• 7004T/7010T

  • Đăng ngày 04-07-2017 12:54:09 AM - 131 Lượt xem
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  • Transref 10-Volt DC Voltage Transfer System

    While Fluke's Nanoscan Volt Maintenance Systems are designed to sit permanently in your standards lab, the Model 7004T Transref provides a simple means of importing traceability from higher order standards laboratories. It can equally be used to export your 10-volt traceability to other labs.


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Simple means of importing traceability

While Fluke’s Nanoscan Volt Maintenance Systems are designed to sit permanently in your standards lab, the Model 7004T Transref provides a simple means of importing traceability from higher order standards laboratories. It can equally be used to export your 10-Volt traceability to other labs.

Safely transportable

Safely stowed in its ruggedized transit case, the Model 7004T allows up to four Model 7000 reference modules to travel, without fear of mechanical damage or undetected exposure to temperature extremes.

During transportation, each reference module remains powered either from its internal battery pack or from a 12-Volt DC supply (e.g. vehicle cigar lighter socket).

The Transref isn’t solely reliant on its batteries or an external DC supply. Even if the batteries become exhausted and the unit is subjected to temperatures down to -5°C, a patented zener reference conditioning technique ensures that each reference will typically return to within ±0.2 ppm of its previous values when the Transref unit is re-powered. A temperature monitor in the transit case alerts you to the maximum and minimum temperatures experienced during shipment

Low-noise low-drift output

The 10-Volt Average output on the Transref provides a low-noise low-drift output that can be used for importing/exporting traceability or as a means of checking the unit’s stability on its return to your standards lab.

Interface directly to the Nanoscan unit

However, if you’re importing or exporting traceability to or from a Fluke Nanoscan system, the Transref can be interfaced directly to the Nanoscan unit so that its reference modules are included in Nanoscan scan measurement sequence. This allows the associated 7050 Volt Maintenance Software to maintain as comprehensive a history on the Transref as it does on your Nanoscan system.

Permanent extension chassis for Nanoscan system

The Model 7004T Transref, or its ten reference equivalent the Model 7010T, can also be used as a permanent extension chassis for a Nanoscan system, increasing the maximum number of internal reference modules it can accommodate to 20.

10V Output
Stability
7004T:  90 days: 0.8ppm
   1 year: 1.2ppm
7010T:  90 days: 0.7ppm
   1 year: 1.0ppm
Predictability
7004T:  ±0.2 ppm/year typicalAfter 5 points, 3 mo. apart
7010T:  ±0.1 ppm/year typical
   After 5 points, 3 months apart
Temperature Coefficient (15 - 35°C)
7004T:  < 0.03 ppm/°
7010T:  < 0.02 ppm/°
Noise (rms)
7004T:  0.05 to 10Hz: < 0.05 ppm RMS
   Standard deviation of 90 day regression: < 0.06 ppm
7010T:  0.01 to 10Hz: < 0.03 ppm RMS
   Standard deviation of 90 day regression: < 0.04 ppm
Hysteresis recovery
7004T:  < 0.1 ppm (after conditioning cycle and battery discharge)
7010T:  < 0.07 ppm
   (after battery discharge)
Output Resistance
   7004N/7010N: 500/n Ohm
   Where n = number of modules fitted

 

Battery
Type
   NiMH
Backup Period
   16 hrs from fully charged
Recharge time (typical)
   2 hours
Half Life
   5 yrs

 

Environment
Temperature
Operating:  +15°C to 35°C
Transit:  -18°C to 45°C
Warm-up period:  0 min to ±0.2 ppm 2 hours to final value

 

General Specifications
Power, battery life
7004T:  < 6W
7010T:  < 12W
12V DC Connection
   Yes
Dimensions
7004T:  133 x 449 x 355 mm
   (5.24 x 17.68 x 13.19 inch)
7010T:  265 x 449 x 355 mm
   (10.43 x 17.68 x 13.19 inch)
Weight
7004T:  9.6kg (21.2Ibs)
7010T:  20kg (44.1Ibs)
Safety
   UL3111, CE marked
   EN61010-1-1:1993/A2:1995
   CETL

 

 Từ khóa: 7004T/7010T, 7004T, 7010T
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