Direct Current Comparator Resistance Bridges Series 6622A
Widest Available Range from 1 mΩ ~1 GΩ
Best Accuracy: ± 0.015 ppm of Reading
Modular Design, Expandable Capabilities, Complete Investment Protection
Wide Range of Ratios: 0.1:1 ~ 100:1
Electrical Metrology
Resistance Standards
Range : 100 µΩ to 10 PΩ
Accuracy: As low as 2 PPM
Stability: < 1 PPM per year
Capacitance Standards
Range : 1 pF to 10,000 µF
Accuracy: As Good as 5 PPM
Stability: < 1 PPM per year
Inductance Standards
Range : 1 µH to 10H
Accuracy: As Good as 0.1% !
Stability: < 0.01% per year
Decade Resistance Boxes
Range : 1 µ to 11 TΩ
Accuracy: As low as 20 PPM
Stability: < 5 PPM per year
Decade Capacitance Boxes
Range : 1 pF to 10,000 µF
Accuracy: As Good as 0.05%
Stability: < 0.02% per year
Decade Inductance Boxes
Range : 1 µH to 11H
Accuracy: As Good as 0.8% !
Stability: As low as 0.5% per year
Precision DC Current Shunts Model 9230A
Series Ranges from 10 A to 10,000 A
3 Point Current Calibration Provided
< 10 ppm Long Term Stability
Extremely Low Self-Heating Effects
Transconductance Amplifier Model 7810
100 A Model!
Calibrated Frequency Range (DC to 100 kHz)!
Uncalibrated 100 kHz to 2 MHz!
High 9 V Voltage Compliance!
Unique Touch Screen Interface and Embedded Windows Computer!
7520 Precision Automated DC Voltage Divider
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Sub ppm ratio Uncertainties
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Automated Self-Alignment (i.e. Self Calibration)
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No External Standards required for Self-Alignment
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Wider voltages range from 1:1 to 1000:1 & Reverse
Input voltage range from 1 to 1100 volts
1422 SERIES VARIABLE AIR CAPACITORS
Range as low as 0.002 pF and as high as 1150 pF (Depending on Model)
Stability: better than 0.02% full scale per year
Settable to 40 ppm
Low temperature coefficient, low losses
HARS SERIES RESISTANCE DECADE BOX
Resistance from 1 mΩ to 111 MΩ
Available in double-power version: HARS-X2
Wide choice: single through 11 decade units
High accuracy – 0.01% (100 ppm) or 0.1% depending on model
HRRS-5 KV & 10 KV SERIES -
HIGH RESISTANCE DECADE BOX
Choose from units with a max. resistance of 1 GΩ, 10 GΩ, 10 GΩ, 1TΩ or 11 TΩ
Units use the most stable and accurate resistors and custom high voltage switches
Maximum Voltages of 5000 V or 10,000 V. For 2000 V, consider the standard HRRS Series
Used for calibration of Meggers and sourcing out precision high resistance.
