Sper scientific 840064 Bedienungsanleitung

Vacuum Meter

840064

Instruction Manual

2 3

TABLE OF CONTENTS

1. INTRODUCTION ...................................2

2. METER DESCRIPTION ..............................3

3. OPERATING INSTRUCTIONS

3-A PRECAUTIONS - READ BEFORE FIRST USE .........4

3-B MEASUREMENT PROCEDURE ....................4

3-C HOLD .........................................4

3-D RECORD, MAXIMUM, MINIMUM ...................5

4. BATTERY REPLACEMENT ...........................5

6. SPECIFICATIONS ..................................6

7. WARRANTY ......................................8

INTRODUCTION

Portable meter for absolute vacuum pressure measurements in

hospital labs, crystal growing, solvent recovery, distillation, and

rotary evaporation. Also used in HVAC, automotive and other

industrial applications. Includes a detachable heavy-duty probe

with ¼ PS connector for liquid, air, oil and gas.

Features a large display, min-max, hold, low battery indicator,

auto power o󰀨, and 8 units of measure: torr, mm Hg, micron, mbar,

KPa, PA, inch Hg, and PSI.

Comes ready to use in a foam-lined, hard-shell carrying case, with

9V battery and instructions.

POWER HOLD

MAX/MIN UNIT

Unit:

mmHg mbar inch Hg psi

torr

(t orr)

micron

(uH9)

kpa

(- -PA)

(PA )

SPER

SCIENTIFIC

840064

VACUUM METER

METER DESCRIPTION

1. Power Button 6. Unit Button

2. Max/Min Button 7. Battery Compartment (back)

3. Input Socket 8. Sensor Input

4. Display 9. Sensor Body

5. Hold 10. Probe Plug

4 5

OPERATING INSTRUCTIONS

3-A. Precautions - Read Before First Use

• Do not insert objects into the Sensor Input (9) or the diaphragm

can be damaged and the warranty voided.

• The sensor is compatible with industrial gases and liquids that

are also compatible with ceramic material.

• The sensor must be attached to the meter in order to display

the ambient barometric pressure (in/Hg). Otherwise, “0” will

be displayed.

3-B. General Measurement - See page 7 for range, resolution

and accuracy specications.

• Connect the Probe Plug (11) to the meter’s Input Socket (4).

• Remove the protective cap and connect the threaded Sensor

Input (9) to the vacuum source to be measured.

• Press the Power (2) button to turn on the meter.

• Press the Unit (7) button to select one of the eight units of

measure: torr, mm Hg, micron (uH9), mbar, KPa (- - PA), PA,

inch Hg (in/Hg), or PSI.

• The measurement will appear on the Display (5).

• This meter has an automatic shut o󰀨 function in order to prolong

battery life. After approximately 10 minutes without activity (no

buttons pushed), the meter will automatically shut o󰀨. To disable

this feature, press the MAX/MIN (3) button once during

measurement. “REC” will be displayed.

• Press the POWER (2) button to manually turn the meter o󰀨.

3-C. Hold

• During the measurement procedure, press the HOLD (6) button

to freeze the current measurement.

• “HOLD” and the measured value are displayed.

• Press the HOLD (6) button again to exit this function.

3-D. Record, Maximum, Minimum

• Press the MAX/MIN (3) button once to enter the recording mode.

• “REC” and the recorded values are displayed and

continuously updated.

• Press the MAX/MIN (3) button as needed to view the recorded Max

and Min values. “REC”, “Max” and the maximum recorded value or

“REC”, “Min” and the minimum recorded value are displayed.

• To exit the this function, press and hold the MAX/MIN (3) button

for about 2 seconds, the display reverts to the current reading.

4. BATTERY REPLACEMENT

• Replace the battery when the low battery icon is displayed.

• In-spec measurements may be made for several hours after the

low battery indicator appears.

• Use a small screwdriver to gently pry o󰀨 the BATTERY COVER (8).

• Replace the battery with a fresh 9V battery (alkaline or heavy duty).

6 7

SPECIFICATIONS

Unit Range Resolution Accuracy

mbar 0 to 1500 mbar 1 mbar

± 1% Full Scale

(at 23°C ±5°C)

including linearity,

hysteresis and

repeatability

Kpa 0 to 150.0 Kpa 0.1 Kpa

Pa 0 to 150,000 Pa 100 Pa

torr 0 to 1125 torr 1 torr

mm Hg 0 to 1125 mm Hg 1 mm Hg

micron 0 to 1,125,000 micron 1000 micron

In Hg 0 to 44.30 inch Hg 0.02 inch Hg

PSI 0 to 21.75 psi 0.01 psi

Dimension Meter: 7 × 3 × 1 ½” (180 × 75 × 35 mm)

Probe cord: 49” (125 cm)

Display 61 mm x 34 mm super large LCD display.

15 mm (0.6”) digit size

Weight Meter with battery: 8 oz (220 g)

Probe: 6 oz (170 g)

Sampling

Time

Approx. 0.8 second

Operating

Environment

32 to 122°F (0to50°C), less than 80% rh

Power

Consumption

Approx. DC 6 mA

Circuit Exclusive microcomputer circuit

Optional

Accessories

840090 Water Resistant Instrument Pouch

PB8

WARRANTY

Sper Scientic warrants this product against defects in materials

and workmanship for a period of one (1) years from the date

of purchase, and agrees to repair or replace any defective unit

without charge. If your model has since been discontinued, an

equivalent Sper Scientic product will be substituted if available.

This warranty does not cover probes, batteries, battery leakage,

or damage resulting from accident, tampering, misuse, or abuse of

the product. Opening the meter to expose its electronics will break

the waterproof seal and void the warranty.

To obtain warranty service, ship the unit postage prepaid to:

SPER SCIENTIFIC LTD.

8281 East Evans Road, Suite #103

Scottsdale, AZ 85260

The defective unit must be accompanied by a description of the

problem and your return address. Register your product online at

www.sperwarranty.com within 10 days of purchase.

Rev 3/8/2018

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