constant temperature over a range of operating environments. To improve measurements and reduce the uncertainty contribution from temperature effects, these high quality Precision Air Baths are an excellent alternative or supplement to traditional oil baths and laboratory environmental control. PRODUCT FEATURES Excellent Temperature Stability, Better Than 0.015 ˚C over 24 Hours Only Precision Air Bath that Includes a Separate PRT to Report the True Temperature from Anywhere Inside the Bath Chamber Temperature Range 15 ˚C to 50 ˚C Cooling Capacity up to 6 ˚C Below Ambient Dual Fan - Forced Air Circulation Ensures Uniform Temperature Large Volume Enclosure – Over 82 Liters Enclosure is Fully EMI Shielded Convenient Front Access Door; Side Access Hole for Cables and Probes Perfect for Checking Temperature Coefficients of Precision Air Resistors 5032 Fully Programmable Via the IEEE-488.2 or RS 232 Standard Interfaces...

Guildline Instruments 5600 SERIES is the latest in high precision fluid/oil baths providing uniform fluid temperature over a range from -5 °C to 55 °C. This Series of Fluid Baths is designed for both metrology and oceanographic applications and can be used with oil, water, salt water, or other liquids. PRODUCT FEATURES NEW Guildline Design and Metrology Based Features Full Automation Via Windows 10 Laptop Computer (USB, IEEE) Excellent Temperature Stability Low As: ±0.0015 K with Oil ±0.001 K with Water Fluid Temperature Range -5 °C to 55 °C Designed for use with Oil, Salt Water, Water, and other Fluids Customer Choice of 4 Tank Sizes: 50 L, 75 L, 100 L and Now - NEW 300 L Model Fiberglass Tank with Proprietary EMI Shielding Convenient Access with Removable Tank Cover Excellent Control via a PRT Sensor 2nd Probe Included to Report Actual Temperature Anywhere in the Bath Automatic and Programmable Over and Under Temperature Protection...

GUILDLINE Instruments 6530 TeraOhm Bridge-Meter Series is the latest innovation in High Resistance and Ultra-High Resistance Measurements. These Bridge-Meters incorporate the latest technology for high resistance measurements providing Metrologists with measurement results superior to that of commercially available Dual Source Bridges. PRODUCT FEATURES Bridge Mode and Direct Measurement Mode of Operation Resistance Range 100 kΩ to Over 10 PΩ Bridge Mode Multi-Ratios up to 1000:1 Test Voltages 1 to 1000 Volt Optional DC Current Measurement Range 10 μA to 100 fA Existing 6520’s can be Upgraded to any of the four NEW 6530 Models Automatic Ranging for Resistance, Integration Time and Threshold Voltage Better Performance & More Functionality than Commercially Available Dual Source Bridges Surface and Volume Resistivity Measurements with 65221 Test Fixture Environmental Monitoring with 65220 Sensors Logging, Graphical Display and Analysis of Measurements Sofcal™ for On-Board Intelligence and Front Panel Calibration Automation of Multiple Measurements with NEW Guildline 6564 Resistance Scanner TeraCal™ Data Acquisition Software Automates Operation SCPI compliant IEEE-488.2 and RS232C Built-In as Standard Rear Input Option...

THE 6535 RESISTANCE MEASUREMENT SYSTEM IS THE MOST TECHNOLOGICALLY ADVANCED, HIGHLY MODULAR AND EASIEST TO USE HIGH RESISTANCE SYSTEM AVAILABLE ON THE MARKET TODAY PRODUCT FEATURES Two Modes of Operation, Bridge Mode and Direct Measurement Standard Base Resistance Measurement from 1MΩ to 100 TΩ eXpanded Resistance Measurement Range from 100 kΩ to 20 PΩ eXpanded Performance (and Range) @ 8 ppm for 1 MΩ to 1 GΩ & < 50 ppm for 10 GΩ to 1 TΩ Highly Controlled Temperature Environment Ensures Reliable Measurements Transfers Traceability of Primary Standards from NMI’s or Other Sources Multi-Ratios up to 1000:1 in Bridge Mode Test Voltages from 1 to 1000 Volts Optional Current Mode to measure currents from 10-2 to 10-13 A Scanner Capabilities to 1000V and 64 Channels Automated procedures for Calibrating High Resistance Decade Boxes Surface and Volume Resistivity Measurements with optional Test Fixtures Simple Artifact Verification Procedure Ensures the 6535 Remains within Specifications...

Guildline’s 6564 High to Ultra-High Resistance Scanners are the first commercial scanners capable of operating with measurement capabilities to 10 PΩ’s and at voltages to 1000 Vdc. This capability greatly improves the measurement and calibration throughput of high and ultra-high ohm resistance measurements. Standard laboratories can easily and quickly automate measuring single or multiple resistance values. PRODUCT FEATURES Thermoelectric Potentials: < 20 nV Contact Life: 10,000,000 Cycles Withstands up to 1000 Vdc Providing Fully Automated Resistance Measurements Measurements from 100 kΩ to 10 PΩ with No Guarding Required Fully Automates Transfer or Bridge Measurements Very Low Leakage that Can be Easily Characterized Front Panel or Remote GPIB Control 2 Terminal Switching Matrix, 8 or 16 Channels 8 Channel is Upgradeable to 16 Channels N-Type Coaxial Terminals Front Panel Indication of Selected Channels...

