Technical specifications – Thermo Fisher Scientific Alpha pH 100 User Manual

Page 27

Advertising
background image

26

8. Technical Specifications

pH Range

0.0 to 14.0 pH

Resolution

0.1 pH

Relative Accuracy

+/- 0.1 pH

mV Range

-1250 to +1250 mV

Resolution

10 mV

Relative Accuracy

+/- 10 mV

Temperature
Compensation

Automatic / Manual (0 to 100.0

o

C)

Temperature

0 to 100

o

C

Resolution

0.1

o

C

Relative Accuracy

+/- 0.5

o

C

Sensor

PT 100

Calibration

Push-bush 1 to 3 points

Calibration Options

pH 4.0, 7.0 and 10.0

Output

4-20 mA, screw terminals (non-isolated);

Max. load 200

Display

LED, 3 digits

Inputs

BNC, screw terminals

Input Impedance

10 ^ 12

Input Bias Current

50 pA max. at 25

o

C

Recommended Input
Cable Length

Less than 5 meters

Relays
No. Of Relays
Maximum Voltage
Maximum Current
High Hys. Band
Low Hys. Band

2 - High set & Low set SPDT

240 VAC

3A

0.2 to 2.0 pH or 20 to 200 mV
0.2 to 2.0 pH or 20 to 200 mV

Power Requirements

110 VAC or 220 VAC (Jumper selectable)

Environmental
Requirements
Operating
Storage
Humidity Limits

0 to 50

o

C

-10 to 60

o

C

10 to 95% RH (non condensing)

Storage Temp. Range

0 to 50

o

C

Dimensions

1/8 DIN size; 96 (L) x 48 (H) mm (Front panel)

Advertising