product image) Owner's manual

- 32 -
6 TECHNICAL SPECIFICATIONS
General Specification
(a) pH
pH Measuring Range 0.00 to 14.00 pH
Resolution 0.01 pH
Accuracy ± 0.01 pH
(b) mV
mV Measuring Range -1000 to 1000 mV
Resolution 1 mV
Accuracy ± 1 mV
(c) Temperature
Temperature measuring range -10.0 to +110.0
o
C or +14.0 to +230.0
o
F
Resolution 0.1
o
C or 0.1
o
F
Relative accuracy 0.5
o
C or 1.0
o
F
Sensor 3 wire / 2 wire – Pt100 or Pt1000 (Jumper Selectable)
Compensation Automatic or Manual
Calibration Point
(a) pH
Number of calibration points
Number of calibration buffers
1 or 2 points
USA: 4.01, 7.00, 10.01
NIST: 4.01, 6.86, 9.18
(c) Temperature
Offset Adjustment ±10 ˚C/ ±18 ˚F
Input / Output
Input Asymmetrical / Symmetrical
Output UART Serial Comm. Output for the RF RX/TX Board:
Protocol : 8-N-1
Data rate: 9,600 kbps
Display
LCD UV coat, Custom Dual segments display with symbols
for Status information.
Back light On/Off selectable
Electrical data and Connections
pH/mV Input 8-pin Screw Terminal (3.5mm pitch)
Temperature Input 8-pin Screw Terminal (3.5mm pitch)
Power Phone Jack DC Socket
RF Communication Specifications
Transmission Method TDMA, FSK Modulation
Frequency 923 to 928 MHZ, ISM Band Region 2
Air Baud Rate 16 Kbit/S
Range Single Unit 100 m (328 ft) (in open air)
RF Power +5 dB
Antenna Internal diversity antenna
Network Model Mesh
Operating Temperature -10 to 65 °C
Others
Power Input +9 V DC
Pollution Degree 2
Dimensions (W x H x D) 96mm x 96mm x 66 mm
Weight (Estimated) 210g
Ambient Temp. operating range 0 to 40
o
C
Maximum Relative Humidity 80% up to 31
o
C decreasing linearly to 50% at 40
o
C
Ingress Protection IP65