Guildline Instruments 6622A Series has unique technology and provides the best in measurement uncertainties for Direct Current Comparator (DCC) Resistance Bridges. PRODUCT FEATURES Widest Available Range from 1 mΩ ~1 GΩ Best Accuracy: ± 0.015 ppm of Reading Modular Design, Expandable Capabilities, Complete Investment Protection Full 10.5 Digits (0.1 ppb) Display Resolution Unique Measurement Trending Display Provides Measurement Results on Display Change All Key Parameters “IN-REAL-TIME” While the Measurement is Running Internal Voltages up to 1000 Vdc Linearity: ± 0.01 ppm of Full Scale Resolution: ± 0.0001 ppm of Full Scale Temperature Option Available Wide Range of Ratios: 0.1:1 ~ 100:1 Extended Low End Range Down to 1 mΩ with Currents Up to 10,000 A Range Extenders in 150 A Increments with Built-In Power Supplies and Electronic Switching Fully Programmable IEEE 488.2 BridgeWorksTM Data Acquisition Software Unique Calibration Support Strategy Complete Measurement Systems Available...

Guildline’s 6623A Series of High Current Range Extenders / Sources is based on patented technology and provides the best in performance and modularity. The 6623A Series consists of a family of range extenders, with available current outputs from 3 A to 10,000 A. *Please contact Guildline Instruments for exact model manuals PRODUCT FEATURES Unique Guildline PATENTED Design Dual Design – Extender and Precision DC Source Includes Built-in Precision Current Source with Electronic Polarity Switching Linearity: ± 0.01 ppm of Full Scale Output Current Stability Typically < 10 ppm for 1000 A and Higher - Best in the World Advanced Modular Design, Over 64 Expandable Outputs in 150 A Increments to 10,000 A, Investment Protection Measures Resistances Down to 0.1 μΩ Automatic Control from 6622A Series Bridge Automatic Load Balancing NO External Power Supplies Required NO Need for any Mechanical Reversing Switches and Compressed Gas Unique USB Programmable Controller (model 66259) Allows 6623A to be Used as Stand-Alone Precision DC Current Source Safety (Fault) Protections in Place Complete Shunt Measurement Systems Available...

Guildline Instruments 6623A-PCS Series of DC Precision High Current Systems introduces new patented designs to provide the best uncertainties of any DC high current sources (i.e. typically < 5 ppm at 1000 A) and the best in modularity. *Please contact Guildline Instruments for exact model manuals. PRODUCT FEATURES Unique PATENTED Design Precision DC currents up to 10,000 Amperes Output Current Stability < 10 ppm for 1000 A and higher, Typically < 5 ppm Programmable from 66259 USB Controller, or from 6622A Series Bridges Modular Design, Expandable Capabilities in150 A Increments - Investment Protection Built-in Single-Source Output Current with Electronic Polarity Switching Eliminates Need for Mechanical Polarity Reversing Switches and Compressed Gas Linearity: ± 0.01 ppm of Full Scale Safety (Fault) Protections in Place Complete Measurement Systems Available Ideal for Calibrating DC Power Supplies and DC Shunts...

Guildline's 6624CT-3000 DC High Current Transformer provides very accurate DC current measurements up to 3000 Amperes. The direct current transformer is designed with an open window to pass a single cable, set of cables, or buss bar that carry the direct current to be measured. The 6624CT-3000 High Current DC Current Transformer produces an output current that varies directly with the input current in three ranges. PRODUCT FEATURES High Precision DC Current Measurements to 3000 Amperes Fixed Permanent Accuracy (Coil) Measurement Accuracies as Low as 10 ppm Stability Measurement as Low as 3 ppm All Cabling and Leads Included 3 Primary ranges (300, 1500 and 3000 Amperes) Compatible with Guildline Series of Precision Current Sources, or any Customer's Current Source Optional 66259 Provides Automation for Use with Guildline Precision Current Sources Prewired and Configured for Customers Nominal Power...

The 66252 DMM Switch is a unique option for 6625A Resistance Measurement Systems. This very high isolation switch allows the 6625A System Resistance Standards to be used for both Measurement and Source Applications without having to disconnect and reconnect wires. PRODUCT FEATURES Allows System’s Resistance Standards to Be Used as Resistance Sources Available In Bench Configurations (No Modification to Existing 6625A Systems) Usable Resistance Range 1Ω to 100 MΩ Input Impedance >1014 Use With Any Number of Scanners and Includes Scanner Low Thermal Short Includes Lead Compensation Procedures For Low Resistance Connection to Long Scale DMM’s...

Guildline Instruments 6625A is the only true modular Resistance and Current Measurement System providing users with unique industry leading features and capabilities. PRODUCT FEATURES Complete Turn-Key System – Fully Integrated, Wired, Tested and Ready-to-Use Widest Available Resistance Range from 1 μΩ ~1 GΩ with Internal Voltages to 1 kVdc Precision Current Sources / Range Extension from 3 A to 10,000 A with Built-In Precision Current Source and Electronic Switching Wide Range of Ratios: 0.1:1 ~ 100:1, and Up to 2,000,000:1 and More with Range Extension Full 10.5 Digits (0.1 ppb) Display Resolution Resolution: ± 0.1 ppb of Full Scale Unique Measurement Results and Trending Display Includes Manual and Automated Operation Modular Design, Expandable Capabilities, Investment Protection Change Key parameters “On-the-Fly” While Measurements are Running in Manual and Automated Modes Internal Temperature Bridge Option Available BridgeWorksTM Data Acquisition Software Unique Calibration Support Strategy...