| 1. |
Digital Multimeter |
£9.50 |
| Hewlett Packard 34401A 6 ½ Digit |
 |
| Ranges |
:DC 100nV to 1000V ; 10nA to 3 Amps |
| :AC 100nV to 750V ; 1μA to 3 Amps true rms. |
| :0hms 100μΩ to 1000MΩ |
| :AC ranges frequency 3Hz to 300kHz |
| :Frequency measurement & math functions. |
| Accuracy |
:See user's guide |
| Mains Operated fitted with IEEE 488 interface |
|
| 2. |
Frequency / Period Counter |
£10.00 |
| Hewlett Packard 53131A Universal Counter |
 |
| 2 channel, universal period / frequency counter. 10 Digit LED display. |
| Power Supply |
:88 / 269 Vrms, 45 - 66 Hz auto selected |
| Range DC |
:0.1 to 225 MHz |
| Freq. Resolution |
:10 Digits per second |
| Time Interval Res. |
:500psec. (Single Shot) |
|
| 3. |
Frequency Synthesiser |
£8.00 |
| Spectra-Tek H213 |
 |
| Simulates frequency domain transducers, such as vibrating cylinder densitometers. High quality crystal oscillator generates an output signal set by six (6) decade thumb wheels on front panel. |
| Power Supply |
:Mains 110 / 240 VAC 50 / 60 Hz |
| :Battery (2 hours) |
| Ranges |
:100ns, 10ns, 1nsec |
| Settings |
:Minimum 00000.2μsec |
| :Maximum 9999.9 μsec (Direct Mode) |
| Period Stability |
:3ppm over eight (8) hours |
|
| 4. |
Dual Pulse Generator |
£8.00 |
| Spectra-Tek H212 |
 |
| Generates a variable frequency pair of pulse trains which can represent the outputs of a flowmeter. A voltage controlled oscillator whose frequency is adjusted by a ten (10) turn potentiometer, the number of pulses is set by the five (5) decade thumb wheels on the front panel. |
| Power Supply |
:Mains 110 / 240 VAC 50 / 60 Hz |
| :Battery (2 hours) |
| Ranges |
:0.5 Hz to 4kHz |
|
| 5. |
Decade Resistance Box |
£3.00 |
| Cropico RBB6 |
|
| Six (6) Dial decade box |
| Range |
:1.0Ω to 112.111Ω |
| Resolution |
:0.0001Ω |
| Uncertainty |
:0.05% |
|
| 6. |
DC Resistance Standard |
£3.00 |
| Cropico RS3/50 |
 |
| Range |
:50Ω |
| Maximum Current |
:1 Amp (0.05 Watts in Air) |
| Uncertainty |
:0.005% |
| Typical Temp. Coeff. 15˚ to 25˚C |
:<5ppm/˚C |
|
| 7. |
Digital Thermometer (Intrinsically Safe) |
|
| 7.7.1 - AWR Hand Held Precision Thermometer ATI200.IS. |
£9.50 |
| Intrinsically safe hand held thermometer, 3 ½ digit LCD display, battery powered. C/w a four wire Grade 'A' platinum resistance probe ACP100/0.3. Certified by BASEEFA for use in Zone '0' hazardous areas. |
|
| Range |
:-199.9˚C to +199.9˚C |
| Resolution |
:0.1˚C |
| Accuracy |
:±0.1˚C |
| 7.7.2 - AWR Platinum Resistance Probe (Additional) |
£3.50 |
| Four wire Grade 'A' platinum resistance probe ACP100/03 |
|
| 7.7.3 - AWR Multi-Way Selector Switch |
£4.50 |
| Two way selector switch allows two platinum resistance probes to be connected to a single ATI200.IS thermometer, c/w additional probe |
|
|
| 8. |
Deadweight Testers |
| 7.8.1 - Budenberg 249T Differential Air Deadweight Tester |
£120.00 |
| High static defferential deadweight tester |
 |
| Range differential pressure |
:2.5 to 1000 mbar |
| Static pressure |
:Up to 200 bar |
| Accuracy |
:±0.05% over main range |
| :±0.1% at lower range |
| 7.8.2 - Budenberg 380H Deadweight Tester |
£17.50 |
| High range Dead-weight, utilising a combined high and low range piston unit |
|
| Range |
:10 to 16000 psig |
| :1 to 1200 bar |
| Accuracy |
:±0.05% |
| 7.8.3 - Stainless Steel Weights |
£4.50 |
| Fine increment weights for 380H Dead-weight Tester, bar or psi |
|
| 7.8.4 - Budenberg 241 Deadweight Tester |
£12.50 |
| Air operated Dead-weight, used to calibrate instruments which must be kept free of oil |
|
| Range |
:10 to 500 psig |
| Accuracy |
:±0.04% |
| 7.8.5 - Budenberg 239P Deadweight Tester |
£14.00 |
| Low pressure Dead-weight tester, air operated via integral hand pump |
|
| Range |
:15 to 1000 mbar |
| Accuracy |
:±0.05% over main range |
| :±0.1% at lower range |