HACS-Z SERIES HIGH ACCURACY DECADE CAPACITANCE BOX
Range from 1 pF to 11,111 µF
High accuracy of 0.05% + 0.5 pF
Units available with as few as 3 and as many as 11 decades
Excellent Stability 100 ppm per year
3-Terminal shielded construction
PRS-330/370 World's Most Precise Programmable Resistance Box & RTD Simulator
Resistance range: 0.1 Ω to 20 MΩ with a Resolution of 1 μΩ or 6 digits
Lab grade accuracy (70 ppm + 1 mΩ): 1.5 times better than conventual manual decade resistors
Large color touchscreen, soft keys and intuitive interface promotes little to no training
1888 MEGOHMMETER/
HIGH RESISTANCE METER
Measurements from 1 kΩ to 1000 TΩ, with auto ranging
0.3% measurement accuracy
Large color touchscreen and intuitive graphical user interface
Programmable test voltage from 1 to 1000 Vdc
Automatic test lead zeroing to eliminate connection errors
Standard GPIB, Ethernet and USB interfaces
IET/QUADTECH 1910/1920 1 MHZ LCR METER
20 Hz to 1 MHz frequency range 27,000 possible frequency
0.1% basic measurement accuracy
Measures 15 impedance parameters, dc resistance, voltage and current
IEEE-488.2,RS-232, handler, and serial printer interfaces all standard
Wide measurement range with 5 digit measurement resolution
Four-terminal Kelvin connections to maintain measurement integrity
GENRAD 1693 PRECISION LCR METER
The World’s standard for ac resistance, low frequency inductance and Capacitance measurement in a metrology environment
0.02% measurement accuracy and +/- 0.0001 Df
Programmable frequency 12 Hz – 200 kHz
Extremely reliable can last up to 30+ years
IET 7660 PRECISION LCR METER
Ultra Precision – 0.05% basic measurement accuracy
Programmable frequencies from 10 Hz to 2 MHz
Standard USB-Type B, RS-232, GPIB and LAN Interfaces
Measures 14 impedance parameters (2 simultaneously)
Humidity Metrology
Reference Chilled Mirror Hygrometer Model 373
Wide measuring range -95 to +95 ̊C frost/dew point
Dual mirror temperature sensors
Frost/Dew Point Accuracy: ≤ ± 0.1 °C
High pressures up to 20000 kPa
Touch screen full color LCD user interface
973-SF6 Analyzer
Best accuracy: Frost/Dew Point: ± 0.5°C , Volume SF6: ± 0.5%, SO2: 2% of range
The 973-SF6 chilled mirror technology relies on the drift-free physical principles of condensation
Gas containment system with automatic pump back with No gas loss
User Verifiable Calibration
Lower Cost of Owner ship
Model 2900 Automated Humidity Generation System
0.5% of Reading RH Uncertainty
Relative Humidity Range: 10 to 98%
Temperature Range: -10 to 72°C
Generate: RH, DP, FP, PPM, Multipoint Profiles
Multi-point Touch LCD
High Flow Capability of 50 L/min
Model 3920 Automated Low Humidity Generation System
Based on NIST Proven “Two-Pressure” Principle
Relative Humidity Range: 0.00003% to ~50%
Frost/Dew Point Temperature Range: -95 to 10°C
Generate: RH, DP, FP, PPM, Multipoint Profiles
10.1 “Multi-point Touch LCD
High Flow Capability of 10 L/min
Temperature Metrology
PT12 Precision Thermometer
Twelve channel temperature measurement
High precision, stability and repeatability
Internal temperature compensated high stability reference resistors
PC software for easy GUI or command line system control and data acquisition
Simple to setup, configure and use
Touchscreen user interface with graphing
Supports THERMOtelligent 100 Ω and 25.5 Ω Smart 4-wire PRTs
AM8060 Precision Thermometer
Accuracy up to ±0.008°C
Resolution of 0.001°C
Temperature Range -260°C to 850°C
Dual Channels
Data storage into USB flash drive as easy as plug-and-record
AM1860/AM1850 Metal-Sheath SPRTs
Competitive pricing
Inconel™ sheath provides durability
AM1860 Temperature Range: -200°C to 670°C
AM1850 Temperature Range: -200°C to 500°C
W(Ga) ≥ 1.11807
W(Hg) ≤ 0.844235
Fully meets the ITS-90 criteria for standard thermometers
AM1762/1760 Secondary SPRTs
Reliable SPRT for daily use
Rtpw Drift: <4mK after 100hrs at 661°C
Short-term stability: <0.002°C at 0.01°C
Temperature Range: -200°C to 670°C
Inconel™ sheath to withstand harsh environments
Fully meets the ITS-90 criteria for reference thermometers
OCEANOGRAPHY
Autosal Salinometer 8400B
Word’s only trusted and most accurate standard instrument for measuring salinity.
Accuracy <0.002 Salinity
Range 2 to 42 in Salinity
Improved temperature stability
No temperature compensation required
Small samples & rapid measurements
Portasal Salinometer 8410A
Accuracy < 0.003 Salinity
Completely Portable with Laboratory Accuracy
Direct Calculation of Salinity
Rugged, Compact Enclosure
Small 100 ml Samples and Rapid Measurements
Easy to Set Up and Operate
Expanded Temperature Range of 15 °C to 38 °C
Microprocessor Controlled with RS-232 and IEEE