Curtis 908 Operating Instructions Manual

MODEL 908

“Fuel” Gauge

Read Instructions Carefully!

CURTIS INSTRUMENTS, INC.

200 Kisco Ave.

Mount Kisco, New York 10549

914-666-2971

www.curtisinstruments.com

53051 Rev C 9/15

TABLE OF CONTENTS

1. Model Encodement 2

2. Technical Specifications

2.1 Electrical 6

2.2 Mechanical 8

2.3 Environmental 9

3. Installation 10

4. Operation

4.1 Display 15

4.2 Reset Type/Level 16

5. Troubleshooting 17

6. Maintenance 18

7. Warranty 19

SAFETY INSTRUCTIONS

This instrument was manufactured and tested according to the
applicable technical standards. It complies with all the safety
regulations as shipped from the factory.

Installation and startup must be performed by skilled person­nel.

Failure to install and operate the unit in accordance with these
instructions may result in damage or injury.

If safe operation of the instrument can no longer be ensured,
stop and secure it against accidental operation.

If instrument failure or malfunction may cause personal injury
or material damage, use additional safety measures such as
limit switches, guards, etc.

Read the Operating Instructions carefully before startup.

Note the safety instructions marked with this
warning symbol in this manual!

2 3

Example: Model 908 R 2448 D P J A O

Case Style

Voltage

Reset

Discharge

Output

Special

Options

1 3 5

2 4 6

Artwork

7

Case Style Options:

R = Round (52mm)

1

Voltage Options:

2

Reset Profile Options

3

1. MODEL ENCODEMENT

Single Dual

12 24/36

24 24/48

36 36/48

48 72/80

72

80

Letter

Code

Volts per Cell

Open Circuit

Reset

Charge

Tracking

Reset Full

Charge

Tracking

Reset

Empty

B 2.090 2.35 2.10

C 2.135 2.400 2.10

D 2.060 2.32 2.10

G 2.090 2.40 2.10

K 1.928 2.167 2.10

N 1.980 2.230 2.10

T 2.028 2.28 2.10

Y 2.083 2.167 2.10

4 5

Discharge Profile Options

4

Letter Code Logo

O Curtis
N None

Special Options

A = (TBD)

Output Options

5

6

Artwork Options

7

Letter Code

Volts per Cell

Full Empty

G 1.97 1.75
H 1.97 1.70

J 1.97 1.63

K 2.01 1.65

L 2.10 1.92

M 2.00 1.83

N 2.04 1.73

O 2.08 1.88

P 2.08 1.98

Q 2.10 1.88

R 2.02 1.90
S 2.08 1.85

T 2.03 1.90

V 1.98 1.85

W 2.02 1.85

X 1.95 1.75
Y 2.00 1.90
Z 2.04 1.82

Letter

Code

Relay Contact Rating

J Holding

3 Amps when continuously closed,

1 Amp when opening

K N.C. 1 Amp

Y N.O. 1 Amp